diff options
150 files changed, 3375 insertions, 2297 deletions
@@ -532,8 +532,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) endif # Force gcc to behave correct even for buggy distributions -# Arch Makefiles may override this setting +ifndef CONFIG_CC_STACKPROTECTOR KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) +endif ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls diff --git a/arch/alpha/include/asm/statfs.h b/arch/alpha/include/asm/statfs.h index de35cd4..ccd2e18 100644 --- a/arch/alpha/include/asm/statfs.h +++ b/arch/alpha/include/asm/statfs.h @@ -1,6 +1,8 @@ #ifndef _ALPHA_STATFS_H #define _ALPHA_STATFS_H +#include <linux/types.h> + /* Alpha is the only 64-bit platform with 32-bit statfs. And doesn't even seem to implement statfs64 */ #define __statfs_word __u32 diff --git a/arch/alpha/include/asm/swab.h b/arch/alpha/include/asm/swab.h index 68e7089..4d682b1 100644 --- a/arch/alpha/include/asm/swab.h +++ b/arch/alpha/include/asm/swab.h @@ -1,7 +1,7 @@ #ifndef _ALPHA_SWAB_H #define _ALPHA_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #include <linux/compiler.h> #include <asm/compiler.h> diff --git a/arch/arm/include/asm/a.out.h b/arch/arm/include/asm/a.out.h index 79489fd..083894b 100644 --- a/arch/arm/include/asm/a.out.h +++ b/arch/arm/include/asm/a.out.h @@ -2,7 +2,7 @@ #define __ARM_A_OUT_H__ #include <linux/personality.h> -#include <asm/types.h> +#include <linux/types.h> struct exec { diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index f2cd18a..ee1304f 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -14,7 +14,7 @@ #ifndef __ASMARM_SETUP_H #define __ASMARM_SETUP_H -#include <asm/types.h> +#include <linux/types.h> #define COMMAND_LINE_SIZE 1024 diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h index 27a689b..ca2bf2f 100644 --- a/arch/arm/include/asm/swab.h +++ b/arch/arm/include/asm/swab.h @@ -16,7 +16,7 @@ #define __ASM_ARM_SWAB_H #include <linux/compiler.h> -#include <asm/types.h> +#include <linux/types.h> #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __SWAB_64_THRU_32__ diff --git a/arch/avr32/include/asm/swab.h b/arch/avr32/include/asm/swab.h index a14aa5b..14cc737 100644 --- a/arch/avr32/include/asm/swab.h +++ b/arch/avr32/include/asm/swab.h @@ -4,7 +4,7 @@ #ifndef __ASM_AVR32_SWAB_H #define __ASM_AVR32_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #include <linux/compiler.h> #define __SWAB_64_THRU_32__ diff --git a/arch/blackfin/include/asm/swab.h b/arch/blackfin/include/asm/swab.h index 69a051b..6403ad2 100644 --- a/arch/blackfin/include/asm/swab.h +++ b/arch/blackfin/include/asm/swab.h @@ -1,7 +1,7 @@ #ifndef _BLACKFIN_SWAB_H #define _BLACKFIN_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #include <linux/compiler.h> #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) diff --git a/arch/h8300/include/asm/swab.h b/arch/h8300/include/asm/swab.h index c108f39..39abbf5 100644 --- a/arch/h8300/include/asm/swab.h +++ b/arch/h8300/include/asm/swab.h @@ -1,7 +1,7 @@ #ifndef _H8300_SWAB_H #define _H8300_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __SWAB_64_THRU_32__ diff --git a/arch/ia64/include/asm/fpu.h b/arch/ia64/include/asm/fpu.h index 3859558..0c26157 100644 --- a/arch/ia64/include/asm/fpu.h +++ b/arch/ia64/include/asm/fpu.h @@ -6,8 +6,6 @@ * David Mosberger-Tang <davidm@hpl.hp.com> */ -#include <asm/types.h> - /* floating point status register: */ #define FPSR_TRAP_VD (1 << 0) /* invalid op trap disabled */ #define FPSR_TRAP_DD (1 << 1) /* denormal trap disabled */ diff --git a/arch/ia64/include/asm/gcc_intrin.h b/arch/ia64/include/asm/gcc_intrin.h index 0f5b559..c2c5fd8 100644 --- a/arch/ia64/include/asm/gcc_intrin.h +++ b/arch/ia64/include/asm/gcc_intrin.h @@ -6,6 +6,7 @@ * Copyright (C) 2002,2003 Suresh Siddha <suresh.b.siddha@intel.com> */ +#include <linux/types.h> #include <linux/compiler.h> /* define this macro to get some asm stmts included in 'c' files */ diff --git a/arch/ia64/include/asm/intrinsics.h b/arch/ia64/include/asm/intrinsics.h index a3e44a5..c47830e 100644 --- a/arch/ia64/include/asm/intrinsics.h +++ b/arch/ia64/include/asm/intrinsics.h @@ -10,6 +10,7 @@ #ifndef __ASSEMBLY__ +#include <linux/types.h> /* include compiler specific intrinsics */ #include <asm/ia64regs.h> #ifdef __INTEL_COMPILER diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h index 68aa6da..116761c 100644 --- a/arch/ia64/include/asm/kvm.h +++ b/arch/ia64/include/asm/kvm.h @@ -21,8 +21,7 @@ * */ -#include <asm/types.h> - +#include <linux/types.h> #include <linux/ioctl.h> /* Architectural interrupt line count. */ diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h index 77f30b6..30cf465 100644 --- a/arch/ia64/include/asm/percpu.h +++ b/arch/ia64/include/asm/percpu.h @@ -27,12 +27,12 @@ extern void *per_cpu_init(void); #else /* ! SMP */ -#define PER_CPU_ATTRIBUTES __attribute__((__section__(".data.percpu"))) - #define per_cpu_init() (__phys_per_cpu_start) #endif /* SMP */ +#define PER_CPU_BASE_SECTION ".data.percpu" + /* * Be extremely careful when taking the address of this variable! Due to virtual * remapping, it is different from the canonical address returned by __get_cpu_var(var)! diff --git a/arch/ia64/include/asm/swab.h b/arch/ia64/include/asm/swab.h index 6aa58b6..c89a8cb 100644 --- a/arch/ia64/include/asm/swab.h +++ b/arch/ia64/include/asm/swab.h @@ -6,7 +6,7 @@ * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co. */ -#include <asm/types.h> +#include <linux/types.h> #include <asm/intrinsics.h> #include <linux/compiler.h> diff --git a/arch/ia64/include/asm/uv/uv.h b/arch/ia64/include/asm/uv/uv.h new file mode 100644 index 0000000..61b5bdf --- /dev/null +++ b/arch/ia64/include/asm/uv/uv.h @@ -0,0 +1,13 @@ +#ifndef _ASM_IA64_UV_UV_H +#define _ASM_IA64_UV_UV_H + +#include <asm/system.h> +#include <asm/sn/simulator.h> + +static inline int is_uv_system(void) +{ + /* temporary support for running on hardware simulator */ + return IS_MEDUSA() || ia64_platform_is("uv"); +} + +#endif /* _ASM_IA64_UV_UV_H */ diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index d541671..bdef2ce 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -199,6 +199,10 @@ char *__init __acpi_map_table(unsigned long phys_addr, unsigned long size) return __va(phys_addr); } +void __init __acpi_unmap_table(char *map, unsigned long size) +{ +} + /* -------------------------------------------------------------------------- Boot-time Table Parsing -------------------------------------------------------------------------- */ diff --git a/arch/mips/include/asm/sigcontext.h b/arch/mips/include/asm/sigcontext.h index 9ce0607..9e89cf9 100644 --- a/arch/mips/include/asm/sigcontext.h +++ b/arch/mips/include/asm/sigcontext.h @@ -9,6 +9,7 @@ #ifndef _ASM_SIGCONTEXT_H #define _ASM_SIGCONTEXT_H +#include <linux/types.h> #include <asm/sgidefs.h> #if _MIPS_SIM == _MIPS_SIM_ABI32 diff --git a/arch/mips/include/asm/swab.h b/arch/mips/include/asm/swab.h index 88f1f7d..99993c0 100644 --- a/arch/mips/include/asm/swab.h +++ b/arch/mips/include/asm/swab.h @@ -9,7 +9,7 @@ #define _ASM_SWAB_H #include <linux/compiler.h> -#include <asm/types.h> +#include <linux/types.h> #define __SWAB_64_THRU_32__ diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h index c584b00..430f1ae 100644 --- a/arch/parisc/include/asm/pdc.h +++ b/arch/parisc/include/asm/pdc.h @@ -336,10 +336,11 @@ #define NUM_PDC_RESULT 32 #if !defined(__ASSEMBLY__) -#ifdef __KERNEL__ #include <linux/types.h> +#ifdef __KERNEL__ + extern int pdc_type; /* Values for pdc_type */ diff --git a/arch/parisc/include/asm/swab.h b/arch/parisc/include/asm/swab.h index 3ff16c5..e78403b 100644 --- a/arch/parisc/include/asm/swab.h +++ b/arch/parisc/include/asm/swab.h @@ -1,7 +1,7 @@ #ifndef _PARISC_SWAB_H #define _PARISC_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #include <linux/compiler.h> #define __SWAB_64_THRU_32__ diff --git a/arch/powerpc/include/asm/bootx.h b/arch/powerpc/include/asm/bootx.h index 57b82e3..60a3c9e 100644 --- a/arch/powerpc/include/asm/bootx.h +++ b/arch/powerpc/include/asm/bootx.h @@ -9,7 +9,7 @@ #ifndef __ASM_BOOTX_H__ #define __ASM_BOOTX_H__ -#include <asm/types.h> +#include <linux/types.h> #ifdef macintosh #include <Types.h> diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index cd46f02..b5600ce 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -7,7 +7,7 @@ #include <asm/string.h> #endif -#include <asm/types.h> +#include <linux/types.h> #include <asm/ptrace.h> #include <asm/cputable.h> #include <asm/auxvec.h> diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index f993e41..4e0cf65 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -20,7 +20,7 @@ #ifndef __LINUX_KVM_POWERPC_H #define __LINUX_KVM_POWERPC_H -#include <asm/types.h> +#include <linux/types.h> struct kvm_regs { __u64 pc; diff --git a/arch/powerpc/include/asm/ps3fb.h b/arch/powerpc/include/asm/ps3fb.h index 3f121fe..e7233a8 100644 --- a/arch/powerpc/include/asm/ps3fb.h +++ b/arch/powerpc/include/asm/ps3fb.h @@ -19,6 +19,7 @@ #ifndef _ASM_POWERPC_PS3FB_H_ #define _ASM_POWERPC_PS3FB_H_ +#include <linux/types.h> #include <linux/ioctl.h> /* ioctl */ diff --git a/arch/powerpc/include/asm/spu_info.h b/arch/powerpc/include/asm/spu_info.h index 3545efb..1286c82 100644 --- a/arch/powerpc/include/asm/spu_info.h +++ b/arch/powerpc/include/asm/spu_info.h @@ -23,9 +23,10 @@ #ifndef _SPU_INFO_H #define _SPU_INFO_H +#include <linux/types.h> + #ifdef __KERNEL__ #include <asm/spu.h> -#include <linux/types.h> #else struct mfc_cq_sr { __u64 mfc_cq_data0_RW; diff --git a/arch/powerpc/include/asm/swab.h b/arch/powerpc/include/asm/swab.h index ef824ae..c581e3e 100644 --- a/arch/powerpc/include/asm/swab.h +++ b/arch/powerpc/include/asm/swab.h @@ -8,7 +8,7 @@ * 2 of the License, or (at your option) any later version. */ -#include <asm/types.h> +#include <linux/types.h> #include <linux/compiler.h> #ifdef __GNUC__ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 148c112..1042d69 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -194,6 +194,10 @@ config X86_TRAMPOLINE depends on SMP || (64BIT && ACPI_SLEEP) default y +config X86_32_LAZY_GS + def_bool y + depends on X86_32 && !CC_STACKPROTECTOR + config KTIME_SCALAR def_bool X86_32 source "init/Kconfig" @@ -1339,7 +1343,6 @@ config CC_STACKPROTECTOR_ALL config CC_STACKPROTECTOR bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" - depends on X86_64 select CC_STACKPROTECTOR_ALL ---help--- This option turns on the -fstack-protector GCC feature. This diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 99550c4..1836191 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -70,14 +70,17 @@ else # this works around some issues with generating unwind tables in older gccs # newer gccs do it by default KBUILD_CFLAGS += -maccumulate-outgoing-args +endif - stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh - stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \ - "$(CC)" "-fstack-protector -DGCC_HAS_SP" ) - stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \ - "$(CC)" -fstack-protector-all ) - - KBUILD_CFLAGS += $(stackp-y) +ifdef CONFIG_CC_STACKPROTECTOR + cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh + ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC)),y) + stackp-y := -fstack-protector + stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all + KBUILD_CFLAGS += $(stackp-y) + else + $(warning stack protector enabled but no compiler support) + endif endif # Stackpointer is addressed different for 32 bit and 64 bit x86 diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c index 4063d63..fba8e9c 100644 --- a/arch/x86/boot/a20.c +++ b/arch/x86/boot/a20.c @@ -2,6 +2,7 @@ * * Copyright (C) 1991, 1992 Linus Torvalds * Copyright 2007-2008 rPath, Inc. - All Rights Reserved + * Copyright 2009 Intel Corporation * * This file is part of the Linux kernel, and is made available under * the terms of the GNU General Public License version 2. @@ -15,16 +16,23 @@ #include "boot.h" #define MAX_8042_LOOPS 100000 +#define MAX_8042_FF 32 static int empty_8042(void) { u8 status; int loops = MAX_8042_LOOPS; + int ffs = MAX_8042_FF; while (loops--) { io_delay(); status = inb(0x64); + if (status == 0xff) { + /* FF is a plausible, but very unlikely status */ + if (!--ffs) + return -1; /* Assume no KBC present */ + } if (status & 1) { /* Read and discard input data */ io_delay(); @@ -118,44 +126,43 @@ static void enable_a20_fast(void) int enable_a20(void) { -#if defined(CONFIG_X86_ELAN) - /* Elan croaks if we try to touch the KBC */ - enable_a20_fast(); - while (!a20_test_long()) - ; - return 0; -#elif defined(CONFIG_X86_VOYAGER) +#ifdef CONFIG_X86_VOYAGER /* On Voyager, a20_test() is unsafe? */ enable_a20_kbc(); return 0; #else int loops = A20_ENABLE_LOOPS; - while (loops--) { - /* First, check to see if A20 is already enabled - (legacy free, etc.) */ - if (a20_test_short()) - return 0; - - /* Next, try the BIOS (INT 0x15, AX=0x2401) */ - enable_a20_bios(); - if (a20_test_short()) - return 0; - - /* Try enabling A20 through the keyboard controller */ - empty_8042(); - if (a20_test_short()) - return 0; /* BIOS worked, but with delayed reaction */ - - enable_a20_kbc(); - if (a20_test_long()) - return 0; - - /* Finally, try enabling the "fast A20 gate" */ - enable_a20_fast(); - if (a20_test_long()) - return 0; - } - - return -1; + int kbc_err; + + while (loops--) { + /* First, check to see if A20 is already enabled + (legacy free, etc.) */ + if (a20_test_short()) + return 0; + + /* Next, try the BIOS (INT 0x15, AX=0x2401) */ + enable_a20_bios(); + if (a20_test_short()) + return 0; + + /* Try enabling A20 through the keyboard controller */ + kbc_err = empty_8042(); + + if (a20_test_short()) + return 0; /* BIOS worked, but with delayed reaction */ + + if (!kbc_err) { + enable_a20_kbc(); + if (a20_test_long()) + return 0; + } + + /* Finally, try enabling the "fast A20 gate" */ + enable_a20_fast(); + if (a20_test_long()) + return 0; + } + + return -1; #endif } diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index 739bce9..096dd53 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -1,14 +1,13 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.27-rc5 -# Wed Sep 3 17:23:09 2008 +# Linux kernel version: 2.6.29-rc4 +# Thu Feb 12 12:57:57 2009 # # CONFIG_64BIT is not set CONFIG_X86_32=y # CONFIG_X86_64 is not set CONFIG_X86=y CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig" -# CONFIG_GENERIC_LOCKBREAK is not set CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_CLOCKSOURCE_WATCHDOG=y @@ -24,16 +23,14 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_GENERIC_BUG=y CONFIG_GENERIC_HWEIGHT=y -# CONFIG_GENERIC_GPIO is not set CONFIG_ARCH_MAY_HAVE_PC_FDC=y # CONFIG_RWSEM_GENERIC_SPINLOCK is not set CONFIG_RWSEM_XCHGADD_ALGORITHM=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_GENERIC_CALIBRATE_DELAY=y # CONFIG_GENERIC_TIME_VSYSCALL is not set CONFIG_ARCH_HAS_CPU_RELAX=y +CONFIG_ARCH_HAS_DEFAULT_IDLE=y CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y CONFIG_HAVE_SETUP_PER_CPU_AREA=y # CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set @@ -42,12 +39,12 @@ CONFIG_ARCH_SUSPEND_POSSIBLE=y # CONFIG_ZONE_DMA32 is not set CONFIG_ARCH_POPULATES_NODE_MAP=y # CONFIG_AUDIT_ARCH is not set -CONFIG_ARCH_SUPPORTS_AOUT=y CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_X86_SMP=y +CONFIG_USE_GENERIC_SMP_HELPERS=y CONFIG_X86_32_SMP=y CONFIG_X86_HT=y CONFIG_X86_BIOS_REBOOT=y @@ -76,30 +73,44 @@ CONFIG_TASK_IO_ACCOUNTING=y CONFIG_AUDIT=y CONFIG_AUDITSYSCALL=y CONFIG_AUDIT_TREE=y + +# +# RCU Subsystem +# +# CONFIG_CLASSIC_RCU is not set +CONFIG_TREE_RCU=y +# CONFIG_PREEMPT_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=32 +# CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 -CONFIG_CGROUPS=y -# CONFIG_CGROUP_DEBUG is not set -CONFIG_CGROUP_NS=y -# CONFIG_CGROUP_DEVICE is not set -CONFIG_CPUSETS=y CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y CONFIG_GROUP_SCHED=y CONFIG_FAIR_GROUP_SCHED=y # CONFIG_RT_GROUP_SCHED is not set # CONFIG_USER_SCHED is not set CONFIG_CGROUP_SCHED=y +CONFIG_CGROUPS=y +# CONFIG_CGROUP_DEBUG is not set +CONFIG_CGROUP_NS=y +CONFIG_CGROUP_FREEZER=y +# CONFIG_CGROUP_DEVICE is not set +CONFIG_CPUSETS=y +CONFIG_PROC_PID_CPUSET=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y # CONFIG_CGROUP_MEM_RES_CTLR is not set # CONFIG_SYSFS_DEPRECATED_V2 is not set -CONFIG_PROC_PID_CPUSET=y CONFIG_RELAY=y CONFIG_NAMESPACES=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y CONFIG_USER_NS=y CONFIG_PID_NS=y +CONFIG_NET_NS=y CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -124,12 +135,15 @@ CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y +CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_PCI_QUIRKS=y CONFIG_SLUB_DEBUG=y # CONFIG_SLAB is not set CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_PROFILING=y +CONFIG_TRACEPOINTS=y CONFIG_MARKERS=y # CONFIG_OPROFILE is not set CONFIG_HAVE_OPROFILE=y @@ -139,15 +153,10 @@ CONFIG_KRETPROBES=y CONFIG_HAVE_IOREMAP_PROT=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y -# CONFIG_HAVE_ARCH_TRACEHOOK is not set -# CONFIG_HAVE_DMA_ATTRS is not set -CONFIG_USE_GENERIC_SMP_HELPERS=y -# CONFIG_HAVE_CLK is not set -CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set @@ -155,12 +164,10 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y # CONFIG_LBD is not set CONFIG_BLK_DEV_IO_TRACE=y -# CONFIG_LSF is not set CONFIG_BLK_DEV_BSG=y # CONFIG_BLK_DEV_INTEGRITY is not set @@ -176,7 +183,7 @@ CONFIG_IOSCHED_CFQ=y CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_CLASSIC_RCU=y +CONFIG_FREEZER=y # # Processor type and features @@ -186,6 +193,7 @@ CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y +CONFIG_SPARSE_IRQ=y CONFIG_X86_FIND_SMP_CONFIG=y CONFIG_X86_MPPARSE=y # CONFIG_X86_ELAN is not set @@ -193,7 +201,7 @@ CONFIG_X86_MPPARSE=y # CONFIG_X86_GENERICARCH is not set # CONFIG_X86_VSMP is not set # CONFIG_X86_RDC321X is not set -CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y # CONFIG_PARAVIRT_GUEST is not set # CONFIG_MEMTEST is not set # CONFIG_M386 is not set @@ -237,10 +245,19 @@ CONFIG_X86_TSC=y CONFIG_X86_CMOV=y CONFIG_X86_MINIMUM_CPU_FAMILY=4 CONFIG_X86_DEBUGCTLMSR=y +CONFIG_CPU_SUP_INTEL=y +CONFIG_CPU_SUP_CYRIX_32=y +CONFIG_CPU_SUP_AMD=y +CONFIG_CPU_SUP_CENTAUR_32=y +CONFIG_CPU_SUP_TRANSMETA_32=y +CONFIG_CPU_SUP_UMC_32=y +CONFIG_X86_DS=y +CONFIG_X86_PTRACE_BTS=y CONFIG_HPET_TIMER=y CONFIG_HPET_EMULATE_RTC=y CONFIG_DMI=y # CONFIG_IOMMU_HELPER is not set +# CONFIG_IOMMU_API is not set CONFIG_NR_CPUS=64 CONFIG_SCHED_SMT=y CONFIG_SCHED_MC=y @@ -249,12 +266,15 @@ CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set CONFIG_X86_LOCAL_APIC=y CONFIG_X86_IO_APIC=y +CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y # CONFIG_X86_MCE is not set CONFIG_VM86=y # CONFIG_TOSHIBA is not set # CONFIG_I8K is not set CONFIG_X86_REBOOTFIXUPS=y CONFIG_MICROCODE=y +CONFIG_MICROCODE_INTEL=y +CONFIG_MICROCODE_AMD=y CONFIG_MICROCODE_OLD_INTERFACE=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y @@ -263,6 +283,7 @@ CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_HIGHMEM=y +# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y @@ -273,14 +294,17 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPARSEMEM_STATIC=y -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 -CONFIG_RESOURCES_64BIT=y +# CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y CONFIG_HIGHPTE=y +CONFIG_X86_CHECK_BIOS_CORRUPTION=y +CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y +CONFIG_X86_RESERVE_LOW_64K=y # CONFIG_MATH_EMULATION is not set CONFIG_MTRR=y # CONFIG_MTRR_SANITIZER is not set @@ -301,10 +325,11 @@ CONFIG_PHYSICAL_START=0x1000000 CONFIG_PHYSICAL_ALIGN=0x200000 CONFIG_HOTPLUG_CPU=y # CONFIG_COMPAT_VDSO is not set +# CONFIG_CMDLINE_BOOL is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y # -# Power management options +# Power management and ACPI options # CONFIG_PM=y CONFIG_PM_DEBUG=y @@ -330,19 +355,13 @@ CONFIG_ACPI_BATTERY=y CONFIG_ACPI_BUTTON=y CONFIG_ACPI_FAN=y CONFIG_ACPI_DOCK=y -# CONFIG_ACPI_BAY is not set CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_HOTPLUG_CPU=y CONFIG_ACPI_THERMAL=y -# CONFIG_ACPI_WMI is not set -# CONFIG_ACPI_ASUS is not set -# CONFIG_ACPI_TOSHIBA is not set # CONFIG_ACPI_CUSTOM_DSDT is not set CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set -CONFIG_ACPI_EC=y # CONFIG_ACPI_PCI_SLOT is not set -CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y CONFIG_X86_PM_TIMER=y CONFIG_ACPI_CONTAINER=y @@ -387,7 +406,6 @@ CONFIG_X86_ACPI_CPUFREQ=y # # shared options # -# CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set # CONFIG_X86_SPEEDSTEP_LIB is not set CONFIG_CPU_IDLE=y CONFIG_CPU_IDLE_GOV_LADDER=y @@ -414,6 +432,7 @@ CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y # CONFIG_PCI_LEGACY is not set # CONFIG_PCI_DEBUG is not set +# CONFIG_PCI_STUB is not set CONFIG_HT_IRQ=y CONFIG_ISA_DMA_API=y # CONFIG_ISA is not set @@ -451,13 +470,17 @@ CONFIG_HOTPLUG_PCI=y # Executable file formats / Emulations # CONFIG_BINFMT_ELF=y +CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y +CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set CONFIG_BINFMT_MISC=y +CONFIG_HAVE_ATOMIC_IOMAP=y CONFIG_NET=y # # Networking options # +CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -518,7 +541,6 @@ CONFIG_DEFAULT_CUBIC=y # CONFIG_DEFAULT_RENO is not set CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_TCP_MD5SIG=y -# CONFIG_IP_VS is not set CONFIG_IPV6=y # CONFIG_IPV6_PRIVACY is not set # CONFIG_IPV6_ROUTER_PREF is not set @@ -556,19 +578,21 @@ CONFIG_NF_CONNTRACK_IRC=y CONFIG_NF_CONNTRACK_SIP=y CONFIG_NF_CT_NETLINK=y CONFIG_NETFILTER_XTABLES=y +CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y CONFIG_NETFILTER_XT_TARGET_MARK=y CONFIG_NETFILTER_XT_TARGET_NFLOG=y CONFIG_NETFILTER_XT_TARGET_SECMARK=y -CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y CONFIG_NETFILTER_XT_TARGET_TCPMSS=y CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y CONFIG_NETFILTER_XT_MATCH_MARK=y CONFIG_NETFILTER_XT_MATCH_POLICY=y CONFIG_NETFILTER_XT_MATCH_STATE=y +# CONFIG_IP_VS is not set # # IP: Netfilter Configuration # +CONFIG_NF_DEFRAG_IPV4=y CONFIG_NF_CONNTRACK_IPV4=y CONFIG_NF_CONNTRACK_PROC_COMPAT=y CONFIG_IP_NF_IPTABLES=y @@ -594,8 +618,8 @@ CONFIG_IP_NF_MANGLE=y CONFIG_NF_CONNTRACK_IPV6=y CONFIG_IP6_NF_IPTABLES=y CONFIG_IP6_NF_MATCH_IPV6HEADER=y -CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_TARGET_LOG=y +CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_TARGET_REJECT=y CONFIG_IP6_NF_MANGLE=y # CONFIG_IP_DCCP is not set @@ -603,6 +627,7 @@ CONFIG_IP6_NF_MANGLE=y # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set CONFIG_LLC=y @@ -622,6 +647,7 @@ CONFIG_NET_SCHED=y # CONFIG_NET_SCH_HTB is not set # CONFIG_NET_SCH_HFSC is not set # CONFIG_NET_SCH_PRIO is not set +# CONFIG_NET_SCH_MULTIQ is not set # CONFIG_NET_SCH_RED is not set # CONFIG_NET_SCH_SFQ is not set # CONFIG_NET_SCH_TEQL is not set @@ -629,6 +655,7 @@ CONFIG_NET_SCHED=y # CONFIG_NET_SCH_GRED is not set # CONFIG_NET_SCH_DSMARK is not set # CONFIG_NET_SCH_NETEM is not set +# CONFIG_NET_SCH_DRR is not set # CONFIG_NET_SCH_INGRESS is not set # @@ -643,6 +670,7 @@ CONFIG_NET_CLS=y # CONFIG_NET_CLS_RSVP is not set # CONFIG_NET_CLS_RSVP6 is not set # CONFIG_NET_CLS_FLOW is not set +# CONFIG_NET_CLS_CGROUP is not set CONFIG_NET_EMATCH=y CONFIG_NET_EMATCH_STACK=32 # CONFIG_NET_EMATCH_CMP is not set @@ -658,7 +686,9 @@ CONFIG_NET_CLS_ACT=y # CONFIG_NET_ACT_NAT is not set # CONFIG_NET_ACT_PEDIT is not set # CONFIG_NET_ACT_SIMP is not set +# CONFIG_NET_ACT_SKBEDIT is not set CONFIG_NET_SCH_FIFO=y +# CONFIG_DCB is not set # # Network testing @@ -675,29 +705,33 @@ CONFIG_HAMRADIO=y # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set +# CONFIG_PHONET is not set CONFIG_FIB_RULES=y - -# -# Wireless -# +CONFIG_WIRELESS=y CONFIG_CFG80211=y +# CONFIG_CFG80211_REG_DEBUG is not set CONFIG_NL80211=y +CONFIG_WIRELESS_OLD_REGULATORY=y CONFIG_WIRELESS_EXT=y CONFIG_WIRELESS_EXT_SYSFS=y +# CONFIG_LIB80211 is not set CONFIG_MAC80211=y # # Rate control algorithm selection # -CONFIG_MAC80211_RC_PID=y -CONFIG_MAC80211_RC_DEFAULT_PID=y -CONFIG_MAC80211_RC_DEFAULT="pid" +CONFIG_MAC80211_RC_MINSTREL=y +# CONFIG_MAC80211_RC_DEFAULT_PID is not set +CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y +CONFIG_MAC80211_RC_DEFAULT="minstrel" # CONFIG_MAC80211_MESH is not set CONFIG_MAC80211_LEDS=y # CONFIG_MAC80211_DEBUGFS is not set # CONFIG_MAC80211_DEBUG_MENU is not set -# CONFIG_IEEE80211 is not set -# CONFIG_RFKILL is not set +# CONFIG_WIMAX is not set +CONFIG_RFKILL=y +# CONFIG_RFKILL_INPUT is not set +CONFIG_RFKILL_LEDS=y # CONFIG_NET_9P is not set # @@ -721,7 +755,7 @@ CONFIG_PROC_EVENTS=y # CONFIG_MTD is not set # CONFIG_PARPORT is not set CONFIG_PNP=y -# CONFIG_PNP_DEBUG is not set +CONFIG_PNP_DEBUG_MESSAGES=y # # Protocols @@ -749,20 +783,19 @@ CONFIG_BLK_DEV_RAM_SIZE=16384 CONFIG_MISC_DEVICES=y # CONFIG_IBM_ASM is not set # CONFIG_PHANTOM is not set -# CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set -# CONFIG_ACER_WMI is not set -# CONFIG_ASUS_LAPTOP is not set -# CONFIG_FUJITSU_LAPTOP is not set -# CONFIG_TC1100_WMI is not set -# CONFIG_MSI_LAPTOP is not set -# CONFIG_COMPAL_LAPTOP is not set -# CONFIG_SONY_LAPTOP is not set -# CONFIG_THINKPAD_ACPI is not set -# CONFIG_INTEL_MENLOW is not set +# CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_HP_ILO is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_93CX6 is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -801,7 +834,7 @@ CONFIG_SCSI_WAIT_SCAN=m # CONFIG_SCSI_SPI_ATTRS=y # CONFIG_SCSI_FC_ATTRS is not set -CONFIG_SCSI_ISCSI_ATTRS=y +# CONFIG_SCSI_ISCSI_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set # CONFIG_SCSI_SAS_LIBSAS is not set # CONFIG_SCSI_SRP_ATTRS is not set @@ -874,6 +907,7 @@ CONFIG_PATA_OLDPIIX=y CONFIG_PATA_SCH=y CONFIG_MD=y CONFIG_BLK_DEV_MD=y +CONFIG_MD_AUTODETECT=y # CONFIG_MD_LINEAR is not set # CONFIG_MD_RAID0 is not set # CONFIG_MD_RAID1 is not set @@ -929,6 +963,9 @@ CONFIG_PHYLIB=y # CONFIG_BROADCOM_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y @@ -952,6 +989,9 @@ CONFIG_NET_TULIP=y # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set CONFIG_NET_PCI=y # CONFIG_PCNET32 is not set # CONFIG_AMD8111_ETH is not set @@ -959,7 +999,6 @@ CONFIG_NET_PCI=y # CONFIG_B44 is not set CONFIG_FORCEDETH=y # CONFIG_FORCEDETH_NAPI is not set -# CONFIG_EEPRO100 is not set CONFIG_E100=y # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set @@ -973,15 +1012,16 @@ CONFIG_8139TOO=y # CONFIG_R6040 is not set # CONFIG_SIS900 is not set # CONFIG_EPIC100 is not set +# CONFIG_SMSC9420 is not set # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_VIA_RHINE is not set # CONFIG_SC92031 is not set +# CONFIG_ATL2 is not set CONFIG_NETDEV_1000=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set CONFIG_E1000=y -# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set CONFIG_E1000E=y # CONFIG_IP1000 is not set # CONFIG_IGB is not set @@ -999,18 +1039,23 @@ CONFIG_BNX2=y # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set # CONFIG_ATL1E is not set +# CONFIG_JME is not set CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set +CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_CHELSIO_T3 is not set +# CONFIG_ENIC is not set # CONFIG_IXGBE is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set # CONFIG_NETXEN_NIC is not set # CONFIG_NIU is not set +# CONFIG_MLX4_EN is not set # CONFIG_MLX4_CORE is not set # CONFIG_TEHUTI is not set # CONFIG_BNX2X is not set +# CONFIG_QLGE is not set # CONFIG_SFC is not set CONFIG_TR=y # CONFIG_IBMOL is not set @@ -1024,9 +1069,8 @@ CONFIG_TR=y # CONFIG_WLAN_PRE80211 is not set CONFIG_WLAN_80211=y # CONFIG_PCMCIA_RAYCS is not set -# CONFIG_IPW2100 is not set -# CONFIG_IPW2200 is not set # CONFIG_LIBERTAS is not set +# CONFIG_LIBERTAS_THINFIRM is not set # CONFIG_AIRO is not set # CONFIG_HERMES is not set # CONFIG_ATMEL is not set @@ -1043,6 +1087,8 @@ CONFIG_WLAN_80211=y CONFIG_ATH5K=y # CONFIG_ATH5K_DEBUG is not set # CONFIG_ATH9K is not set +# CONFIG_IPW2100 is not set +# CONFIG_IPW2200 is not set # CONFIG_IWLCORE is not set # CONFIG_IWLWIFI_LEDS is not set # CONFIG_IWLAGN is not set @@ -1054,6 +1100,10 @@ CONFIG_ATH5K=y # CONFIG_RT2X00 is not set # +# Enable WiMAX (Networking options) to see the WiMAX drivers +# + +# # USB Network Adapters # # CONFIG_USB_CATC is not set @@ -1061,6 +1111,7 @@ CONFIG_ATH5K=y # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set +# CONFIG_USB_HSO is not set CONFIG_NET_PCMCIA=y # CONFIG_PCMCIA_3C589 is not set # CONFIG_PCMCIA_3C574 is not set @@ -1122,6 +1173,7 @@ CONFIG_MOUSE_PS2_LOGIPS2PP=y CONFIG_MOUSE_PS2_SYNAPTICS=y CONFIG_MOUSE_PS2_LIFEBOOK=y CONFIG_MOUSE_PS2_TRACKPOINT=y +# CONFIG_MOUSE_PS2_ELANTECH is not set # CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set # CONFIG_MOUSE_APPLETOUCH is not set @@ -1159,15 +1211,16 @@ CONFIG_INPUT_TOUCHSCREEN=y # CONFIG_TOUCHSCREEN_FUJITSU is not set # CONFIG_TOUCHSCREEN_GUNZE is not set # CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set # CONFIG_TOUCHSCREEN_MTOUCH is not set # CONFIG_TOUCHSCREEN_INEXIO is not set # CONFIG_TOUCHSCREEN_MK712 is not set # CONFIG_TOUCHSCREEN_PENMOUNT is not set # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set # CONFIG_TOUCHSCREEN_TOUCHWIN is not set -# CONFIG_TOUCHSCREEN_UCB1400 is not set # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +# CONFIG_TOUCHSCREEN_TSC2007 is not set CONFIG_INPUT_MISC=y # CONFIG_INPUT_PCSPKR is not set # CONFIG_INPUT_APANEL is not set @@ -1178,6 +1231,7 @@ CONFIG_INPUT_MISC=y # CONFIG_INPUT_KEYSPAN_REMOTE is not set # CONFIG_INPUT_POWERMATE is not set # CONFIG_INPUT_YEALINK is not set +# CONFIG_INPUT_CM109 is not set # CONFIG_INPUT_UINPUT is not set # @@ -1244,6 +1298,7 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y @@ -1278,6 +1333,7 @@ CONFIG_I2C=y CONFIG_I2C_BOARDINFO=y # CONFIG_I2C_CHARDEV is not set CONFIG_I2C_HELPER_AUTO=y +CONFIG_I2C_ALGOBIT=y # # I2C Hardware Bus support @@ -1330,8 +1386,6 @@ CONFIG_I2C_I801=y # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -# CONFIG_EEPROM_AT24 is not set -# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set # CONFIG_SENSORS_PCA9539 is not set @@ -1350,8 +1404,78 @@ CONFIG_POWER_SUPPLY=y # CONFIG_POWER_SUPPLY_DEBUG is not set # CONFIG_PDA_POWER is not set # CONFIG_BATTERY_DS2760 is not set -# CONFIG_HWMON is not set +# CONFIG_BATTERY_BQ27x00 is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_ABITUGURU3 is not set +# CONFIG_SENSORS_AD7414 is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7462 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ADT7475 is not set +# CONFIG_SENSORS_K8TEMP is not set +# CONFIG_SENSORS_ASB100 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_I5K_AMB is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set +# CONFIG_SENSORS_FSCHMD is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_CORETEMP is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_LTC4245 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SIS5595 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VIA686A is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_VT8231 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_SENSORS_HDAPS is not set +# CONFIG_SENSORS_LIS3LV02D is not set +# CONFIG_SENSORS_APPLESMC is not set +# CONFIG_HWMON_DEBUG_CHIP is not set CONFIG_THERMAL=y +# CONFIG_THERMAL_HWMON is not set CONFIG_WATCHDOG=y # CONFIG_WATCHDOG_NOWAYOUT is not set @@ -1371,6 +1495,7 @@ CONFIG_WATCHDOG=y # CONFIG_I6300ESB_WDT is not set # CONFIG_ITCO_WDT is not set # CONFIG_IT8712F_WDT is not set +# CONFIG_IT87_WDT is not set # CONFIG_HP_WATCHDOG is not set # CONFIG_SC1200_WDT is not set # CONFIG_PC87413_WDT is not set @@ -1378,9 +1503,11 @@ CONFIG_WATCHDOG=y # CONFIG_SBC8360_WDT is not set # CONFIG_SBC7240_WDT is not set # CONFIG_CPU5_WDT is not set +# CONFIG_SMSC_SCH311X_WDT is not set # CONFIG_SMSC37B787_WDT is not set # CONFIG_W83627HF_WDT is not set # CONFIG_W83697HF_WDT is not set +# CONFIG_W83697UG_WDT is not set # CONFIG_W83877F_WDT is not set # CONFIG_W83977F_WDT is not set # CONFIG_MACHZ_WDT is not set @@ -1396,11 +1523,11 @@ CONFIG_WATCHDOG=y # USB-based Watchdog Cards # # CONFIG_USBPCWATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # @@ -1409,7 +1536,13 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_CORE is not set # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_TWL4030_CORE is not set # CONFIG_MFD_TMIO is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_PCF50633 is not set +# CONFIG_REGULATOR is not set # # Multimedia devices @@ -1449,6 +1582,7 @@ CONFIG_DRM=y # CONFIG_DRM_I810 is not set # CONFIG_DRM_I830 is not set CONFIG_DRM_I915=y +# CONFIG_DRM_I915_KMS is not set # CONFIG_DRM_MGA is not set # CONFIG_DRM_SIS is not set # CONFIG_DRM_VIA is not set @@ -1458,6 +1592,7 @@ CONFIG_DRM_I915=y CONFIG_FB=y # CONFIG_FIRMWARE_EDID is not set # CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y @@ -1486,7 +1621,6 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_UVESA is not set # CONFIG_FB_VESA is not set CONFIG_FB_EFI=y -# CONFIG_FB_IMAC is not set # CONFIG_FB_N411 is not set # CONFIG_FB_HGA is not set # CONFIG_FB_S1D13XXX is not set @@ -1502,6 +1636,7 @@ CONFIG_FB_EFI=y # CONFIG_FB_S3 is not set # CONFIG_FB_SAVAGE is not set # CONFIG_FB_SIS is not set +# CONFIG_FB_VIA is not set # CONFIG_FB_NEOMAGIC is not set # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set @@ -1514,12 +1649,15 @@ CONFIG_FB_EFI=y # CONFIG_FB_CARMINE is not set # CONFIG_FB_GEODE is not set # CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set CONFIG_BACKLIGHT_CLASS_DEVICE=y -# CONFIG_BACKLIGHT_CORGI is not set +CONFIG_BACKLIGHT_GENERIC=y # CONFIG_BACKLIGHT_PROGEAR is not set # CONFIG_BACKLIGHT_MBP_NVIDIA is not set +# CONFIG_BACKLIGHT_SAHARA is not set # # Display device support @@ -1539,10 +1677,12 @@ CONFIG_LOGO=y # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_LOGO_LINUX_CLUT224=y CONFIG_SOUND=y +CONFIG_SOUND_OSS_CORE=y CONFIG_SND=y CONFIG_SND_TIMER=y CONFIG_SND_PCM=y CONFIG_SND_HWDEP=y +CONFIG_SND_JACK=y CONFIG_SND_SEQUENCER=y CONFIG_SND_SEQ_DUMMY=y CONFIG_SND_OSSEMUL=y @@ -1550,6 +1690,8 @@ CONFIG_SND_MIXER_OSS=y CONFIG_SND_PCM_OSS=y CONFIG_SND_PCM_OSS_PLUGINS=y CONFIG_SND_SEQUENCER_OSS=y +CONFIG_SND_HRTIMER=y +CONFIG_SND_SEQ_HRTIMER_DEFAULT=y CONFIG_SND_DYNAMIC_MINORS=y CONFIG_SND_SUPPORT_OLD_API=y CONFIG_SND_VERBOSE_PROCFS=y @@ -1604,11 +1746,16 @@ CONFIG_SND_PCI=y # CONFIG_SND_FM801 is not set CONFIG_SND_HDA_INTEL=y CONFIG_SND_HDA_HWDEP=y +# CONFIG_SND_HDA_RECONFIG is not set +# CONFIG_SND_HDA_INPUT_BEEP is not set CONFIG_SND_HDA_CODEC_REALTEK=y CONFIG_SND_HDA_CODEC_ANALOG=y CONFIG_SND_HDA_CODEC_SIGMATEL=y CONFIG_SND_HDA_CODEC_VIA=y CONFIG_SND_HDA_CODEC_ATIHDMI=y +CONFIG_SND_HDA_CODEC_NVHDMI=y +CONFIG_SND_HDA_CODEC_INTELHDMI=y +CONFIG_SND_HDA_ELD=y CONFIG_SND_HDA_CODEC_CONEXANT=y CONFIG_SND_HDA_CODEC_CMEDIA=y CONFIG_SND_HDA_CODEC_SI3054=y @@ -1642,6 +1789,7 @@ CONFIG_SND_USB=y # CONFIG_SND_USB_AUDIO is not set # CONFIG_SND_USB_USX2Y is not set # CONFIG_SND_USB_CAIAQ is not set +# CONFIG_SND_USB_US122L is not set CONFIG_SND_PCMCIA=y # CONFIG_SND_VXPOCKET is not set # CONFIG_SND_PDAUDIOCF is not set @@ -1656,15 +1804,37 @@ CONFIG_HIDRAW=y # USB Input Devices # CONFIG_USB_HID=y -CONFIG_USB_HIDINPUT_POWERBOOK=y -CONFIG_HID_FF=y CONFIG_HID_PID=y +CONFIG_USB_HIDDEV=y + +# +# Special HID drivers +# +CONFIG_HID_COMPAT=y +CONFIG_HID_A4TECH=y +CONFIG_HID_APPLE=y +CONFIG_HID_BELKIN=y +CONFIG_HID_CHERRY=y +CONFIG_HID_CHICONY=y +CONFIG_HID_CYPRESS=y +CONFIG_HID_EZKEY=y +CONFIG_HID_GYRATION=y +CONFIG_HID_LOGITECH=y CONFIG_LOGITECH_FF=y # CONFIG_LOGIRUMBLEPAD2_FF is not set +CONFIG_HID_MICROSOFT=y +CONFIG_HID_MONTEREY=y +CONFIG_HID_NTRIG=y +CONFIG_HID_PANTHERLORD=y CONFIG_PANTHERLORD_FF=y +CONFIG_HID_PETALYNX=y +CONFIG_HID_SAMSUNG=y +CONFIG_HID_SONY=y +CONFIG_HID_SUNPLUS=y +# CONFIG_GREENASIA_FF is not set +CONFIG_HID_TOPSEED=y CONFIG_THRUSTMASTER_FF=y CONFIG_ZEROPLUS_FF=y -CONFIG_USB_HIDDEV=y CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y @@ -1682,6 +1852,8 @@ CONFIG_USB_DEVICEFS=y CONFIG_USB_SUSPEND=y # CONFIG_USB_OTG is not set CONFIG_USB_MON=y +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers @@ -1690,6 +1862,7 @@ CONFIG_USB_MON=y CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set +# CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set CONFIG_USB_OHCI_HCD=y @@ -1699,6 +1872,8 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_WHCI_HCD is not set +# CONFIG_USB_HWA_HCD is not set # # USB Device Class drivers @@ -1706,20 +1881,20 @@ CONFIG_USB_UHCI_HCD=y # CONFIG_USB_ACM is not set CONFIG_USB_PRINTER=y # CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; # # -# may also be needed; see USB_STORAGE Help for more information +# see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set -# CONFIG_USB_STORAGE_DPCM is not set # CONFIG_USB_STORAGE_USBAT is not set # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set @@ -1727,7 +1902,6 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_ONETOUCH is not set # CONFIG_USB_STORAGE_KARMA is not set -# CONFIG_USB_STORAGE_SIERRA is not set # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set CONFIG_USB_LIBUSUAL=y @@ -1748,6 +1922,7 @@ CONFIG_USB_LIBUSUAL=y # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set @@ -1765,7 +1940,13 @@ CONFIG_USB_LIBUSUAL=y # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set # CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +# CONFIG_UWB is not set # CONFIG_MMC is not set # CONFIG_MEMSTICK is not set CONFIG_NEW_LEDS=y @@ -1774,6 +1955,7 @@ CONFIG_LEDS_CLASS=y # # LED drivers # +# CONFIG_LEDS_ALIX2 is not set # CONFIG_LEDS_PCA9532 is not set # CONFIG_LEDS_CLEVO_MAIL is not set # CONFIG_LEDS_PCA955X is not set @@ -1784,6 +1966,7 @@ CONFIG_LEDS_CLASS=y CONFIG_LEDS_TRIGGERS=y # CONFIG_LEDS_TRIGGER_TIMER is not set # CONFIG_LEDS_TRIGGER_HEARTBEAT is not set +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set # CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set # CONFIG_ACCESSIBILITY is not set # CONFIG_INFINIBAND is not set @@ -1823,6 +2006,7 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers @@ -1832,12 +2016,15 @@ CONFIG_RTC_INTF_DEV=y # Platform RTC drivers # CONFIG_RTC_DRV_CMOS=y +# CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_V3020 is not set # @@ -1850,6 +2037,22 @@ CONFIG_DMADEVICES=y # # CONFIG_INTEL_IOATDMA is not set # CONFIG_UIO is not set +# CONFIG_STAGING is not set +CONFIG_X86_PLATFORM_DEVICES=y +# CONFIG_ACER_WMI is not set +# CONFIG_ASUS_LAPTOP is not set +# CONFIG_FUJITSU_LAPTOP is not set +# CONFIG_TC1100_WMI is not set +# CONFIG_MSI_LAPTOP is not set +# CONFIG_PANASONIC_LAPTOP is not set +# CONFIG_COMPAL_LAPTOP is not set +# CONFIG_SONY_LAPTOP is not set +# CONFIG_THINKPAD_ACPI is not set +# CONFIG_INTEL_MENLOW is not set +CONFIG_EEEPC_LAPTOP=y +# CONFIG_ACPI_WMI is not set +# CONFIG_ACPI_ASUS is not set +# CONFIG_ACPI_TOSHIBA is not set # # Firmware Drivers @@ -1860,8 +2063,7 @@ CONFIG_EFI_VARS=y # CONFIG_DELL_RBU is not set # CONFIG_DCDBAS is not set CONFIG_DMIID=y -CONFIG_ISCSI_IBFT_FIND=y -CONFIG_ISCSI_IBFT=y +# CONFIG_ISCSI_IBFT_FIND is not set # # File systems @@ -1871,21 +2073,24 @@ CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y -# CONFIG_EXT4DEV_FS is not set +# CONFIG_EXT4_FS is not set CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y +CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set +CONFIG_QUOTA_TREE=y # CONFIG_QFMT_V1 is not set CONFIG_QFMT_V2=y CONFIG_QUOTACTL=y @@ -1919,16 +2124,14 @@ CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_PROC_VMCORE=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y # CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# +CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_ECRYPT_FS is not set @@ -1938,6 +2141,7 @@ CONFIG_HUGETLB_PAGE=y # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set # CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set @@ -1959,6 +2163,7 @@ CONFIG_NFS_ACL_SUPPORT=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_SUNRPC_GSS=y +# CONFIG_SUNRPC_REGISTER_V4 is not set CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -2035,7 +2240,7 @@ CONFIG_NLS_UTF8=y # CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_PRINTK_TIME=y -CONFIG_ENABLE_WARN_DEPRECATED=y +# CONFIG_ENABLE_WARN_DEPRECATED is not set CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=2048 CONFIG_MAGIC_SYSRQ=y @@ -2065,33 +2270,54 @@ CONFIG_TIMER_STATS=y CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_VIRTUAL is not set # CONFIG_DEBUG_WRITECOUNT is not set CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +CONFIG_ARCH_WANT_FRAME_POINTERS=y CONFIG_FRAME_POINTER=y # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_KPROBES_SANITY_TEST is not set # CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_HAVE_FTRACE=y +CONFIG_USER_STACKTRACE_SUPPORT=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y CONFIG_HAVE_DYNAMIC_FTRACE=y -# CONFIG_FTRACE is not set +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_HW_BRANCH_TRACER=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_SYSPROF_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_POWER_TRACER is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_HW_BRANCH_TRACER is not set CONFIG_PROVIDE_OHCI1394_DMA_INIT=y +# CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set # CONFIG_STRICT_DEVMEM is not set CONFIG_X86_VERBOSE_BOOTUP=y CONFIG_EARLY_PRINTK=y +CONFIG_EARLY_PRINTK_DBGP=y CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y # CONFIG_DEBUG_PAGEALLOC is not set @@ -2122,8 +2348,10 @@ CONFIG_OPTIMIZE_INLINING=y CONFIG_KEYS=y CONFIG_KEYS_DEBUG_PROC_KEYS=y CONFIG_SECURITY=y +# CONFIG_SECURITYFS is not set CONFIG_SECURITY_NETWORK=y # CONFIG_SECURITY_NETWORK_XFRM is not set +# CONFIG_SECURITY_PATH is not set CONFIG_SECURITY_FILE_CAPABILITIES=y # CONFIG_SECURITY_ROOTPLUG is not set CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536 @@ -2134,7 +2362,6 @@ CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_SECURITY_SELINUX_DEVELOP=y CONFIG_SECURITY_SELINUX_AVC_STATS=y CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 -# CONFIG_SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT is not set # CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set # CONFIG_SECURITY_SMACK is not set CONFIG_CRYPTO=y @@ -2142,11 +2369,18 @@ CONFIG_CRYPTO=y # # Crypto core or helper # +# CONFIG_CRYPTO_FIPS is not set CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_CRYPTD is not set @@ -2181,6 +2415,7 @@ CONFIG_CRYPTO_HMAC=y # Digest # # CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CRC32C_INTEL is not set # CONFIG_CRYPTO_MD4 is not set CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_MICHAEL_MIC is not set @@ -2221,6 +2456,11 @@ CONFIG_CRYPTO_DES=y # # CONFIG_CRYPTO_DEFLATE is not set # CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_HW=y # CONFIG_CRYPTO_DEV_PADLOCK is not set # CONFIG_CRYPTO_DEV_GEODE is not set @@ -2238,6 +2478,7 @@ CONFIG_VIRTUALIZATION=y CONFIG_BITREVERSE=y CONFIG_GENERIC_FIND_FIRST_BIT=y CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set CONFIG_CRC_T10DIF=y diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig index 02b514e..2efb5d5 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -1,14 +1,13 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.27-rc5 -# Wed Sep 3 17:13:39 2008 +# Linux kernel version: 2.6.29-rc4 +# Thu Feb 12 12:57:29 2009 # CONFIG_64BIT=y # CONFIG_X86_32 is not set CONFIG_X86_64=y CONFIG_X86=y CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig" -# CONFIG_GENERIC_LOCKBREAK is not set CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_CLOCKSOURCE_WATCHDOG=y @@ -23,17 +22,16 @@ CONFIG_ZONE_DMA=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y CONFIG_GENERIC_HWEIGHT=y -# CONFIG_GENERIC_GPIO is not set CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_ARCH_HAS_CPU_RELAX=y +CONFIG_ARCH_HAS_DEFAULT_IDLE=y CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y CONFIG_HAVE_SETUP_PER_CPU_AREA=y CONFIG_HAVE_CPUMASK_OF_CPU_MAP=y @@ -42,12 +40,12 @@ CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_ZONE_DMA32=y CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_AUDIT_ARCH=y -CONFIG_ARCH_SUPPORTS_AOUT=y CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_X86_SMP=y +CONFIG_USE_GENERIC_SMP_HELPERS=y CONFIG_X86_64_SMP=y CONFIG_X86_HT=y CONFIG_X86_BIOS_REBOOT=y @@ -76,30 +74,44 @@ CONFIG_TASK_IO_ACCOUNTING=y CONFIG_AUDIT=y CONFIG_AUDITSYSCALL=y CONFIG_AUDIT_TREE=y + +# +# RCU Subsystem +# +# CONFIG_CLASSIC_RCU is not set +CONFIG_TREE_RCU=y +# CONFIG_PREEMPT_RCU is not set +# CONFIG_RCU_TRACE is not set +CONFIG_RCU_FANOUT=64 +# CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 -CONFIG_CGROUPS=y -# CONFIG_CGROUP_DEBUG is not set -CONFIG_CGROUP_NS=y -# CONFIG_CGROUP_DEVICE is not set -CONFIG_CPUSETS=y CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y CONFIG_GROUP_SCHED=y CONFIG_FAIR_GROUP_SCHED=y # CONFIG_RT_GROUP_SCHED is not set # CONFIG_USER_SCHED is not set CONFIG_CGROUP_SCHED=y +CONFIG_CGROUPS=y +# CONFIG_CGROUP_DEBUG is not set +CONFIG_CGROUP_NS=y +CONFIG_CGROUP_FREEZER=y +# CONFIG_CGROUP_DEVICE is not set +CONFIG_CPUSETS=y +CONFIG_PROC_PID_CPUSET=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y # CONFIG_CGROUP_MEM_RES_CTLR is not set # CONFIG_SYSFS_DEPRECATED_V2 is not set -CONFIG_PROC_PID_CPUSET=y CONFIG_RELAY=y CONFIG_NAMESPACES=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y CONFIG_USER_NS=y CONFIG_PID_NS=y +CONFIG_NET_NS=y CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -124,12 +136,15 @@ CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y +CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_PCI_QUIRKS=y CONFIG_SLUB_DEBUG=y # CONFIG_SLAB is not set CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_PROFILING=y +CONFIG_TRACEPOINTS=y CONFIG_MARKERS=y # CONFIG_OPROFILE is not set CONFIG_HAVE_OPROFILE=y @@ -139,15 +154,10 @@ CONFIG_KRETPROBES=y CONFIG_HAVE_IOREMAP_PROT=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y -# CONFIG_HAVE_ARCH_TRACEHOOK is not set -# CONFIG_HAVE_DMA_ATTRS is not set -CONFIG_USE_GENERIC_SMP_HELPERS=y -# CONFIG_HAVE_CLK is not set -CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_ARCH_TRACEHOOK=y # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set @@ -155,7 +165,6 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_BLK_DEV_IO_TRACE=y @@ -175,7 +184,7 @@ CONFIG_IOSCHED_CFQ=y CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_CLASSIC_RCU=y +CONFIG_FREEZER=y # # Processor type and features @@ -185,12 +194,15 @@ CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y +CONFIG_SPARSE_IRQ=y +# CONFIG_NUMA_MIGRATE_IRQ_DESC is not set CONFIG_X86_FIND_SMP_CONFIG=y CONFIG_X86_MPPARSE=y # CONFIG_X86_ELAN is not set # CONFIG_X86_VOYAGER is not set # CONFIG_X86_GENERICARCH is not set # CONFIG_X86_VSMP is not set +CONFIG_SCHED_OMIT_FRAME_POINTER=y # CONFIG_PARAVIRT_GUEST is not set # CONFIG_MEMTEST is not set # CONFIG_M386 is not set @@ -229,6 +241,11 @@ CONFIG_X86_CMPXCHG64=y CONFIG_X86_CMOV=y CONFIG_X86_MINIMUM_CPU_FAMILY=64 CONFIG_X86_DEBUGCTLMSR=y +CONFIG_CPU_SUP_INTEL=y +CONFIG_CPU_SUP_AMD=y +CONFIG_CPU_SUP_CENTAUR_64=y +CONFIG_X86_DS=y +CONFIG_X86_PTRACE_BTS=y CONFIG_HPET_TIMER=y CONFIG_HPET_EMULATE_RTC=y CONFIG_DMI=y @@ -236,8 +253,11 @@ CONFIG_GART_IOMMU=y CONFIG_CALGARY_IOMMU=y CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y CONFIG_AMD_IOMMU=y +CONFIG_AMD_IOMMU_STATS=y CONFIG_SWIOTLB=y CONFIG_IOMMU_HELPER=y +CONFIG_IOMMU_API=y +# CONFIG_MAXSMP is not set CONFIG_NR_CPUS=64 CONFIG_SCHED_SMT=y CONFIG_SCHED_MC=y @@ -246,12 +266,17 @@ CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set CONFIG_X86_LOCAL_APIC=y CONFIG_X86_IO_APIC=y +CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y # CONFIG_X86_MCE is not set # CONFIG_I8K is not set CONFIG_MICROCODE=y +CONFIG_MICROCODE_INTEL=y +CONFIG_MICROCODE_AMD=y CONFIG_MICROCODE_OLD_INTERFACE=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y +CONFIG_ARCH_PHYS_ADDR_T_64BIT=y +CONFIG_DIRECT_GBPAGES=y CONFIG_NUMA=y CONFIG_K8_NUMA=y CONFIG_X86_64_ACPI_NUMA=y @@ -268,7 +293,6 @@ CONFIG_SPARSEMEM_MANUAL=y CONFIG_SPARSEMEM=y CONFIG_NEED_MULTIPLE_NODES=y CONFIG_HAVE_MEMORY_PRESENT=y -# CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y CONFIG_SPARSEMEM_VMEMMAP=y @@ -279,10 +303,14 @@ CONFIG_SPARSEMEM_VMEMMAP=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MIGRATION=y -CONFIG_RESOURCES_64BIT=y +CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y +CONFIG_X86_CHECK_BIOS_CORRUPTION=y +CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y +CONFIG_X86_RESERVE_LOW_64K=y CONFIG_MTRR=y # CONFIG_MTRR_SANITIZER is not set CONFIG_X86_PAT=y @@ -301,11 +329,12 @@ CONFIG_PHYSICAL_START=0x1000000 CONFIG_PHYSICAL_ALIGN=0x200000 CONFIG_HOTPLUG_CPU=y # CONFIG_COMPAT_VDSO is not set +# CONFIG_CMDLINE_BOOL is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y # -# Power management options +# Power management and ACPI options # CONFIG_ARCH_HIBERNATION_HEADER=y CONFIG_PM=y @@ -332,20 +361,14 @@ CONFIG_ACPI_BATTERY=y CONFIG_ACPI_BUTTON=y CONFIG_ACPI_FAN=y CONFIG_ACPI_DOCK=y -# CONFIG_ACPI_BAY is not set CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_HOTPLUG_CPU=y CONFIG_ACPI_THERMAL=y CONFIG_ACPI_NUMA=y -# CONFIG_ACPI_WMI is not set -# CONFIG_ACPI_ASUS is not set -# CONFIG_ACPI_TOSHIBA is not set # CONFIG_ACPI_CUSTOM_DSDT is not set CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set -CONFIG_ACPI_EC=y # CONFIG_ACPI_PCI_SLOT is not set -CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y CONFIG_X86_PM_TIMER=y CONFIG_ACPI_CONTAINER=y @@ -380,13 +403,17 @@ CONFIG_X86_ACPI_CPUFREQ=y # # shared options # -# CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set # CONFIG_X86_SPEEDSTEP_LIB is not set CONFIG_CPU_IDLE=y CONFIG_CPU_IDLE_GOV_LADDER=y CONFIG_CPU_IDLE_GOV_MENU=y # +# Memory power savings +# +# CONFIG_I7300_IDLE is not set + +# # Bus options (PCI etc.) # CONFIG_PCI=y @@ -394,8 +421,10 @@ CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y CONFIG_PCI_DOMAINS=y CONFIG_DMAR=y +# CONFIG_DMAR_DEFAULT_ON is not set CONFIG_DMAR_GFX_WA=y CONFIG_DMAR_FLOPPY_WA=y +# CONFIG_INTR_REMAP is not set CONFIG_PCIEPORTBUS=y # CONFIG_HOTPLUG_PCI_PCIE is not set CONFIG_PCIEAER=y @@ -404,6 +433,7 @@ CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y # CONFIG_PCI_LEGACY is not set # CONFIG_PCI_DEBUG is not set +# CONFIG_PCI_STUB is not set CONFIG_HT_IRQ=y CONFIG_ISA_DMA_API=y CONFIG_K8_NB=y @@ -437,6 +467,8 @@ CONFIG_HOTPLUG_PCI=y # CONFIG_BINFMT_ELF=y CONFIG_COMPAT_BINFMT_ELF=y +CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y +# CONFIG_HAVE_AOUT is not set CONFIG_BINFMT_MISC=y CONFIG_IA32_EMULATION=y # CONFIG_IA32_AOUT is not set @@ -448,6 +480,7 @@ CONFIG_NET=y # # Networking options # +CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -508,7 +541,6 @@ CONFIG_DEFAULT_CUBIC=y # CONFIG_DEFAULT_RENO is not set CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_TCP_MD5SIG=y -# CONFIG_IP_VS is not set CONFIG_IPV6=y # CONFIG_IPV6_PRIVACY is not set # CONFIG_IPV6_ROUTER_PREF is not set @@ -546,19 +578,21 @@ CONFIG_NF_CONNTRACK_IRC=y CONFIG_NF_CONNTRACK_SIP=y CONFIG_NF_CT_NETLINK=y CONFIG_NETFILTER_XTABLES=y +CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y CONFIG_NETFILTER_XT_TARGET_MARK=y CONFIG_NETFILTER_XT_TARGET_NFLOG=y CONFIG_NETFILTER_XT_TARGET_SECMARK=y -CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y CONFIG_NETFILTER_XT_TARGET_TCPMSS=y CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y CONFIG_NETFILTER_XT_MATCH_MARK=y CONFIG_NETFILTER_XT_MATCH_POLICY=y CONFIG_NETFILTER_XT_MATCH_STATE=y +# CONFIG_IP_VS is not set # # IP: Netfilter Configuration # +CONFIG_NF_DEFRAG_IPV4=y CONFIG_NF_CONNTRACK_IPV4=y CONFIG_NF_CONNTRACK_PROC_COMPAT=y CONFIG_IP_NF_IPTABLES=y @@ -584,8 +618,8 @@ CONFIG_IP_NF_MANGLE=y CONFIG_NF_CONNTRACK_IPV6=y CONFIG_IP6_NF_IPTABLES=y CONFIG_IP6_NF_MATCH_IPV6HEADER=y -CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_TARGET_LOG=y +CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_TARGET_REJECT=y CONFIG_IP6_NF_MANGLE=y # CONFIG_IP_DCCP is not set @@ -593,6 +627,7 @@ CONFIG_IP6_NF_MANGLE=y # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set CONFIG_LLC=y @@ -612,6 +647,7 @@ CONFIG_NET_SCHED=y # CONFIG_NET_SCH_HTB is not set # CONFIG_NET_SCH_HFSC is not set # CONFIG_NET_SCH_PRIO is not set +# CONFIG_NET_SCH_MULTIQ is not set # CONFIG_NET_SCH_RED is not set # CONFIG_NET_SCH_SFQ is not set # CONFIG_NET_SCH_TEQL is not set @@ -619,6 +655,7 @@ CONFIG_NET_SCHED=y # CONFIG_NET_SCH_GRED is not set # CONFIG_NET_SCH_DSMARK is not set # CONFIG_NET_SCH_NETEM is not set +# CONFIG_NET_SCH_DRR is not set # CONFIG_NET_SCH_INGRESS is not set # @@ -633,6 +670,7 @@ CONFIG_NET_CLS=y # CONFIG_NET_CLS_RSVP is not set # CONFIG_NET_CLS_RSVP6 is not set # CONFIG_NET_CLS_FLOW is not set +# CONFIG_NET_CLS_CGROUP is not set CONFIG_NET_EMATCH=y CONFIG_NET_EMATCH_STACK=32 # CONFIG_NET_EMATCH_CMP is not set @@ -648,7 +686,9 @@ CONFIG_NET_CLS_ACT=y # CONFIG_NET_ACT_NAT is not set # CONFIG_NET_ACT_PEDIT is not set # CONFIG_NET_ACT_SIMP is not set +# CONFIG_NET_ACT_SKBEDIT is not set CONFIG_NET_SCH_FIFO=y +# CONFIG_DCB is not set # # Network testing @@ -665,29 +705,33 @@ CONFIG_HAMRADIO=y # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set +# CONFIG_PHONET is not set CONFIG_FIB_RULES=y - -# -# Wireless -# +CONFIG_WIRELESS=y CONFIG_CFG80211=y +# CONFIG_CFG80211_REG_DEBUG is not set CONFIG_NL80211=y +CONFIG_WIRELESS_OLD_REGULATORY=y CONFIG_WIRELESS_EXT=y CONFIG_WIRELESS_EXT_SYSFS=y +# CONFIG_LIB80211 is not set CONFIG_MAC80211=y # # Rate control algorithm selection # -CONFIG_MAC80211_RC_PID=y -CONFIG_MAC80211_RC_DEFAULT_PID=y -CONFIG_MAC80211_RC_DEFAULT="pid" +CONFIG_MAC80211_RC_MINSTREL=y +# CONFIG_MAC80211_RC_DEFAULT_PID is not set +CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y +CONFIG_MAC80211_RC_DEFAULT="minstrel" # CONFIG_MAC80211_MESH is not set CONFIG_MAC80211_LEDS=y # CONFIG_MAC80211_DEBUGFS is not set # CONFIG_MAC80211_DEBUG_MENU is not set -# CONFIG_IEEE80211 is not set -# CONFIG_RFKILL is not set +# CONFIG_WIMAX is not set +CONFIG_RFKILL=y +# CONFIG_RFKILL_INPUT is not set +CONFIG_RFKILL_LEDS=y # CONFIG_NET_9P is not set # @@ -711,7 +755,7 @@ CONFIG_PROC_EVENTS=y # CONFIG_MTD is not set # CONFIG_PARPORT is not set CONFIG_PNP=y -# CONFIG_PNP_DEBUG is not set +CONFIG_PNP_DEBUG_MESSAGES=y # # Protocols @@ -739,21 +783,21 @@ CONFIG_BLK_DEV_RAM_SIZE=16384 CONFIG_MISC_DEVICES=y # CONFIG_IBM_ASM is not set # CONFIG_PHANTOM is not set -# CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set -# CONFIG_ACER_WMI is not set -# CONFIG_ASUS_LAPTOP is not set -# CONFIG_FUJITSU_LAPTOP is not set -# CONFIG_MSI_LAPTOP is not set -# CONFIG_COMPAL_LAPTOP is not set -# CONFIG_SONY_LAPTOP is not set -# CONFIG_THINKPAD_ACPI is not set -# CONFIG_INTEL_MENLOW is not set +# CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_SGI_XP is not set # CONFIG_HP_ILO is not set # CONFIG_SGI_GRU is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_93CX6 is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -792,7 +836,7 @@ CONFIG_SCSI_WAIT_SCAN=m # CONFIG_SCSI_SPI_ATTRS=y # CONFIG_SCSI_FC_ATTRS is not set -CONFIG_SCSI_ISCSI_ATTRS=y +# CONFIG_SCSI_ISCSI_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set # CONFIG_SCSI_SAS_LIBSAS is not set # CONFIG_SCSI_SRP_ATTRS is not set @@ -863,6 +907,7 @@ CONFIG_PATA_OLDPIIX=y CONFIG_PATA_SCH=y CONFIG_MD=y CONFIG_BLK_DEV_MD=y +CONFIG_MD_AUTODETECT=y # CONFIG_MD_LINEAR is not set # CONFIG_MD_RAID0 is not set # CONFIG_MD_RAID1 is not set @@ -918,6 +963,9 @@ CONFIG_PHYLIB=y # CONFIG_BROADCOM_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y @@ -941,6 +989,9 @@ CONFIG_NET_TULIP=y # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set CONFIG_NET_PCI=y # CONFIG_PCNET32 is not set # CONFIG_AMD8111_ETH is not set @@ -948,7 +999,6 @@ CONFIG_NET_PCI=y # CONFIG_B44 is not set CONFIG_FORCEDETH=y # CONFIG_FORCEDETH_NAPI is not set -# CONFIG_EEPRO100 is not set CONFIG_E100=y # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set @@ -962,15 +1012,16 @@ CONFIG_8139TOO_PIO=y # CONFIG_R6040 is not set # CONFIG_SIS900 is not set # CONFIG_EPIC100 is not set +# CONFIG_SMSC9420 is not set # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_VIA_RHINE is not set # CONFIG_SC92031 is not set +# CONFIG_ATL2 is not set CONFIG_NETDEV_1000=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set CONFIG_E1000=y -# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set # CONFIG_E1000E is not set # CONFIG_IP1000 is not set # CONFIG_IGB is not set @@ -988,18 +1039,23 @@ CONFIG_TIGON3=y # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set # CONFIG_ATL1E is not set +# CONFIG_JME is not set CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set +CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_CHELSIO_T3 is not set +# CONFIG_ENIC is not set # CONFIG_IXGBE is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set # CONFIG_NETXEN_NIC is not set # CONFIG_NIU is not set +# CONFIG_MLX4_EN is not set # CONFIG_MLX4_CORE is not set # CONFIG_TEHUTI is not set # CONFIG_BNX2X is not set +# CONFIG_QLGE is not set # CONFIG_SFC is not set CONFIG_TR=y # CONFIG_IBMOL is not set @@ -1012,9 +1068,8 @@ CONFIG_TR=y # CONFIG_WLAN_PRE80211 is not set CONFIG_WLAN_80211=y # CONFIG_PCMCIA_RAYCS is not set -# CONFIG_IPW2100 is not set -# CONFIG_IPW2200 is not set # CONFIG_LIBERTAS is not set +# CONFIG_LIBERTAS_THINFIRM is not set # CONFIG_AIRO is not set # CONFIG_HERMES is not set # CONFIG_ATMEL is not set @@ -1031,6 +1086,8 @@ CONFIG_WLAN_80211=y CONFIG_ATH5K=y # CONFIG_ATH5K_DEBUG is not set # CONFIG_ATH9K is not set +# CONFIG_IPW2100 is not set +# CONFIG_IPW2200 is not set # CONFIG_IWLCORE is not set # CONFIG_IWLWIFI_LEDS is not set # CONFIG_IWLAGN is not set @@ -1042,6 +1099,10 @@ CONFIG_ATH5K=y # CONFIG_RT2X00 is not set # +# Enable WiMAX (Networking options) to see the WiMAX drivers +# + +# # USB Network Adapters # # CONFIG_USB_CATC is not set @@ -1049,6 +1110,7 @@ CONFIG_ATH5K=y # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set +# CONFIG_USB_HSO is not set CONFIG_NET_PCMCIA=y # CONFIG_PCMCIA_3C589 is not set # CONFIG_PCMCIA_3C574 is not set @@ -1058,6 +1120,7 @@ CONFIG_NET_PCMCIA=y # CONFIG_PCMCIA_SMC91C92 is not set # CONFIG_PCMCIA_XIRC2PS is not set # CONFIG_PCMCIA_AXNET is not set +# CONFIG_PCMCIA_IBMTR is not set # CONFIG_WAN is not set CONFIG_FDDI=y # CONFIG_DEFXX is not set @@ -1109,6 +1172,7 @@ CONFIG_MOUSE_PS2_LOGIPS2PP=y CONFIG_MOUSE_PS2_SYNAPTICS=y CONFIG_MOUSE_PS2_LIFEBOOK=y CONFIG_MOUSE_PS2_TRACKPOINT=y +# CONFIG_MOUSE_PS2_ELANTECH is not set # CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set # CONFIG_MOUSE_APPLETOUCH is not set @@ -1146,15 +1210,16 @@ CONFIG_INPUT_TOUCHSCREEN=y # CONFIG_TOUCHSCREEN_FUJITSU is not set # CONFIG_TOUCHSCREEN_GUNZE is not set # CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set # CONFIG_TOUCHSCREEN_MTOUCH is not set # CONFIG_TOUCHSCREEN_INEXIO is not set # CONFIG_TOUCHSCREEN_MK712 is not set # CONFIG_TOUCHSCREEN_PENMOUNT is not set # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set # CONFIG_TOUCHSCREEN_TOUCHWIN is not set -# CONFIG_TOUCHSCREEN_UCB1400 is not set # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +# CONFIG_TOUCHSCREEN_TSC2007 is not set CONFIG_INPUT_MISC=y # CONFIG_INPUT_PCSPKR is not set # CONFIG_INPUT_APANEL is not set @@ -1164,6 +1229,7 @@ CONFIG_INPUT_MISC=y # CONFIG_INPUT_KEYSPAN_REMOTE is not set # CONFIG_INPUT_POWERMATE is not set # CONFIG_INPUT_YEALINK is not set +# CONFIG_INPUT_CM109 is not set # CONFIG_INPUT_UINPUT is not set # @@ -1230,6 +1296,7 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y @@ -1259,6 +1326,7 @@ CONFIG_I2C=y CONFIG_I2C_BOARDINFO=y # CONFIG_I2C_CHARDEV is not set CONFIG_I2C_HELPER_AUTO=y +CONFIG_I2C_ALGOBIT=y # # I2C Hardware Bus support @@ -1310,8 +1378,6 @@ CONFIG_I2C_I801=y # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -# CONFIG_EEPROM_AT24 is not set -# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set # CONFIG_SENSORS_PCA9539 is not set @@ -1330,8 +1396,78 @@ CONFIG_POWER_SUPPLY=y # CONFIG_POWER_SUPPLY_DEBUG is not set # CONFIG_PDA_POWER is not set # CONFIG_BATTERY_DS2760 is not set -# CONFIG_HWMON is not set +# CONFIG_BATTERY_BQ27x00 is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_ABITUGURU3 is not set +# CONFIG_SENSORS_AD7414 is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7462 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ADT7475 is not set +# CONFIG_SENSORS_K8TEMP is not set +# CONFIG_SENSORS_ASB100 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_I5K_AMB is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set +# CONFIG_SENSORS_FSCHMD is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_CORETEMP is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_LTC4245 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SIS5595 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VIA686A is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_VT8231 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_SENSORS_HDAPS is not set +# CONFIG_SENSORS_LIS3LV02D is not set +# CONFIG_SENSORS_APPLESMC is not set +# CONFIG_HWMON_DEBUG_CHIP is not set CONFIG_THERMAL=y +# CONFIG_THERMAL_HWMON is not set CONFIG_WATCHDOG=y # CONFIG_WATCHDOG_NOWAYOUT is not set @@ -1351,15 +1487,18 @@ CONFIG_WATCHDOG=y # CONFIG_I6300ESB_WDT is not set # CONFIG_ITCO_WDT is not set # CONFIG_IT8712F_WDT is not set +# CONFIG_IT87_WDT is not set # CONFIG_HP_WATCHDOG is not set # CONFIG_SC1200_WDT is not set # CONFIG_PC87413_WDT is not set # CONFIG_60XX_WDT is not set # CONFIG_SBC8360_WDT is not set # CONFIG_CPU5_WDT is not set +# CONFIG_SMSC_SCH311X_WDT is not set # CONFIG_SMSC37B787_WDT is not set # CONFIG_W83627HF_WDT is not set # CONFIG_W83697HF_WDT is not set +# CONFIG_W83697UG_WDT is not set # CONFIG_W83877F_WDT is not set # CONFIG_W83977F_WDT is not set # CONFIG_MACHZ_WDT is not set @@ -1375,11 +1514,11 @@ CONFIG_WATCHDOG=y # USB-based Watchdog Cards # # CONFIG_USBPCWATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # @@ -1388,7 +1527,13 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_CORE is not set # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set +# CONFIG_TWL4030_CORE is not set # CONFIG_MFD_TMIO is not set +# CONFIG_PMIC_DA903X is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set +# CONFIG_MFD_PCF50633 is not set +# CONFIG_REGULATOR is not set # # Multimedia devices @@ -1422,6 +1567,7 @@ CONFIG_DRM=y # CONFIG_DRM_I810 is not set # CONFIG_DRM_I830 is not set CONFIG_DRM_I915=y +CONFIG_DRM_I915_KMS=y # CONFIG_DRM_MGA is not set # CONFIG_DRM_SIS is not set # CONFIG_DRM_VIA is not set @@ -1431,6 +1577,7 @@ CONFIG_DRM_I915=y CONFIG_FB=y # CONFIG_FIRMWARE_EDID is not set # CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y @@ -1459,7 +1606,6 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_UVESA is not set # CONFIG_FB_VESA is not set CONFIG_FB_EFI=y -# CONFIG_FB_IMAC is not set # CONFIG_FB_N411 is not set # CONFIG_FB_HGA is not set # CONFIG_FB_S1D13XXX is not set @@ -1474,6 +1620,7 @@ CONFIG_FB_EFI=y # CONFIG_FB_S3 is not set # CONFIG_FB_SAVAGE is not set # CONFIG_FB_SIS is not set +# CONFIG_FB_VIA is not set # CONFIG_FB_NEOMAGIC is not set # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set @@ -1485,12 +1632,15 @@ CONFIG_FB_EFI=y # CONFIG_FB_CARMINE is not set # CONFIG_FB_GEODE is not set # CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set CONFIG_BACKLIGHT_CLASS_DEVICE=y -# CONFIG_BACKLIGHT_CORGI is not set +CONFIG_BACKLIGHT_GENERIC=y # CONFIG_BACKLIGHT_PROGEAR is not set # CONFIG_BACKLIGHT_MBP_NVIDIA is not set +# CONFIG_BACKLIGHT_SAHARA is not set # # Display device support @@ -1510,10 +1660,12 @@ CONFIG_LOGO=y # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_LOGO_LINUX_CLUT224=y CONFIG_SOUND=y +CONFIG_SOUND_OSS_CORE=y CONFIG_SND=y CONFIG_SND_TIMER=y CONFIG_SND_PCM=y CONFIG_SND_HWDEP=y +CONFIG_SND_JACK=y CONFIG_SND_SEQUENCER=y CONFIG_SND_SEQ_DUMMY=y CONFIG_SND_OSSEMUL=y @@ -1521,6 +1673,8 @@ CONFIG_SND_MIXER_OSS=y CONFIG_SND_PCM_OSS=y CONFIG_SND_PCM_OSS_PLUGINS=y CONFIG_SND_SEQUENCER_OSS=y +CONFIG_SND_HRTIMER=y +CONFIG_SND_SEQ_HRTIMER_DEFAULT=y CONFIG_SND_DYNAMIC_MINORS=y CONFIG_SND_SUPPORT_OLD_API=y CONFIG_SND_VERBOSE_PROCFS=y @@ -1574,11 +1728,16 @@ CONFIG_SND_PCI=y # CONFIG_SND_FM801 is not set CONFIG_SND_HDA_INTEL=y CONFIG_SND_HDA_HWDEP=y +# CONFIG_SND_HDA_RECONFIG is not set +# CONFIG_SND_HDA_INPUT_BEEP is not set CONFIG_SND_HDA_CODEC_REALTEK=y CONFIG_SND_HDA_CODEC_ANALOG=y CONFIG_SND_HDA_CODEC_SIGMATEL=y CONFIG_SND_HDA_CODEC_VIA=y CONFIG_SND_HDA_CODEC_ATIHDMI=y +CONFIG_SND_HDA_CODEC_NVHDMI=y +CONFIG_SND_HDA_CODEC_INTELHDMI=y +CONFIG_SND_HDA_ELD=y CONFIG_SND_HDA_CODEC_CONEXANT=y CONFIG_SND_HDA_CODEC_CMEDIA=y CONFIG_SND_HDA_CODEC_SI3054=y @@ -1611,6 +1770,7 @@ CONFIG_SND_USB=y # CONFIG_SND_USB_AUDIO is not set # CONFIG_SND_USB_USX2Y is not set # CONFIG_SND_USB_CAIAQ is not set +# CONFIG_SND_USB_US122L is not set CONFIG_SND_PCMCIA=y # CONFIG_SND_VXPOCKET is not set # CONFIG_SND_PDAUDIOCF is not set @@ -1625,15 +1785,37 @@ CONFIG_HIDRAW=y # USB Input Devices # CONFIG_USB_HID=y -CONFIG_USB_HIDINPUT_POWERBOOK=y -CONFIG_HID_FF=y CONFIG_HID_PID=y +CONFIG_USB_HIDDEV=y + +# +# Special HID drivers +# +CONFIG_HID_COMPAT=y +CONFIG_HID_A4TECH=y +CONFIG_HID_APPLE=y +CONFIG_HID_BELKIN=y +CONFIG_HID_CHERRY=y +CONFIG_HID_CHICONY=y +CONFIG_HID_CYPRESS=y +CONFIG_HID_EZKEY=y +CONFIG_HID_GYRATION=y +CONFIG_HID_LOGITECH=y CONFIG_LOGITECH_FF=y # CONFIG_LOGIRUMBLEPAD2_FF is not set +CONFIG_HID_MICROSOFT=y +CONFIG_HID_MONTEREY=y +CONFIG_HID_NTRIG=y +CONFIG_HID_PANTHERLORD=y CONFIG_PANTHERLORD_FF=y +CONFIG_HID_PETALYNX=y +CONFIG_HID_SAMSUNG=y +CONFIG_HID_SONY=y +CONFIG_HID_SUNPLUS=y +# CONFIG_GREENASIA_FF is not set +CONFIG_HID_TOPSEED=y CONFIG_THRUSTMASTER_FF=y CONFIG_ZEROPLUS_FF=y -CONFIG_USB_HIDDEV=y CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y @@ -1651,6 +1833,8 @@ CONFIG_USB_DEVICEFS=y CONFIG_USB_SUSPEND=y # CONFIG_USB_OTG is not set CONFIG_USB_MON=y +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers @@ -1659,6 +1843,7 @@ CONFIG_USB_MON=y CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set +# CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set CONFIG_USB_OHCI_HCD=y @@ -1668,6 +1853,8 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_WHCI_HCD is not set +# CONFIG_USB_HWA_HCD is not set # # USB Device Class drivers @@ -1675,20 +1862,20 @@ CONFIG_USB_UHCI_HCD=y # CONFIG_USB_ACM is not set CONFIG_USB_PRINTER=y # CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; # # -# may also be needed; see USB_STORAGE Help for more information +# see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set -# CONFIG_USB_STORAGE_DPCM is not set # CONFIG_USB_STORAGE_USBAT is not set # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set @@ -1696,7 +1883,6 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_ONETOUCH is not set # CONFIG_USB_STORAGE_KARMA is not set -# CONFIG_USB_STORAGE_SIERRA is not set # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set CONFIG_USB_LIBUSUAL=y @@ -1717,6 +1903,7 @@ CONFIG_USB_LIBUSUAL=y # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set @@ -1734,7 +1921,13 @@ CONFIG_USB_LIBUSUAL=y # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set # CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# +# CONFIG_UWB is not set # CONFIG_MMC is not set # CONFIG_MEMSTICK is not set CONFIG_NEW_LEDS=y @@ -1743,6 +1936,7 @@ CONFIG_LEDS_CLASS=y # # LED drivers # +# CONFIG_LEDS_ALIX2 is not set # CONFIG_LEDS_PCA9532 is not set # CONFIG_LEDS_CLEVO_MAIL is not set # CONFIG_LEDS_PCA955X is not set @@ -1753,6 +1947,7 @@ CONFIG_LEDS_CLASS=y CONFIG_LEDS_TRIGGERS=y # CONFIG_LEDS_TRIGGER_TIMER is not set # CONFIG_LEDS_TRIGGER_HEARTBEAT is not set +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set # CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set # CONFIG_ACCESSIBILITY is not set # CONFIG_INFINIBAND is not set @@ -1792,6 +1987,7 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers @@ -1801,12 +1997,15 @@ CONFIG_RTC_INTF_DEV=y # Platform RTC drivers # CONFIG_RTC_DRV_CMOS=y +# CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_V3020 is not set # @@ -1819,6 +2018,21 @@ CONFIG_DMADEVICES=y # # CONFIG_INTEL_IOATDMA is not set # CONFIG_UIO is not set +# CONFIG_STAGING is not set +CONFIG_X86_PLATFORM_DEVICES=y +# CONFIG_ACER_WMI is not set +# CONFIG_ASUS_LAPTOP is not set +# CONFIG_FUJITSU_LAPTOP is not set +# CONFIG_MSI_LAPTOP is not set +# CONFIG_PANASONIC_LAPTOP is not set +# CONFIG_COMPAL_LAPTOP is not set +# CONFIG_SONY_LAPTOP is not set +# CONFIG_THINKPAD_ACPI is not set +# CONFIG_INTEL_MENLOW is not set +CONFIG_EEEPC_LAPTOP=y +# CONFIG_ACPI_WMI is not set +# CONFIG_ACPI_ASUS is not set +# CONFIG_ACPI_TOSHIBA is not set # # Firmware Drivers @@ -1829,8 +2043,7 @@ CONFIG_EFI_VARS=y # CONFIG_DELL_RBU is not set # CONFIG_DCDBAS is not set CONFIG_DMIID=y -CONFIG_ISCSI_IBFT_FIND=y -CONFIG_ISCSI_IBFT=y +# CONFIG_ISCSI_IBFT_FIND is not set # # File systems @@ -1840,22 +2053,25 @@ CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y -# CONFIG_EXT4DEV_FS is not set +# CONFIG_EXT4_FS is not set CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y +CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set +CONFIG_QUOTA_TREE=y # CONFIG_QFMT_V1 is not set CONFIG_QFMT_V2=y CONFIG_QUOTACTL=y @@ -1889,16 +2105,14 @@ CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_PROC_VMCORE=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y # CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# +CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_ECRYPT_FS is not set @@ -1908,6 +2122,7 @@ CONFIG_HUGETLB_PAGE=y # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set # CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set @@ -1929,6 +2144,7 @@ CONFIG_NFS_ACL_SUPPORT=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_SUNRPC_GSS=y +# CONFIG_SUNRPC_REGISTER_V4 is not set CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -2005,7 +2221,7 @@ CONFIG_NLS_UTF8=y # CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_PRINTK_TIME=y -CONFIG_ENABLE_WARN_DEPRECATED=y +# CONFIG_ENABLE_WARN_DEPRECATED is not set CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=2048 CONFIG_MAGIC_SYSRQ=y @@ -2034,40 +2250,60 @@ CONFIG_TIMER_STATS=y CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_VIRTUAL is not set # CONFIG_DEBUG_WRITECOUNT is not set CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +CONFIG_ARCH_WANT_FRAME_POINTERS=y CONFIG_FRAME_POINTER=y # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_KPROBES_SANITY_TEST is not set # CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_HAVE_FTRACE=y +CONFIG_USER_STACKTRACE_SUPPORT=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y CONFIG_HAVE_DYNAMIC_FTRACE=y -# CONFIG_FTRACE is not set +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_HW_BRANCH_TRACER=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_SYSPROF_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_POWER_TRACER is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_HW_BRANCH_TRACER is not set CONFIG_PROVIDE_OHCI1394_DMA_INIT=y +# CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set # CONFIG_STRICT_DEVMEM is not set CONFIG_X86_VERBOSE_BOOTUP=y CONFIG_EARLY_PRINTK=y +CONFIG_EARLY_PRINTK_DBGP=y CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y # CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUG_PER_CPU_MAPS is not set # CONFIG_X86_PTDUMP is not set CONFIG_DEBUG_RODATA=y -# CONFIG_DIRECT_GBPAGES is not set # CONFIG_DEBUG_RODATA_TEST is not set CONFIG_DEBUG_NX_TEST=m # CONFIG_IOMMU_DEBUG is not set @@ -2091,8 +2327,10 @@ CONFIG_OPTIMIZE_INLINING=y CONFIG_KEYS=y CONFIG_KEYS_DEBUG_PROC_KEYS=y CONFIG_SECURITY=y +# CONFIG_SECURITYFS is not set CONFIG_SECURITY_NETWORK=y # CONFIG_SECURITY_NETWORK_XFRM is not set +# CONFIG_SECURITY_PATH is not set CONFIG_SECURITY_FILE_CAPABILITIES=y # CONFIG_SECURITY_ROOTPLUG is not set CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536 @@ -2103,7 +2341,6 @@ CONFIG_SECURITY_SELINUX_DISABLE=y CONFIG_SECURITY_SELINUX_DEVELOP=y CONFIG_SECURITY_SELINUX_AVC_STATS=y CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 -# CONFIG_SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT is not set # CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set # CONFIG_SECURITY_SMACK is not set CONFIG_CRYPTO=y @@ -2111,11 +2348,18 @@ CONFIG_CRYPTO=y # # Crypto core or helper # +# CONFIG_CRYPTO_FIPS is not set CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_CRYPTD is not set @@ -2150,6 +2394,7 @@ CONFIG_CRYPTO_HMAC=y # Digest # # CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CRC32C_INTEL is not set # CONFIG_CRYPTO_MD4 is not set CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_MICHAEL_MIC is not set @@ -2190,6 +2435,11 @@ CONFIG_CRYPTO_DES=y # # CONFIG_CRYPTO_DEFLATE is not set # CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_HW=y # CONFIG_CRYPTO_DEV_HIFN_795X is not set CONFIG_HAVE_KVM=y @@ -2204,6 +2454,7 @@ CONFIG_VIRTUALIZATION=y CONFIG_BITREVERSE=y CONFIG_GENERIC_FIND_FIRST_BIT=y CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set CONFIG_CRC_T10DIF=y diff --git a/arch/x86/include/asm/a.out-core.h b/arch/x86/include/asm/a.out-core.h index 3c601f8..bb70e39 100644 --- a/arch/x86/include/asm/a.out-core.h +++ b/arch/x86/include/asm/a.out-core.h @@ -55,7 +55,7 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) dump->regs.ds = (u16)regs->ds; dump->regs.es = (u16)regs->es; dump->regs.fs = (u16)regs->fs; - savesegment(gs, dump->regs.gs); + dump->regs.gs = get_user_gs(regs); dump->regs.orig_ax = regs->orig_ax; dump->regs.ip = regs->ip; dump->regs.cs = (u16)regs->cs; diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 9830681..4518dc5 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -102,9 +102,6 @@ static inline void disable_acpi(void) acpi_noirq = 1; } -/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ -#define FIX_ACPI_PAGES 4 - extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); static inline void acpi_noirq_set(void) { acpi_noirq = 1; } diff --git a/arch/x86/include/asm/calling.h b/arch/x86/include/asm/calling.h index 2bc162e..0e63c9a 100644 --- a/arch/x86/include/asm/calling.h +++ b/arch/x86/include/asm/calling.h @@ -1,5 +1,55 @@ /* - * Some macros to handle stack frames in assembly. + + x86 function call convention, 64-bit: + ------------------------------------- + arguments | callee-saved | extra caller-saved | return + [callee-clobbered] | | [callee-clobbered] | + --------------------------------------------------------------------------- + rdi rsi rdx rcx r8-9 | rbx rbp [*] r12-15 | r10-11 | rax, rdx [**] + + ( rsp is obviously invariant across normal function calls. (gcc can 'merge' + functions when it sees tail-call optimization possibilities) rflags is + clobbered. Leftover arguments are passed over the stack frame.) + + [*] In the frame-pointers case rbp is fixed to the stack frame. + + [**] for struct return values wider than 64 bits the return convention is a + bit more complex: up to 128 bits width we return small structures + straight in rax, rdx. For structures larger than that (3 words or + larger) the caller puts a pointer to an on-stack return struct + [allocated in the caller's stack frame] into the first argument - i.e. + into rdi. All other arguments shift up by one in this case. + Fortunately this case is rare in the kernel. + +For 32-bit we have the following conventions - kernel is built with +-mregparm=3 and -freg-struct-return: + + x86 function calling convention, 32-bit: + ---------------------------------------- + arguments | callee-saved | extra caller-saved | return + [callee-clobbered] | | [callee-clobbered] | + ------------------------------------------------------------------------- + eax edx ecx | ebx edi esi ebp [*] | <none> | eax, edx [**] + + ( here too esp is obviously invariant across normal function calls. eflags + is clobbered. Leftover arguments are passed over the stack frame. ) + + [*] In the frame-pointers case ebp is fixed to the stack frame. + + [**] We build with -freg-struct-return, which on 32-bit means similar + semantics as on 64-bit: edx can be used for a second return value + (i.e. covering integer and structure sizes up to 64 bits) - after that + it gets more complex and more expensive: 3-word or larger struct returns + get done in the caller's frame and the pointer to the return struct goes + into regparm0, i.e. eax - the other arguments shift up and the + function's register parameters degenerate to regparm=2 in essence. + +*/ + + +/* + * 64-bit system call stack frame layout defines and helpers, + * for assembly code: */ #define R15 0 @@ -9,7 +59,7 @@ #define RBP 32 #define RBX 40 -/* arguments: interrupts/non tracing syscalls only save upto here*/ +/* arguments: interrupts/non tracing syscalls only save up to here: */ #define R11 48 #define R10 56 #define R9 64 @@ -22,7 +72,7 @@ #define ORIG_RAX 120 /* + error_code */ /* end of arguments */ -/* cpu exception frame or undefined in case of fast syscall. */ +/* cpu exception frame or undefined in case of fast syscall: */ #define RIP 128 #define CS 136 #define EFLAGS 144 diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h index f51a3dd..83c1bc8 100644 --- a/arch/x86/include/asm/elf.h +++ b/arch/x86/include/asm/elf.h @@ -112,7 +112,7 @@ extern unsigned int vdso_enabled; * now struct_user_regs, they are different) */ -#define ELF_CORE_COPY_REGS(pr_reg, regs) \ +#define ELF_CORE_COPY_REGS_COMMON(pr_reg, regs) \ do { \ pr_reg[0] = regs->bx; \ pr_reg[1] = regs->cx; \ @@ -124,7 +124,6 @@ do { \ pr_reg[7] = regs->ds & 0xffff; \ pr_reg[8] = regs->es & 0xffff; \ pr_reg[9] = regs->fs & 0xffff; \ - savesegment(gs, pr_reg[10]); \ pr_reg[11] = regs->orig_ax; \ pr_reg[12] = regs->ip; \ pr_reg[13] = regs->cs & 0xffff; \ @@ -133,6 +132,18 @@ do { \ pr_reg[16] = regs->ss & 0xffff; \ } while (0); +#define ELF_CORE_COPY_REGS(pr_reg, regs) \ +do { \ + ELF_CORE_COPY_REGS_COMMON(pr_reg, regs);\ + pr_reg[10] = get_user_gs(regs); \ +} while (0); + +#define ELF_CORE_COPY_KERNEL_REGS(pr_reg, regs) \ +do { \ + ELF_CORE_COPY_REGS_COMMON(pr_reg, regs);\ + savesegment(gs, pr_reg[10]); \ +} while (0); + #define ELF_PLATFORM (utsname()->machine) #define set_personality_64bit() do { } while (0) diff --git a/arch/x86/include/asm/fixmap_32.h b/arch/x86/include/asm/fixmap_32.h index c7115c1..047d9ba 100644 --- a/arch/x86/include/asm/fixmap_32.h +++ b/arch/x86/include/asm/fixmap_32.h @@ -95,10 +95,6 @@ enum fixed_addresses { (__end_of_permanent_fixed_addresses & 255), FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, FIX_WP_TEST, -#ifdef CONFIG_ACPI - FIX_ACPI_BEGIN, - FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1, -#endif #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT FIX_OHCI1394_BASE, #endif diff --git a/arch/x86/include/asm/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h index 00a30ab9..298d9ba 100644 --- a/arch/x86/include/asm/fixmap_64.h +++ b/arch/x86/include/asm/fixmap_64.h @@ -50,10 +50,6 @@ enum fixed_addresses { FIX_PARAVIRT_BOOTMAP, #endif __end_of_permanent_fixed_addresses, -#ifdef CONFIG_ACPI - FIX_ACPI_BEGIN, - FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1, -#endif #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT FIX_OHCI1394_BASE, #endif diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index bcf7ea4e..4f8e820 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -5,6 +5,7 @@ #include <linux/compiler.h> #include <asm-generic/int-ll64.h> +#include <asm/page.h> #define build_mmio_read(name, size, type, reg, barrier) \ static inline type name(const volatile void __iomem *addr) \ @@ -80,6 +81,95 @@ static inline void writeq(__u64 val, volatile void __iomem *addr) #define readq readq #define writeq writeq +/** + * virt_to_phys - map virtual addresses to physical + * @address: address to remap + * + * The returned physical address is the physical (CPU) mapping for + * the memory address given. It is only valid to use this function on + * addresses directly mapped or allocated via kmalloc. + * + * This function does not give bus mappings for DMA transfers. In + * almost all conceivable cases a device driver should not be using + * this function + */ + +static inline phys_addr_t virt_to_phys(volatile void *address) +{ + return __pa(address); +} + +/** + * phys_to_virt - map physical address to virtual + * @address: address to remap + * + * The returned virtual address is a current CPU mapping for + * the memory address given. It is only valid to use this function on + * addresses that have a kernel mapping + * + * This function does not handle bus mappings for DMA transfers. In + * almost all conceivable cases a device driver should not be using + * this function + */ + +static inline void *phys_to_virt(phys_addr_t address) +{ + return __va(address); +} + +/* + * Change "struct page" to physical address. + */ +#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) + +/* + * ISA I/O bus memory addresses are 1:1 with the physical address. + */ +#define isa_virt_to_bus (unsigned long)virt_to_phys +#define isa_page_to_bus page_to_phys +#define isa_bus_to_virt phys_to_virt + +/* + * However PCI ones are not necessarily 1:1 and therefore these interfaces + * are forbidden in portable PCI drivers. + * + * Allow them on x86 for legacy drivers, though. + */ +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt + +/** + * ioremap - map bus memory into CPU space + * @offset: bus address of the memory + * @size: size of the resource to map + * + * ioremap performs a platform specific sequence of operations to + * make bus memory CPU accessible via the readb/readw/readl/writeb/ + * writew/writel functions and the other mmio helpers. The returned + * address is not guaranteed to be usable directly as a virtual + * address. + * + * If the area you are trying to map is a PCI BAR you should have a + * look at pci_iomap(). + */ +extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size); +extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size); +extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, + unsigned long prot_val); + +/* + * The default ioremap() behavior is non-cached: + */ +static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) +{ + return ioremap_nocache(offset, size); +} + +extern void iounmap(volatile void __iomem *addr); + +extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); + + #ifdef CONFIG_X86_32 # include "io_32.h" #else @@ -105,5 +195,6 @@ extern void __iomem *early_memremap(unsigned long offset, unsigned long size); extern void early_iounmap(void __iomem *addr, unsigned long size); extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); +#define IO_SPACE_LIMIT 0xffff #endif /* _ASM_X86_IO_H */ diff --git a/arch/x86/include/asm/io_32.h b/arch/x86/include/asm/io_32.h index d8e242e..a299900 100644 --- a/arch/x86/include/asm/io_32.h +++ b/arch/x86/include/asm/io_32.h @@ -37,8 +37,6 @@ * - Arnaldo Carvalho de Melo <acme@conectiva.com.br> */ -#define IO_SPACE_LIMIT 0xffff - #define XQUAD_PORTIO_BASE 0xfe400000 #define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */ @@ -53,92 +51,6 @@ */ #define xlate_dev_kmem_ptr(p) p -/** - * virt_to_phys - map virtual addresses to physical - * @address: address to remap - * - * The returned physical address is the physical (CPU) mapping for - * the memory address given. It is only valid to use this function on - * addresses directly mapped or allocated via kmalloc. - * - * This function does not give bus mappings for DMA transfers. In - * almost all conceivable cases a device driver should not be using - * this function - */ - -static inline unsigned long virt_to_phys(volatile void *address) -{ - return __pa(address); -} - -/** - * phys_to_virt - map physical address to virtual - * @address: address to remap - * - * The returned virtual address is a current CPU mapping for - * the memory address given. It is only valid to use this function on - * addresses that have a kernel mapping - * - * This function does not handle bus mappings for DMA transfers. In - * almost all conceivable cases a device driver should not be using - * this function - */ - -static inline void *phys_to_virt(unsigned long address) -{ - return __va(address); -} - -/* - * Change "struct page" to physical address. - */ -#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) - -/** - * ioremap - map bus memory into CPU space - * @offset: bus address of the memory - * @size: size of the resource to map - * - * ioremap performs a platform specific sequence of operations to - * make bus memory CPU accessible via the readb/readw/readl/writeb/ - * writew/writel functions and the other mmio helpers. The returned - * address is not guaranteed to be usable directly as a virtual - * address. - * - * If the area you are trying to map is a PCI BAR you should have a - * look at pci_iomap(). - */ -extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, - unsigned long prot_val); - -/* - * The default ioremap() behavior is non-cached: - */ -static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) -{ - return ioremap_nocache(offset, size); -} - -extern void iounmap(volatile void __iomem *addr); - -/* - * ISA I/O bus memory addresses are 1:1 with the physical address. - */ -#define isa_virt_to_bus virt_to_phys -#define isa_page_to_bus page_to_phys -#define isa_bus_to_virt phys_to_virt - -/* - * However PCI ones are not necessarily 1:1 and therefore these interfaces - * are forbidden in portable PCI drivers. - * - * Allow them on x86 for legacy drivers, though. - */ -#define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt - static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count) { diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h index 563c162..2440678 100644 --- a/arch/x86/include/asm/io_64.h +++ b/arch/x86/include/asm/io_64.h @@ -136,73 +136,12 @@ __OUTS(b) __OUTS(w) __OUTS(l) -#define IO_SPACE_LIMIT 0xffff - #if defined(__KERNEL__) && defined(__x86_64__) #include <linux/vmalloc.h> -#ifndef __i386__ -/* - * Change virtual addresses to physical addresses and vv. - * These are pretty trivial - */ -static inline unsigned long virt_to_phys(volatile void *address) -{ - return __pa(address); -} - -static inline void *phys_to_virt(unsigned long address) -{ - return __va(address); -} -#endif - -/* - * Change "struct page" to physical address. - */ -#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) - #include <asm-generic/iomap.h> -/* - * This one maps high address device memory and turns off caching for that area. - * it's useful if some control registers are in such an area and write combining - * or read caching is not desirable: - */ -extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, - unsigned long prot_val); - -/* - * The default ioremap() behavior is non-cached: - */ -static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) -{ - return ioremap_nocache(offset, size); -} - -extern void iounmap(volatile void __iomem *addr); - -extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); - -/* - * ISA I/O bus memory addresses are 1:1 with the physical address. - */ -#define isa_virt_to_bus virt_to_phys -#define isa_page_to_bus page_to_phys -#define isa_bus_to_virt phys_to_virt - -/* - * However PCI ones are not necessarily 1:1 and therefore these interfaces - * are forbidden in portable PCI drivers. - * - * Allow them on x86 for legacy drivers, though. - */ -#define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt - void __memcpy_fromio(void *, unsigned long, unsigned); void __memcpy_toio(unsigned long, const void *, unsigned); diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h index c61d8b2..0ceb6d1 100644 --- a/arch/x86/include/asm/kexec.h +++ b/arch/x86/include/asm/kexec.h @@ -9,23 +9,8 @@ # define PAGES_NR 4 #else # define PA_CONTROL_PAGE 0 -# define VA_CONTROL_PAGE 1 -# define PA_PGD 2 -# define VA_PGD 3 -# define PA_PUD_0 4 -# define VA_PUD_0 5 -# define PA_PMD_0 6 -# define VA_PMD_0 7 -# define PA_PTE_0 8 -# define VA_PTE_0 9 -# define PA_PUD_1 10 -# define VA_PUD_1 11 -# define PA_PMD_1 12 -# define VA_PMD_1 13 -# define PA_PTE_1 14 -# define VA_PTE_1 15 -# define PA_TABLE_PAGE 16 -# define PAGES_NR 17 +# define PA_TABLE_PAGE 1 +# define PAGES_NR 2 #endif #ifdef CONFIG_X86_32 @@ -157,9 +142,9 @@ relocate_kernel(unsigned long indirection_page, unsigned long start_address) ATTRIB_NORET; #endif -#ifdef CONFIG_X86_32 #define ARCH_HAS_KIMAGE_ARCH +#ifdef CONFIG_X86_32 struct kimage_arch { pgd_t *pgd; #ifdef CONFIG_X86_PAE @@ -169,6 +154,12 @@ struct kimage_arch { pte_t *pte0; pte_t *pte1; }; +#else +struct kimage_arch { + pud_t *pud; + pmd_t *pmd; + pte_t *pte; +}; #endif #endif /* __ASSEMBLY__ */ diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 52948df..f923203 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -79,7 +79,7 @@ do { \ #ifdef CONFIG_X86_32 #define deactivate_mm(tsk, mm) \ do { \ - loadsegment(gs, 0); \ + lazy_load_gs(0); \ } while (0) #else #define deactivate_mm(tsk, mm) \ diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h index 6b98108..89ed9d7 100644 --- a/arch/x86/include/asm/page.h +++ b/arch/x86/include/asm/page.h @@ -1,42 +1,11 @@ #ifndef _ASM_X86_PAGE_H #define _ASM_X86_PAGE_H -#include <linux/const.h> - -/* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 -#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <linux/types.h> #ifdef __KERNEL__ -#define __PHYSICAL_MASK ((phys_addr_t)(1ULL << __PHYSICAL_MASK_SHIFT) - 1) -#define __VIRTUAL_MASK ((1UL << __VIRTUAL_MASK_SHIFT) - 1) - -/* Cast PAGE_MASK to a signed type so that it is sign-extended if - virtual addresses are 32-bits but physical addresses are larger - (ie, 32-bit PAE). */ -#define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK) - -/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */ -#define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK) - -/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */ -#define PTE_FLAGS_MASK (~PTE_PFN_MASK) - -#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) -#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) - -#define HPAGE_SHIFT PMD_SHIFT -#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) -#define HPAGE_MASK (~(HPAGE_SIZE - 1)) -#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) - -#define HUGE_MAX_HSTATE 2 - -#ifndef __ASSEMBLY__ -#include <linux/types.h> -#endif +#include <asm/page_types.h> #ifdef CONFIG_X86_64 #include <asm/page_64.h> @@ -44,39 +13,18 @@ #include <asm/page_32.h> #endif /* CONFIG_X86_64 */ -#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) - -#define VM_DATA_DEFAULT_FLAGS \ - (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ - VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #ifndef __ASSEMBLY__ -typedef struct { pgdval_t pgd; } pgd_t; -typedef struct { pgprotval_t pgprot; } pgprot_t; - -extern int page_is_ram(unsigned long pagenr); -extern int pagerange_is_ram(unsigned long start, unsigned long end); -extern int devmem_is_allowed(unsigned long pagenr); -extern void map_devmem(unsigned long pfn, unsigned long size, - pgprot_t vma_prot); -extern void unmap_devmem(unsigned long pfn, unsigned long size, - pgprot_t vma_prot); - -extern unsigned long max_low_pfn_mapped; -extern unsigned long max_pfn_mapped; - struct page; static inline void clear_user_page(void *page, unsigned long vaddr, - struct page *pg) + struct page *pg) { clear_page(page); } static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - struct page *topage) + struct page *topage) { copy_page(to, from); } @@ -85,98 +33,6 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE -static inline pgd_t native_make_pgd(pgdval_t val) -{ - return (pgd_t) { val }; -} - -static inline pgdval_t native_pgd_val(pgd_t pgd) -{ - return pgd.pgd; -} - -#if PAGETABLE_LEVELS >= 3 -#if PAGETABLE_LEVELS == 4 -typedef struct { pudval_t pud; } pud_t; - -static inline pud_t native_make_pud(pmdval_t val) -{ - return (pud_t) { val }; -} - -static inline pudval_t native_pud_val(pud_t pud) -{ - return pud.pud; -} -#else /* PAGETABLE_LEVELS == 3 */ -#include <asm-generic/pgtable-nopud.h> - -static inline pudval_t native_pud_val(pud_t pud) -{ - return native_pgd_val(pud.pgd); -} -#endif /* PAGETABLE_LEVELS == 4 */ - -typedef struct { pmdval_t pmd; } pmd_t; - -static inline pmd_t native_make_pmd(pmdval_t val) -{ - return (pmd_t) { val }; -} - -static inline pmdval_t native_pmd_val(pmd_t pmd) -{ - return pmd.pmd; -} -#else /* PAGETABLE_LEVELS == 2 */ -#include <asm-generic/pgtable-nopmd.h> - -static inline pmdval_t native_pmd_val(pmd_t pmd) -{ - return native_pgd_val(pmd.pud.pgd); -} -#endif /* PAGETABLE_LEVELS >= 3 */ - -static inline pte_t native_make_pte(pteval_t val) -{ - return (pte_t) { .pte = val }; -} - -static inline pteval_t native_pte_val(pte_t pte) -{ - return pte.pte; -} - -static inline pteval_t pte_flags(pte_t pte) -{ - return native_pte_val(pte) & PTE_FLAGS_MASK; -} - -#define pgprot_val(x) ((x).pgprot) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#else /* !CONFIG_PARAVIRT */ - -#define pgd_val(x) native_pgd_val(x) -#define __pgd(x) native_make_pgd(x) - -#ifndef __PAGETABLE_PUD_FOLDED -#define pud_val(x) native_pud_val(x) -#define __pud(x) native_make_pud(x) -#endif - -#ifndef __PAGETABLE_PMD_FOLDED -#define pmd_val(x) native_pmd_val(x) -#define __pmd(x) native_make_pmd(x) -#endif - -#define pte_val(x) native_pte_val(x) -#define __pte(x) native_make_pte(x) - -#endif /* CONFIG_PARAVIRT */ - #define __pa(x) __phys_addr((unsigned long)(x)) #define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x)) /* __pa_symbol should be used for C visible symbols. diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h index bcde0d7..da4e762 100644 --- a/arch/x86/include/asm/page_32.h +++ b/arch/x86/include/asm/page_32.h @@ -1,82 +1,14 @@ #ifndef _ASM_X86_PAGE_32_H #define _ASM_X86_PAGE_32_H -/* - * This handles the memory map. - * - * A __PAGE_OFFSET of 0xC0000000 means that the kernel has - * a virtual address space of one gigabyte, which limits the - * amount of physical memory you can use to about 950MB. - * - * If you want more physical memory than this then see the CONFIG_HIGHMEM4G - * and CONFIG_HIGHMEM64G options in the kernel configuration. - */ -#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) - -#ifdef CONFIG_4KSTACKS -#define THREAD_ORDER 0 -#else -#define THREAD_ORDER 1 -#endif -#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) - -#define STACKFAULT_STACK 0 -#define DOUBLEFAULT_STACK 1 -#define NMI_STACK 0 -#define DEBUG_STACK 0 -#define MCE_STACK 0 -#define N_EXCEPTION_STACKS 1 - -#ifdef CONFIG_X86_PAE -/* 44=32+12, the limit we can fit into an unsigned long pfn */ -#define __PHYSICAL_MASK_SHIFT 44 -#define __VIRTUAL_MASK_SHIFT 32 -#define PAGETABLE_LEVELS 3 - -#ifndef __ASSEMBLY__ -typedef u64 pteval_t; -typedef u64 pmdval_t; -typedef u64 pudval_t; -typedef u64 pgdval_t; -typedef u64 pgprotval_t; - -typedef union { - struct { - unsigned long pte_low, pte_high; - }; - pteval_t pte; -} pte_t; -#endif /* __ASSEMBLY__ - */ -#else /* !CONFIG_X86_PAE */ -#define __PHYSICAL_MASK_SHIFT 32 -#define __VIRTUAL_MASK_SHIFT 32 -#define PAGETABLE_LEVELS 2 - -#ifndef __ASSEMBLY__ -typedef unsigned long pteval_t; -typedef unsigned long pmdval_t; -typedef unsigned long pudval_t; -typedef unsigned long pgdval_t; -typedef unsigned long pgprotval_t; - -typedef union { - pteval_t pte; - pteval_t pte_low; -} pte_t; - -#endif /* __ASSEMBLY__ */ -#endif /* CONFIG_X86_PAE */ +#include <asm/page_32_types.h> #ifndef __ASSEMBLY__ -typedef struct page *pgtable_t; -#endif #ifdef CONFIG_HUGETLB_PAGE #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #endif -#ifndef __ASSEMBLY__ #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) #ifdef CONFIG_DEBUG_VIRTUAL extern unsigned long __phys_addr(unsigned long); @@ -89,23 +21,6 @@ extern unsigned long __phys_addr(unsigned long); #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif /* CONFIG_FLATMEM */ -extern int nx_enabled; - -/* - * This much address space is reserved for vmalloc() and iomap() - * as well as fixmap mappings. - */ -extern unsigned int __VMALLOC_RESERVE; -extern int sysctl_legacy_va_layout; - -extern void find_low_pfn_range(void); -extern unsigned long init_memory_mapping(unsigned long start, - unsigned long end); -extern void initmem_init(unsigned long, unsigned long); -extern void free_initmem(void); -extern void setup_bootmem_allocator(void); - - #ifdef CONFIG_X86_USE_3DNOW #include <asm/mmx.h> diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h new file mode 100644 index 0000000..b5486aa --- /dev/null +++ b/arch/x86/include/asm/page_32_types.h @@ -0,0 +1,62 @@ +#ifndef _ASM_X86_PAGE_32_DEFS_H +#define _ASM_X86_PAGE_32_DEFS_H + +#include <linux/const.h> + +/* + * This handles the memory map. + * + * A __PAGE_OFFSET of 0xC0000000 means that the kernel has + * a virtual address space of one gigabyte, which limits the + * amount of physical memory you can use to about 950MB. + * + * If you want more physical memory than this then see the CONFIG_HIGHMEM4G + * and CONFIG_HIGHMEM64G options in the kernel configuration. + */ +#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) + +#ifdef CONFIG_4KSTACKS +#define THREAD_ORDER 0 +#else +#define THREAD_ORDER 1 +#endif +#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) + +#define STACKFAULT_STACK 0 +#define DOUBLEFAULT_STACK 1 +#define NMI_STACK 0 +#define DEBUG_STACK 0 +#define MCE_STACK 0 +#define N_EXCEPTION_STACKS 1 + +#ifdef CONFIG_X86_PAE +/* 44=32+12, the limit we can fit into an unsigned long pfn */ +#define __PHYSICAL_MASK_SHIFT 44 +#define __VIRTUAL_MASK_SHIFT 32 +#define PAGETABLE_LEVELS 3 + +#else /* !CONFIG_X86_PAE */ +#define __PHYSICAL_MASK_SHIFT 32 +#define __VIRTUAL_MASK_SHIFT 32 +#define PAGETABLE_LEVELS 2 +#endif /* CONFIG_X86_PAE */ + +#ifndef __ASSEMBLY__ + +/* + * This much address space is reserved for vmalloc() and iomap() + * as well as fixmap mappings. + */ +extern unsigned int __VMALLOC_RESERVE; +extern int sysctl_legacy_va_layout; + +extern void find_low_pfn_range(void); +extern unsigned long init_memory_mapping(unsigned long start, + unsigned long end); +extern void initmem_init(unsigned long, unsigned long); +extern void free_initmem(void); +extern void setup_bootmem_allocator(void); + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_X86_PAGE_32_DEFS_H */ diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h index e27fdbe..072694e 100644 --- a/arch/x86/include/asm/page_64.h +++ b/arch/x86/include/asm/page_64.h @@ -1,105 +1,6 @@ #ifndef _ASM_X86_PAGE_64_H #define _ASM_X86_PAGE_64_H -#define PAGETABLE_LEVELS 4 - -#define THREAD_ORDER 1 -#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) -#define CURRENT_MASK (~(THREAD_SIZE - 1)) - -#define EXCEPTION_STACK_ORDER 0 -#define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) - -#define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) -#define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) - -#define IRQ_STACK_ORDER 2 -#define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER) - -#define STACKFAULT_STACK 1 -#define DOUBLEFAULT_STACK 2 -#define NMI_STACK 3 -#define DEBUG_STACK 4 -#define MCE_STACK 5 -#define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ - -#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) -#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) - -/* - * Set __PAGE_OFFSET to the most negative possible address + - * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a - * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's - * what Xen requires. - */ -#define __PAGE_OFFSET _AC(0xffff880000000000, UL) - -#define __PHYSICAL_START CONFIG_PHYSICAL_START -#define __KERNEL_ALIGN 0x200000 - -/* - * Make sure kernel is aligned to 2MB address. Catching it at compile - * time is better. Change your config file and compile the kernel - * for a 2MB aligned address (CONFIG_PHYSICAL_START) - */ -#if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 -#error "CONFIG_PHYSICAL_START must be a multiple of 2MB" -#endif - -#define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) -#define __START_KERNEL_map _AC(0xffffffff80000000, UL) - -/* See Documentation/x86_64/mm.txt for a description of the memory map. */ -#define __PHYSICAL_MASK_SHIFT 46 -#define __VIRTUAL_MASK_SHIFT 48 - -/* - * Kernel image size is limited to 512 MB (see level2_kernel_pgt in - * arch/x86/kernel/head_64.S), and it is mapped here: - */ -#define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) -#define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) - -#ifndef __ASSEMBLY__ -void clear_page(void *page); -void copy_page(void *to, void *from); - -/* duplicated to the one in bootmem.h */ -extern unsigned long max_pfn; -extern unsigned long phys_base; - -extern unsigned long __phys_addr(unsigned long); -#define __phys_reloc_hide(x) (x) - -/* - * These are used to make use of C type-checking.. - */ -typedef unsigned long pteval_t; -typedef unsigned long pmdval_t; -typedef unsigned long pudval_t; -typedef unsigned long pgdval_t; -typedef unsigned long pgprotval_t; - -typedef struct page *pgtable_t; - -typedef struct { pteval_t pte; } pte_t; - -#define vmemmap ((struct page *)VMEMMAP_START) - -extern unsigned long init_memory_mapping(unsigned long start, - unsigned long end); - -extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); -extern void free_initmem(void); - -extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); -extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); - -#endif /* !__ASSEMBLY__ */ - -#ifdef CONFIG_FLATMEM -#define pfn_valid(pfn) ((pfn) < max_pfn) -#endif - +#include <asm/page_64_types.h> #endif /* _ASM_X86_PAGE_64_H */ diff --git a/arch/x86/include/asm/page_64.h.rej b/arch/x86/include/asm/page_64.h.rej new file mode 100644 index 0000000..9b1807f --- /dev/null +++ b/arch/x86/include/asm/page_64.h.rej @@ -0,0 +1,114 @@ +*************** +*** 1,105 **** + #ifndef _ASM_X86_PAGE_64_H + #define _ASM_X86_PAGE_64_H + +- #define PAGETABLE_LEVELS 4 +- +- #define THREAD_ORDER 1 +- #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) +- #define CURRENT_MASK (~(THREAD_SIZE - 1)) +- +- #define EXCEPTION_STACK_ORDER 0 +- #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) +- +- #define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) +- #define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) +- +- #define IRQSTACK_ORDER 2 +- #define IRQSTACKSIZE (PAGE_SIZE << IRQSTACK_ORDER) +- +- #define STACKFAULT_STACK 1 +- #define DOUBLEFAULT_STACK 2 +- #define NMI_STACK 3 +- #define DEBUG_STACK 4 +- #define MCE_STACK 5 +- #define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ +- +- #define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) +- #define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) +- +- /* +- * Set __PAGE_OFFSET to the most negative possible address + +- * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a +- * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's +- * what Xen requires. +- */ +- #define __PAGE_OFFSET _AC(0xffff880000000000, UL) +- +- #define __PHYSICAL_START CONFIG_PHYSICAL_START +- #define __KERNEL_ALIGN 0x200000 +- +- /* +- * Make sure kernel is aligned to 2MB address. Catching it at compile +- * time is better. Change your config file and compile the kernel +- * for a 2MB aligned address (CONFIG_PHYSICAL_START) +- */ +- #if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 +- #error "CONFIG_PHYSICAL_START must be a multiple of 2MB" +- #endif +- +- #define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) +- #define __START_KERNEL_map _AC(0xffffffff80000000, UL) +- +- /* See Documentation/x86_64/mm.txt for a description of the memory map. */ +- #define __PHYSICAL_MASK_SHIFT 46 +- #define __VIRTUAL_MASK_SHIFT 48 +- +- /* +- * Kernel image size is limited to 512 MB (see level2_kernel_pgt in +- * arch/x86/kernel/head_64.S), and it is mapped here: +- */ +- #define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) +- #define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) +- +- #ifndef __ASSEMBLY__ +- void clear_page(void *page); +- void copy_page(void *to, void *from); +- +- /* duplicated to the one in bootmem.h */ +- extern unsigned long max_pfn; +- extern unsigned long phys_base; +- +- extern unsigned long __phys_addr(unsigned long); +- #define __phys_reloc_hide(x) (x) +- +- /* +- * These are used to make use of C type-checking.. +- */ +- typedef unsigned long pteval_t; +- typedef unsigned long pmdval_t; +- typedef unsigned long pudval_t; +- typedef unsigned long pgdval_t; +- typedef unsigned long pgprotval_t; +- +- typedef struct page *pgtable_t; +- +- typedef struct { pteval_t pte; } pte_t; +- +- #define vmemmap ((struct page *)VMEMMAP_START) +- +- extern unsigned long init_memory_mapping(unsigned long start, +- unsigned long end); +- +- extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); +- extern void free_initmem(void); +- +- extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); +- extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); +- +- #endif /* !__ASSEMBLY__ */ +- +- #ifdef CONFIG_FLATMEM +- #define pfn_valid(pfn) ((pfn) < max_pfn) +- #endif +- + + #endif /* _ASM_X86_PAGE_64_H */ +--- 1,6 ---- + #ifndef _ASM_X86_PAGE_64_H + #define _ASM_X86_PAGE_64_H + ++ #include <asm/page_64_types.h> + + #endif /* _ASM_X86_PAGE_64_H */ diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h new file mode 100644 index 0000000..bc73af3 --- /dev/null +++ b/arch/x86/include/asm/page_64_types.h @@ -0,0 +1,91 @@ +#ifndef _ASM_X86_PAGE_64_DEFS_H +#define _ASM_X86_PAGE_64_DEFS_H + +#define PAGETABLE_LEVELS 4 + +#define THREAD_ORDER 1 +#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) +#define CURRENT_MASK (~(THREAD_SIZE - 1)) + +#define EXCEPTION_STACK_ORDER 0 +#define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) + +#define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) +#define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) + +#define IRQ_STACK_ORDER 2 +#define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER) + +#define STACKFAULT_STACK 1 +#define DOUBLEFAULT_STACK 2 +#define NMI_STACK 3 +#define DEBUG_STACK 4 +#define MCE_STACK 5 +#define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ + +#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) +#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) + +/* + * Set __PAGE_OFFSET to the most negative possible address + + * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a + * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's + * what Xen requires. + */ +#define __PAGE_OFFSET _AC(0xffff880000000000, UL) + +#define __PHYSICAL_START CONFIG_PHYSICAL_START +#define __KERNEL_ALIGN 0x200000 + +/* + * Make sure kernel is aligned to 2MB address. Catching it at compile + * time is better. Change your config file and compile the kernel + * for a 2MB aligned address (CONFIG_PHYSICAL_START) + */ +#if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 +#error "CONFIG_PHYSICAL_START must be a multiple of 2MB" +#endif + +#define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) +#define __START_KERNEL_map _AC(0xffffffff80000000, UL) + +/* See Documentation/x86_64/mm.txt for a description of the memory map. */ +#define __PHYSICAL_MASK_SHIFT 46 +#define __VIRTUAL_MASK_SHIFT 48 + +/* + * Kernel image size is limited to 512 MB (see level2_kernel_pgt in + * arch/x86/kernel/head_64.S), and it is mapped here: + */ +#define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) +#define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) + +#ifndef __ASSEMBLY__ +void clear_page(void *page); +void copy_page(void *to, void *from); + +/* duplicated to the one in bootmem.h */ +extern unsigned long max_pfn; +extern unsigned long phys_base; + +extern unsigned long __phys_addr(unsigned long); +#define __phys_reloc_hide(x) (x) + +#define vmemmap ((struct page *)VMEMMAP_START) + +extern unsigned long init_memory_mapping(unsigned long start, + unsigned long end); + +extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); +extern void free_initmem(void); + +extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); +extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); + +#endif /* !__ASSEMBLY__ */ + +#ifdef CONFIG_FLATMEM +#define pfn_valid(pfn) ((pfn) < max_pfn) +#endif + +#endif /* _ASM_X86_PAGE_64_DEFS_H */ diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h new file mode 100644 index 0000000..2c52ff7 --- /dev/null +++ b/arch/x86/include/asm/page_types.h @@ -0,0 +1,63 @@ +#ifndef _ASM_X86_PAGE_DEFS_H +#define _ASM_X86_PAGE_DEFS_H + +#include <linux/const.h> + +/* PAGE_SHIFT determines the page size */ +#define PAGE_SHIFT 12 +#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#define __PHYSICAL_MASK ((phys_addr_t)(1ULL << __PHYSICAL_MASK_SHIFT) - 1) +#define __VIRTUAL_MASK ((1UL << __VIRTUAL_MASK_SHIFT) - 1) + +/* Cast PAGE_MASK to a signed type so that it is sign-extended if + virtual addresses are 32-bits but physical addresses are larger + (ie, 32-bit PAE). */ +#define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK) + +/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */ +#define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK) + +/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */ +#define PTE_FLAGS_MASK (~PTE_PFN_MASK) + +#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) +#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) + +#define HPAGE_SHIFT PMD_SHIFT +#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) + +#define HUGE_MAX_HSTATE 2 + +#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) + +#define VM_DATA_DEFAULT_FLAGS \ + (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ + VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#ifdef CONFIG_X86_64 +#include <asm/page_64_types.h> +#else +#include <asm/page_32_types.h> +#endif /* CONFIG_X86_64 */ + +#ifndef __ASSEMBLY__ + +struct pgprot; + +extern int page_is_ram(unsigned long pagenr); +extern int devmem_is_allowed(unsigned long pagenr); +extern void map_devmem(unsigned long pfn, unsigned long size, + struct pgprot vma_prot); +extern void unmap_devmem(unsigned long pfn, unsigned long size, + struct pgprot vma_prot); + +extern unsigned long max_low_pfn_mapped; +extern unsigned long max_pfn_mapped; + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_X86_PAGE_DEFS_H */ diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 1c244b6..0617d5c 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -4,7 +4,7 @@ * para-virtualization: those hooks are defined here. */ #ifdef CONFIG_PARAVIRT -#include <asm/page.h> +#include <asm/pgtable_types.h> #include <asm/asm.h> /* Bitmask of what can be clobbered: usually at least eax. */ @@ -1431,14 +1431,7 @@ static inline void arch_leave_lazy_cpu_mode(void) PVOP_VCALL0(pv_cpu_ops.lazy_mode.leave); } -static inline void arch_flush_lazy_cpu_mode(void) -{ - if (unlikely(paravirt_get_lazy_mode() == PARAVIRT_LAZY_CPU)) { - arch_leave_lazy_cpu_mode(); - arch_enter_lazy_cpu_mode(); - } -} - +void arch_flush_lazy_cpu_mode(void); #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE static inline void arch_enter_lazy_mmu_mode(void) @@ -1451,13 +1444,7 @@ static inline void arch_leave_lazy_mmu_mode(void) PVOP_VCALL0(pv_mmu_ops.lazy_mode.leave); } -static inline void arch_flush_lazy_mmu_mode(void) -{ - if (unlikely(paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU)) { - arch_leave_lazy_mmu_mode(); - arch_enter_lazy_mmu_mode(); - } -} +void arch_flush_lazy_mmu_mode(void); static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, unsigned long phys, pgprot_t flags) diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 0b64af4..aee103b 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -34,6 +34,12 @@ #define PER_CPU_VAR(var) per_cpu__##var #endif /* SMP */ +#ifdef CONFIG_X86_64_SMP +#define INIT_PER_CPU_VAR(var) init_per_cpu__##var +#else +#define INIT_PER_CPU_VAR(var) per_cpu__##var +#endif + #else /* ...!ASSEMBLY */ #include <linux/stringify.h> @@ -45,6 +51,22 @@ #define __percpu_arg(x) "%" #x #endif +/* + * Initialized pointers to per-cpu variables needed for the boot + * processor need to use these macros to get the proper address + * offset from __per_cpu_load on SMP. + * + * There also must be an entry in vmlinux_64.lds.S + */ +#define DECLARE_INIT_PER_CPU(var) \ + extern typeof(per_cpu_var(var)) init_per_cpu_var(var) + +#ifdef CONFIG_X86_64_SMP +#define init_per_cpu_var(var) init_per_cpu__##var +#else +#define init_per_cpu_var(var) per_cpu_var(var) +#endif + /* For arch-specific code, we can use direct single-insn ops (they * don't give an lvalue though). */ extern void __bad_percpu_size(void); diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h index e0d199f..c1774ac 100644 --- a/arch/x86/include/asm/pgtable-2level.h +++ b/arch/x86/include/asm/pgtable-2level.h @@ -53,8 +53,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp) #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp) #endif -#define pte_none(x) (!(x).pte_low) - /* * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE and _PAGE_BIT_PROTNONE are taken, * split up the 29 bits of offset into this range: diff --git a/arch/x86/include/asm/pgtable-2level-defs.h b/arch/x86/include/asm/pgtable-2level_types.h index d77db89..09ae67e 100644 --- a/arch/x86/include/asm/pgtable-2level-defs.h +++ b/arch/x86/include/asm/pgtable-2level_types.h @@ -1,6 +1,21 @@ #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +typedef unsigned long pteval_t; +typedef unsigned long pmdval_t; +typedef unsigned long pudval_t; +typedef unsigned long pgdval_t; +typedef unsigned long pgprotval_t; + +typedef union { + pteval_t pte; + pteval_t pte_low; +} pte_t; +#endif /* !__ASSEMBLY__ */ + #define SHARED_KERNEL_PMD 0 /* diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index 447da43..3f13cdf 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -18,21 +18,6 @@ printk("%s:%d: bad pgd %p(%016Lx).\n", \ __FILE__, __LINE__, &(e), pgd_val(e)) -static inline int pud_none(pud_t pud) -{ - return pud_val(pud) == 0; -} - -static inline int pud_bad(pud_t pud) -{ - return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0; -} - -static inline int pud_present(pud_t pud) -{ - return pud_val(pud) & _PAGE_PRESENT; -} - /* Rules for using set_pte: the pte being assigned *must* be * either not present or in a state where the hardware will * not attempt to update the pte. In places where this is @@ -120,15 +105,6 @@ static inline void pud_clear(pud_t *pudp) write_cr3(pgd); } -#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT) - -#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PTE_PFN_MASK)) - - -/* Find an entry in the second-level page table.. */ -#define pmd_offset(pud, address) ((pmd_t *)pud_page_vaddr(*(pud)) + \ - pmd_index(address)) - #ifdef CONFIG_SMP static inline pte_t native_ptep_get_and_clear(pte_t *ptep) { @@ -145,17 +121,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *ptep) #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp) #endif -#define __HAVE_ARCH_PTE_SAME -static inline int pte_same(pte_t a, pte_t b) -{ - return a.pte_low == b.pte_low && a.pte_high == b.pte_high; -} - -static inline int pte_none(pte_t pte) -{ - return !pte.pte_low && !pte.pte_high; -} - /* * Bits 0, 6 and 7 are taken in the low part of the pte, * put the 32 bits of offset into the high part. diff --git a/arch/x86/include/asm/pgtable-3level-defs.h b/arch/x86/include/asm/pgtable-3level_types.h index 6256136..bcc8962 100644 --- a/arch/x86/include/asm/pgtable-3level-defs.h +++ b/arch/x86/include/asm/pgtable-3level_types.h @@ -1,6 +1,23 @@ #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +typedef u64 pteval_t; +typedef u64 pmdval_t; +typedef u64 pudval_t; +typedef u64 pgdval_t; +typedef u64 pgprotval_t; + +typedef union { + struct { + unsigned long pte_low, pte_high; + }; + pteval_t pte; +} pte_t; +#endif /* !__ASSEMBLY__ */ + #ifdef CONFIG_PARAVIRT #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) #else @@ -25,4 +42,5 @@ */ #define PTRS_PER_PTE 512 + #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */ diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 6f7c102..1c097a3 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1,164 +1,9 @@ #ifndef _ASM_X86_PGTABLE_H #define _ASM_X86_PGTABLE_H -#define FIRST_USER_ADDRESS 0 - -#define _PAGE_BIT_PRESENT 0 /* is present */ -#define _PAGE_BIT_RW 1 /* writeable */ -#define _PAGE_BIT_USER 2 /* userspace addressable */ -#define _PAGE_BIT_PWT 3 /* page write through */ -#define _PAGE_BIT_PCD 4 /* page cache disabled */ -#define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ -#define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ -#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ -#define _PAGE_BIT_PAT 7 /* on 4KB pages */ -#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ -#define _PAGE_BIT_UNUSED1 9 /* available for programmer */ -#define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ -#define _PAGE_BIT_UNUSED3 11 -#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ -#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 -#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 -#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ - -/* If _PAGE_BIT_PRESENT is clear, we use these: */ -/* - if the user mapped it with PROT_NONE; pte_present gives true */ -#define _PAGE_BIT_PROTNONE _PAGE_BIT_GLOBAL -/* - set: nonlinear file mapping, saved PTE; unset:swap */ -#define _PAGE_BIT_FILE _PAGE_BIT_DIRTY - -#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) -#define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) -#define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) -#define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT) -#define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD) -#define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) -#define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) -#define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) -#define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) -#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) -#define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) -#define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) -#define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) -#define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) -#define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) -#define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST) -#define __HAVE_ARCH_PTE_SPECIAL - -#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) -#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) -#else -#define _PAGE_NX (_AT(pteval_t, 0)) -#endif +#include <asm/page.h> -#define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) -#define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) - -#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_DIRTY) -#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | \ - _PAGE_DIRTY) - -/* Set of bits not changed in pte_modify */ -#define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ - _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY) - -#define _PAGE_CACHE_MASK (_PAGE_PCD | _PAGE_PWT) -#define _PAGE_CACHE_WB (0) -#define _PAGE_CACHE_WC (_PAGE_PWT) -#define _PAGE_CACHE_UC_MINUS (_PAGE_PCD) -#define _PAGE_CACHE_UC (_PAGE_PCD | _PAGE_PWT) - -#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) -#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_NX) - -#define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | \ - _PAGE_USER | _PAGE_ACCESSED) -#define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_NX) -#define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) -#define PAGE_COPY PAGE_COPY_NOEXEC -#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_NX) -#define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) - -#define __PAGE_KERNEL_EXEC \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) -#define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) - -#define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) -#define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) -#define __PAGE_KERNEL_EXEC_NOCACHE (__PAGE_KERNEL_EXEC | _PAGE_PCD | _PAGE_PWT) -#define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) -#define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) -#define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) -#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) -#define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT) -#define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) -#define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) -#define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) - -#define __PAGE_KERNEL_IO (__PAGE_KERNEL | _PAGE_IOMAP) -#define __PAGE_KERNEL_IO_NOCACHE (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP) -#define __PAGE_KERNEL_IO_UC_MINUS (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP) -#define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC | _PAGE_IOMAP) - -#define PAGE_KERNEL __pgprot(__PAGE_KERNEL) -#define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) -#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) -#define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) -#define PAGE_KERNEL_WC __pgprot(__PAGE_KERNEL_WC) -#define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) -#define PAGE_KERNEL_UC_MINUS __pgprot(__PAGE_KERNEL_UC_MINUS) -#define PAGE_KERNEL_EXEC_NOCACHE __pgprot(__PAGE_KERNEL_EXEC_NOCACHE) -#define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) -#define PAGE_KERNEL_LARGE_NOCACHE __pgprot(__PAGE_KERNEL_LARGE_NOCACHE) -#define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) -#define PAGE_KERNEL_VSYSCALL __pgprot(__PAGE_KERNEL_VSYSCALL) -#define PAGE_KERNEL_VSYSCALL_NOCACHE __pgprot(__PAGE_KERNEL_VSYSCALL_NOCACHE) - -#define PAGE_KERNEL_IO __pgprot(__PAGE_KERNEL_IO) -#define PAGE_KERNEL_IO_NOCACHE __pgprot(__PAGE_KERNEL_IO_NOCACHE) -#define PAGE_KERNEL_IO_UC_MINUS __pgprot(__PAGE_KERNEL_IO_UC_MINUS) -#define PAGE_KERNEL_IO_WC __pgprot(__PAGE_KERNEL_IO_WC) - -/* xwr */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY_EXEC -#define __P101 PAGE_READONLY_EXEC -#define __P110 PAGE_COPY_EXEC -#define __P111 PAGE_COPY_EXEC - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY_EXEC -#define __S101 PAGE_READONLY_EXEC -#define __S110 PAGE_SHARED_EXEC -#define __S111 PAGE_SHARED_EXEC - -/* - * early identity mapping pte attrib macros. - */ -#ifdef CONFIG_X86_64 -#define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC -#else -/* - * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection - * bits are combined, this will alow user to access the high address mapped - * VDSO in the presence of CONFIG_COMPAT_VDSO - */ -#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ -#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ -#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ -#endif +#include <asm/pgtable_types.h> /* * Macro to mark a page protection value as UC- @@ -170,9 +15,6 @@ #ifndef __ASSEMBLY__ -#define pgprot_writecombine pgprot_writecombine -extern pgprot_t pgprot_writecombine(pgprot_t prot); - /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. @@ -183,6 +25,66 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; extern spinlock_t pgd_lock; extern struct list_head pgd_list; +#ifdef CONFIG_PARAVIRT +#include <asm/paravirt.h> +#else /* !CONFIG_PARAVIRT */ +#define set_pte(ptep, pte) native_set_pte(ptep, pte) +#define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte) + +#define set_pte_present(mm, addr, ptep, pte) \ + native_set_pte_present(mm, addr, ptep, pte) +#define set_pte_atomic(ptep, pte) \ + native_set_pte_atomic(ptep, pte) + +#define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd) + +#ifndef __PAGETABLE_PUD_FOLDED +#define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) +#define pgd_clear(pgd) native_pgd_clear(pgd) +#endif + +#ifndef set_pud +# define set_pud(pudp, pud) native_set_pud(pudp, pud) +#endif + +#ifndef __PAGETABLE_PMD_FOLDED +#define pud_clear(pud) native_pud_clear(pud) +#endif + +#define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep) +#define pmd_clear(pmd) native_pmd_clear(pmd) + +#define pte_update(mm, addr, ptep) do { } while (0) +#define pte_update_defer(mm, addr, ptep) do { } while (0) + +static inline void __init paravirt_pagetable_setup_start(pgd_t *base) +{ + native_pagetable_setup_start(base); +} + +static inline void __init paravirt_pagetable_setup_done(pgd_t *base) +{ + native_pagetable_setup_done(base); +} + +#define pgd_val(x) native_pgd_val(x) +#define __pgd(x) native_make_pgd(x) + +#ifndef __PAGETABLE_PUD_FOLDED +#define pud_val(x) native_pud_val(x) +#define __pud(x) native_make_pud(x) +#endif + +#ifndef __PAGETABLE_PMD_FOLDED +#define pmd_val(x) native_pmd_val(x) +#define __pmd(x) native_make_pmd(x) +#endif + +#define pte_val(x) native_pte_val(x) +#define __pte(x) native_make_pte(x) + +#endif /* CONFIG_PARAVIRT */ + /* * The following only work if pte_present() is true. * Undefined behaviour if not.. @@ -236,7 +138,7 @@ static inline unsigned long pte_pfn(pte_t pte) static inline int pmd_large(pmd_t pte) { - return (pmd_val(pte) & (_PAGE_PSE | _PAGE_PRESENT)) == + return (pmd_flags(pte) & (_PAGE_PSE | _PAGE_PRESENT)) == (_PAGE_PSE | _PAGE_PRESENT); } @@ -314,8 +216,6 @@ static inline pte_t pte_mkspecial(pte_t pte) return pte_set_flags(pte, _PAGE_SPECIAL); } -extern pteval_t __supported_pte_mask; - /* * Mask out unsupported bits in a present pgprot. Non-present pgprots * can use those bits for other purposes, so leave them be. @@ -388,82 +288,195 @@ static inline int is_new_memtype_allowed(unsigned long flags, return 1; } -#ifndef __ASSEMBLY__ -/* Indicate that x86 has its own track and untrack pfn vma functions */ -#define __HAVE_PFNMAP_TRACKING - -#define __HAVE_PHYS_MEM_ACCESS_PROT -struct file; -pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, - unsigned long size, pgprot_t vma_prot); -int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, - unsigned long size, pgprot_t *vma_prot); -#endif - -/* Install a pte for a particular vaddr in kernel space. */ -void set_pte_vaddr(unsigned long vaddr, pte_t pte); +#endif /* __ASSEMBLY__ */ #ifdef CONFIG_X86_32 -extern void native_pagetable_setup_start(pgd_t *base); -extern void native_pagetable_setup_done(pgd_t *base); +# include "pgtable_32.h" #else -static inline void native_pagetable_setup_start(pgd_t *base) {} -static inline void native_pagetable_setup_done(pgd_t *base) {} +# include "pgtable_64.h" #endif -struct seq_file; -extern void arch_report_meminfo(struct seq_file *m); +#ifndef __ASSEMBLY__ +#include <linux/mm_types.h> -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#else /* !CONFIG_PARAVIRT */ -#define set_pte(ptep, pte) native_set_pte(ptep, pte) -#define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte) +static inline int pte_none(pte_t pte) +{ + return !pte.pte; +} -#define set_pte_present(mm, addr, ptep, pte) \ - native_set_pte_present(mm, addr, ptep, pte) -#define set_pte_atomic(ptep, pte) \ - native_set_pte_atomic(ptep, pte) +#define __HAVE_ARCH_PTE_SAME +static inline int pte_same(pte_t a, pte_t b) +{ + return a.pte == b.pte; +} -#define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd) +static inline int pte_present(pte_t a) +{ + return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); +} -#ifndef __PAGETABLE_PUD_FOLDED -#define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) -#define pgd_clear(pgd) native_pgd_clear(pgd) -#endif +static inline int pmd_present(pmd_t pmd) +{ + return pmd_flags(pmd) & _PAGE_PRESENT; +} -#ifndef set_pud -# define set_pud(pudp, pud) native_set_pud(pudp, pud) -#endif +static inline int pmd_none(pmd_t pmd) +{ + /* Only check low word on 32-bit platforms, since it might be + out of sync with upper half. */ + return (unsigned long)native_pmd_val(pmd) == 0; +} -#ifndef __PAGETABLE_PMD_FOLDED -#define pud_clear(pud) native_pud_clear(pud) -#endif +static inline unsigned long pmd_page_vaddr(pmd_t pmd) +{ + return (unsigned long)__va(pmd_val(pmd) & PTE_PFN_MASK); +} -#define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep) -#define pmd_clear(pmd) native_pmd_clear(pmd) +/* + * Currently stuck as a macro due to indirect forward reference to + * linux/mmzone.h's __section_mem_map_addr() definition: + */ +#define pmd_page(pmd) pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT) -#define pte_update(mm, addr, ptep) do { } while (0) -#define pte_update_defer(mm, addr, ptep) do { } while (0) +/* + * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] + * + * this macro returns the index of the entry in the pmd page which would + * control the given virtual address + */ +static inline unsigned pmd_index(unsigned long address) +{ + return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1); +} -static inline void __init paravirt_pagetable_setup_start(pgd_t *base) +/* + * Conversion functions: convert a page and protection to a page entry, + * and a page entry and page directory to the page they refer to. + * + * (Currently stuck as a macro because of indirect forward reference + * to linux/mm.h:page_to_nid()) + */ +#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) + +/* + * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] + * + * this function returns the index of the entry in the pte page which would + * control the given virtual address + */ +static inline unsigned pte_index(unsigned long address) { - native_pagetable_setup_start(base); + return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1); } -static inline void __init paravirt_pagetable_setup_done(pgd_t *base) +static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) { - native_pagetable_setup_done(base); + return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address); } -#endif /* CONFIG_PARAVIRT */ -#endif /* __ASSEMBLY__ */ +static inline int pmd_bad(pmd_t pmd) +{ + return (pmd_flags(pmd) & ~_PAGE_USER) != _KERNPG_TABLE; +} -#ifdef CONFIG_X86_32 -# include "pgtable_32.h" +static inline unsigned long pages_to_mb(unsigned long npg) +{ + return npg >> (20 - PAGE_SHIFT); +} + +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ + remap_pfn_range(vma, vaddr, pfn, size, prot) + +#if PAGETABLE_LEVELS > 2 +static inline int pud_none(pud_t pud) +{ + return native_pud_val(pud) == 0; +} + +static inline int pud_present(pud_t pud) +{ + return pud_flags(pud) & _PAGE_PRESENT; +} + +static inline unsigned long pud_page_vaddr(pud_t pud) +{ + return (unsigned long)__va((unsigned long)pud_val(pud) & PTE_PFN_MASK); +} + +/* + * Currently stuck as a macro due to indirect forward reference to + * linux/mmzone.h's __section_mem_map_addr() definition: + */ +#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT) + +/* Find an entry in the second-level page table.. */ +static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) +{ + return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address); +} + +static inline unsigned long pmd_pfn(pmd_t pmd) +{ + return (pmd_val(pmd) & PTE_PFN_MASK) >> PAGE_SHIFT; +} + +static inline int pud_large(pud_t pud) +{ + return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) == + (_PAGE_PSE | _PAGE_PRESENT); +} + +static inline int pud_bad(pud_t pud) +{ + return (pud_flags(pud) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0; +} #else -# include "pgtable_64.h" -#endif +static inline int pud_large(pud_t pud) +{ + return 0; +} +#endif /* PAGETABLE_LEVELS > 2 */ + +#if PAGETABLE_LEVELS > 3 +static inline int pgd_present(pgd_t pgd) +{ + return pgd_flags(pgd) & _PAGE_PRESENT; +} + +static inline unsigned long pgd_page_vaddr(pgd_t pgd) +{ + return (unsigned long)__va((unsigned long)pgd_val(pgd) & PTE_PFN_MASK); +} + +/* + * Currently stuck as a macro due to indirect forward reference to + * linux/mmzone.h's __section_mem_map_addr() definition: + */ +#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) + +/* to find an entry in a page-table-directory. */ +static inline unsigned pud_index(unsigned long address) +{ + return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1); +} + +static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) +{ + return (pud_t *)pgd_page_vaddr(*pgd) + pud_index(address); +} + +static inline int pgd_bad(pgd_t pgd) +{ + return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE; +} + +static inline int pgd_none(pgd_t pgd) +{ + return !native_pgd_val(pgd); +} +#endif /* PAGETABLE_LEVELS > 3 */ + +#endif /* __ASSEMBLY__ */ /* * the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD] @@ -490,28 +503,6 @@ static inline void __init paravirt_pagetable_setup_done(pgd_t *base) #ifndef __ASSEMBLY__ -enum { - PG_LEVEL_NONE, - PG_LEVEL_4K, - PG_LEVEL_2M, - PG_LEVEL_1G, - PG_LEVEL_NUM -}; - -#ifdef CONFIG_PROC_FS -extern void update_page_count(int level, unsigned long pages); -#else -static inline void update_page_count(int level, unsigned long pages) { } -#endif - -/* - * Helper function that returns the kernel pagetable entry controlling - * the virtual address 'address'. NULL means no pagetable entry present. - * NOTE: the return type is pte_t but if the pmd is PSE then we return it - * as a pte too. - */ -extern pte_t *lookup_address(unsigned long address, unsigned int *level); - /* local pte updates need not use xchg for locking */ static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep) { diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 72b020d..97612fc 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -1,6 +1,7 @@ #ifndef _ASM_X86_PGTABLE_32_H #define _ASM_X86_PGTABLE_32_H +#include <asm/pgtable_32_types.h> /* * The Linux memory management assumes a three-level page table setup. On @@ -33,47 +34,6 @@ void paging_init(void); extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); -/* - * The Linux x86 paging architecture is 'compile-time dual-mode', it - * implements both the traditional 2-level x86 page tables and the - * newer 3-level PAE-mode page tables. - */ -#ifdef CONFIG_X86_PAE -# include <asm/pgtable-3level-defs.h> -# define PMD_SIZE (1UL << PMD_SHIFT) -# define PMD_MASK (~(PMD_SIZE - 1)) -#else -# include <asm/pgtable-2level-defs.h> -#endif - -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE - 1)) - -/* Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8 * 1024 * 1024) -#define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET) -#ifdef CONFIG_X86_PAE -#define LAST_PKMAP 512 -#else -#define LAST_PKMAP 1024 -#endif - -#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1)) \ - & PMD_MASK) - -#ifdef CONFIG_HIGHMEM -# define VMALLOC_END (PKMAP_BASE - 2 * PAGE_SIZE) -#else -# define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) -#endif - -#define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE) /* * Define this if things work differently on an i386 and an i486: @@ -85,55 +45,12 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); /* The boot page tables (all created as a single array) */ extern unsigned long pg0[]; -#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE)) - -/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */ -#define pmd_none(x) (!(unsigned long)pmd_val((x))) -#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT) -#define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) - -#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) - #ifdef CONFIG_X86_PAE # include <asm/pgtable-3level.h> #else # include <asm/pgtable-2level.h> #endif -/* - * Conversion functions: convert a page and protection to a page entry, - * and a page entry and page directory to the page they refer to. - */ -#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) - - -static inline int pud_large(pud_t pud) { return 0; } - -/* - * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] - * - * this macro returns the index of the entry in the pmd page which would - * control the given virtual address - */ -#define pmd_index(address) \ - (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)) - -/* - * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] - * - * this macro returns the index of the entry in the pte page which would - * control the given virtual address - */ -#define pte_index(address) \ - (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -#define pte_offset_kernel(dir, address) \ - ((pte_t *)pmd_page_vaddr(*(dir)) + pte_index((address))) - -#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT)) - -#define pmd_page_vaddr(pmd) \ - ((unsigned long)__va(pmd_val((pmd)) & PTE_PFN_MASK)) - #if defined(CONFIG_HIGHPTE) #define pte_offset_map(dir, address) \ ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE0) + \ @@ -176,7 +93,4 @@ do { \ #define kern_addr_valid(kaddr) (0) #endif -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - #endif /* _ASM_X86_PGTABLE_32_H */ diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h new file mode 100644 index 0000000..bd8df3b --- /dev/null +++ b/arch/x86/include/asm/pgtable_32_types.h @@ -0,0 +1,46 @@ +#ifndef _ASM_X86_PGTABLE_32_DEFS_H +#define _ASM_X86_PGTABLE_32_DEFS_H + +/* + * The Linux x86 paging architecture is 'compile-time dual-mode', it + * implements both the traditional 2-level x86 page tables and the + * newer 3-level PAE-mode page tables. + */ +#ifdef CONFIG_X86_PAE +# include <asm/pgtable-3level_types.h> +# define PMD_SIZE (1UL << PMD_SHIFT) +# define PMD_MASK (~(PMD_SIZE - 1)) +#else +# include <asm/pgtable-2level_types.h> +#endif + +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE - 1)) + +/* Just any arbitrary offset to the start of the vmalloc VM area: the + * current 8MB value just means that there will be a 8MB "hole" after the + * physical memory until the kernel virtual memory starts. That means that + * any out-of-bounds memory accesses will hopefully be caught. + * The vmalloc() routines leaves a hole of 4kB between each vmalloced + * area for the same reason. ;) + */ +#define VMALLOC_OFFSET (8 * 1024 * 1024) +#define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET) +#ifdef CONFIG_X86_PAE +#define LAST_PKMAP 512 +#else +#define LAST_PKMAP 1024 +#endif + +#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1)) \ + & PMD_MASK) + +#ifdef CONFIG_HIGHMEM +# define VMALLOC_END (PKMAP_BASE - 2 * PAGE_SIZE) +#else +# define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) +#endif + +#define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE) + +#endif /* _ASM_X86_PGTABLE_32_DEFS_H */ diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 1df9637..6b87bc6 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -2,6 +2,8 @@ #define _ASM_X86_PGTABLE_64_H #include <linux/const.h> +#include <asm/pgtable_64_types.h> + #ifndef __ASSEMBLY__ /* @@ -25,32 +27,6 @@ extern void paging_init(void); #endif /* !__ASSEMBLY__ */ -#define SHARED_KERNEL_PMD 0 - -/* - * PGDIR_SHIFT determines what a top-level page table entry can map - */ -#define PGDIR_SHIFT 39 -#define PTRS_PER_PGD 512 - -/* - * 3rd level page - */ -#define PUD_SHIFT 30 -#define PTRS_PER_PUD 512 - -/* - * PMD_SHIFT determines the size of the area a middle-level - * page table can map - */ -#define PMD_SHIFT 21 -#define PTRS_PER_PMD 512 - -/* - * entries per page directory level - */ -#define PTRS_PER_PTE 512 - #ifndef __ASSEMBLY__ #define pte_ERROR(e) \ @@ -66,9 +42,6 @@ extern void paging_init(void); printk("%s:%d: bad pgd %p(%016lx).\n", \ __FILE__, __LINE__, &(e), pgd_val(e)) -#define pgd_none(x) (!pgd_val(x)) -#define pud_none(x) (!pud_val(x)) - struct mm_struct; void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte); @@ -133,48 +106,6 @@ static inline void native_pgd_clear(pgd_t *pgd) native_set_pgd(pgd, native_make_pgd(0)); } -#define pte_same(a, b) ((a).pte == (b).pte) - -#endif /* !__ASSEMBLY__ */ - -#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) -#define PMD_MASK (~(PMD_SIZE - 1)) -#define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) -#define PUD_MASK (~(PUD_SIZE - 1)) -#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE - 1)) - - -#define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) -#define VMALLOC_START _AC(0xffffc20000000000, UL) -#define VMALLOC_END _AC(0xffffe1ffffffffff, UL) -#define VMEMMAP_START _AC(0xffffe20000000000, UL) -#define MODULES_VADDR _AC(0xffffffffa0000000, UL) -#define MODULES_END _AC(0xffffffffff000000, UL) -#define MODULES_LEN (MODULES_END - MODULES_VADDR) - -#ifndef __ASSEMBLY__ - -static inline int pgd_bad(pgd_t pgd) -{ - return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; -} - -static inline int pud_bad(pud_t pud) -{ - return (pud_val(pud) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; -} - -static inline int pmd_bad(pmd_t pmd) -{ - return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; -} - -#define pte_none(x) (!pte_val((x))) -#define pte_present(x) (pte_val((x)) & (_PAGE_PRESENT | _PAGE_PROTNONE)) - -#define pages_to_mb(x) ((x) >> (20 - PAGE_SHIFT)) /* FIXME: is this right? */ - /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. @@ -183,41 +114,12 @@ static inline int pmd_bad(pmd_t pmd) /* * Level 4 access. */ -#define pgd_page_vaddr(pgd) \ - ((unsigned long)__va((unsigned long)pgd_val((pgd)) & PTE_PFN_MASK)) -#define pgd_page(pgd) (pfn_to_page(pgd_val((pgd)) >> PAGE_SHIFT)) -#define pgd_present(pgd) (pgd_val(pgd) & _PAGE_PRESENT) static inline int pgd_large(pgd_t pgd) { return 0; } #define mk_kernel_pgd(address) __pgd((address) | _KERNPG_TABLE) /* PUD - Level3 access */ -/* to find an entry in a page-table-directory. */ -#define pud_page_vaddr(pud) \ - ((unsigned long)__va(pud_val((pud)) & PHYSICAL_PAGE_MASK)) -#define pud_page(pud) (pfn_to_page(pud_val((pud)) >> PAGE_SHIFT)) -#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1)) -#define pud_offset(pgd, address) \ - ((pud_t *)pgd_page_vaddr(*(pgd)) + pud_index((address))) -#define pud_present(pud) (pud_val((pud)) & _PAGE_PRESENT) - -static inline int pud_large(pud_t pte) -{ - return (pud_val(pte) & (_PAGE_PSE | _PAGE_PRESENT)) == - (_PAGE_PSE | _PAGE_PRESENT); -} /* PMD - Level 2 access */ -#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val((pmd)) & PTE_PFN_MASK)) -#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT)) - -#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)) -#define pmd_offset(dir, address) ((pmd_t *)pud_page_vaddr(*(dir)) + \ - pmd_index(address)) -#define pmd_none(x) (!pmd_val((x))) -#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT) -#define pfn_pmd(nr, prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val((prot)))) -#define pmd_pfn(x) ((pmd_val((x)) & __PHYSICAL_MASK) >> PAGE_SHIFT) - #define pte_to_pgoff(pte) ((pte_val((pte)) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) #define pgoff_to_pte(off) ((pte_t) { .pte = ((off) << PAGE_SHIFT) | \ _PAGE_FILE }) @@ -225,13 +127,6 @@ static inline int pud_large(pud_t pte) /* PTE - Level 1 access. */ -/* page, protection -> pte */ -#define mk_pte(page, pgprot) pfn_pte(page_to_pfn((page)), (pgprot)) - -#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + \ - pte_index((address))) - /* x86-64 always has all page tables mapped. */ #define pte_offset_map(dir, address) pte_offset_kernel((dir), (address)) #define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address)) @@ -265,9 +160,6 @@ extern int direct_gbpages; extern int kern_addr_valid(unsigned long addr); extern void cleanup_highmap(void); -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - #define HAVE_ARCH_UNMAPPED_AREA #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h new file mode 100644 index 0000000..2f59135 --- /dev/null +++ b/arch/x86/include/asm/pgtable_64_types.h @@ -0,0 +1,62 @@ +#ifndef _ASM_X86_PGTABLE_64_DEFS_H +#define _ASM_X86_PGTABLE_64_DEFS_H + +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +/* + * These are used to make use of C type-checking.. + */ +typedef unsigned long pteval_t; +typedef unsigned long pmdval_t; +typedef unsigned long pudval_t; +typedef unsigned long pgdval_t; +typedef unsigned long pgprotval_t; + +typedef struct { pteval_t pte; } pte_t; + +#endif /* !__ASSEMBLY__ */ + +#define SHARED_KERNEL_PMD 0 + +/* + * PGDIR_SHIFT determines what a top-level page table entry can map + */ +#define PGDIR_SHIFT 39 +#define PTRS_PER_PGD 512 + +/* + * 3rd level page + */ +#define PUD_SHIFT 30 +#define PTRS_PER_PUD 512 + +/* + * PMD_SHIFT determines the size of the area a middle-level + * page table can map + */ +#define PMD_SHIFT 21 +#define PTRS_PER_PMD 512 + +/* + * entries per page directory level + */ +#define PTRS_PER_PTE 512 + +#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) +#define PMD_MASK (~(PMD_SIZE - 1)) +#define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) +#define PUD_MASK (~(PUD_SIZE - 1)) +#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE - 1)) + + +#define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) +#define VMALLOC_START _AC(0xffffc20000000000, UL) +#define VMALLOC_END _AC(0xffffe1ffffffffff, UL) +#define VMEMMAP_START _AC(0xffffe20000000000, UL) +#define MODULES_VADDR _AC(0xffffffffa0000000, UL) +#define MODULES_END _AC(0xffffffffff000000, UL) +#define MODULES_LEN (MODULES_END - MODULES_VADDR) + +#endif /* _ASM_X86_PGTABLE_64_DEFS_H */ diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h new file mode 100644 index 0000000..9dafe87 --- /dev/null +++ b/arch/x86/include/asm/pgtable_types.h @@ -0,0 +1,322 @@ +#ifndef _ASM_X86_PGTABLE_DEFS_H +#define _ASM_X86_PGTABLE_DEFS_H + +#include <linux/const.h> +#include <asm/page_types.h> + +#define FIRST_USER_ADDRESS 0 + +#define _PAGE_BIT_PRESENT 0 /* is present */ +#define _PAGE_BIT_RW 1 /* writeable */ +#define _PAGE_BIT_USER 2 /* userspace addressable */ +#define _PAGE_BIT_PWT 3 /* page write through */ +#define _PAGE_BIT_PCD 4 /* page cache disabled */ +#define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ +#define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ +#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ +#define _PAGE_BIT_PAT 7 /* on 4KB pages */ +#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ +#define _PAGE_BIT_UNUSED1 9 /* available for programmer */ +#define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ +#define _PAGE_BIT_UNUSED3 11 +#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ +#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 +#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 +#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ + +/* If _PAGE_BIT_PRESENT is clear, we use these: */ +/* - if the user mapped it with PROT_NONE; pte_present gives true */ +#define _PAGE_BIT_PROTNONE _PAGE_BIT_GLOBAL +/* - set: nonlinear file mapping, saved PTE; unset:swap */ +#define _PAGE_BIT_FILE _PAGE_BIT_DIRTY + +#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) +#define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) +#define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) +#define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT) +#define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD) +#define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) +#define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) +#define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) +#define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) +#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) +#define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) +#define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) +#define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) +#define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) +#define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) +#define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST) +#define __HAVE_ARCH_PTE_SPECIAL + +#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) +#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) +#else +#define _PAGE_NX (_AT(pteval_t, 0)) +#endif + +#define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) +#define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) + +#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_DIRTY) +#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | \ + _PAGE_DIRTY) + +/* Set of bits not changed in pte_modify */ +#define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ + _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY) + +#define _PAGE_CACHE_MASK (_PAGE_PCD | _PAGE_PWT) +#define _PAGE_CACHE_WB (0) +#define _PAGE_CACHE_WC (_PAGE_PWT) +#define _PAGE_CACHE_UC_MINUS (_PAGE_PCD) +#define _PAGE_CACHE_UC (_PAGE_PCD | _PAGE_PWT) + +#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) +#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_NX) + +#define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | \ + _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_NX) +#define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED) +#define PAGE_COPY PAGE_COPY_NOEXEC +#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_NX) +#define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED) + +#define __PAGE_KERNEL_EXEC \ + (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) +#define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) + +#define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) +#define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) +#define __PAGE_KERNEL_EXEC_NOCACHE (__PAGE_KERNEL_EXEC | _PAGE_PCD | _PAGE_PWT) +#define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) +#define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) +#define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) +#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) +#define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT) +#define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) +#define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) +#define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) + +#define __PAGE_KERNEL_IO (__PAGE_KERNEL | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_NOCACHE (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_UC_MINUS (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC | _PAGE_IOMAP) + +#define PAGE_KERNEL __pgprot(__PAGE_KERNEL) +#define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) +#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) +#define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) +#define PAGE_KERNEL_WC __pgprot(__PAGE_KERNEL_WC) +#define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) +#define PAGE_KERNEL_UC_MINUS __pgprot(__PAGE_KERNEL_UC_MINUS) +#define PAGE_KERNEL_EXEC_NOCACHE __pgprot(__PAGE_KERNEL_EXEC_NOCACHE) +#define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) +#define PAGE_KERNEL_LARGE_NOCACHE __pgprot(__PAGE_KERNEL_LARGE_NOCACHE) +#define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) +#define PAGE_KERNEL_VSYSCALL __pgprot(__PAGE_KERNEL_VSYSCALL) +#define PAGE_KERNEL_VSYSCALL_NOCACHE __pgprot(__PAGE_KERNEL_VSYSCALL_NOCACHE) + +#define PAGE_KERNEL_IO __pgprot(__PAGE_KERNEL_IO) +#define PAGE_KERNEL_IO_NOCACHE __pgprot(__PAGE_KERNEL_IO_NOCACHE) +#define PAGE_KERNEL_IO_UC_MINUS __pgprot(__PAGE_KERNEL_IO_UC_MINUS) +#define PAGE_KERNEL_IO_WC __pgprot(__PAGE_KERNEL_IO_WC) + +/* xwr */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY_EXEC +#define __P101 PAGE_READONLY_EXEC +#define __P110 PAGE_COPY_EXEC +#define __P111 PAGE_COPY_EXEC + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY_EXEC +#define __S101 PAGE_READONLY_EXEC +#define __S110 PAGE_SHARED_EXEC +#define __S111 PAGE_SHARED_EXEC + +/* + * early identity mapping pte attrib macros. + */ +#ifdef CONFIG_X86_64 +#define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC +#else +/* + * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection + * bits are combined, this will alow user to access the high address mapped + * VDSO in the presence of CONFIG_COMPAT_VDSO + */ +#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ +#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ +#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ +#endif + +#ifdef CONFIG_X86_32 +# include "pgtable_32_types.h" +#else +# include "pgtable_64_types.h" +#endif + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> + +typedef struct pgprot { pgprotval_t pgprot; } pgprot_t; + +typedef struct { pgdval_t pgd; } pgd_t; + +static inline pgd_t native_make_pgd(pgdval_t val) +{ + return (pgd_t) { val }; +} + +static inline pgdval_t native_pgd_val(pgd_t pgd) +{ + return pgd.pgd; +} + +static inline pgdval_t pgd_flags(pgd_t pgd) +{ + return native_pgd_val(pgd) & PTE_FLAGS_MASK; +} + +#if PAGETABLE_LEVELS > 3 +typedef struct { pudval_t pud; } pud_t; + +static inline pud_t native_make_pud(pmdval_t val) +{ + return (pud_t) { val }; +} + +static inline pudval_t native_pud_val(pud_t pud) +{ + return pud.pud; +} +#else +#include <asm-generic/pgtable-nopud.h> + +static inline pudval_t native_pud_val(pud_t pud) +{ + return native_pgd_val(pud.pgd); +} +#endif + +#if PAGETABLE_LEVELS > 2 +typedef struct { pmdval_t pmd; } pmd_t; + +static inline pmd_t native_make_pmd(pmdval_t val) +{ + return (pmd_t) { val }; +} + +static inline pmdval_t native_pmd_val(pmd_t pmd) +{ + return pmd.pmd; +} +#else +#include <asm-generic/pgtable-nopmd.h> + +static inline pmdval_t native_pmd_val(pmd_t pmd) +{ + return native_pgd_val(pmd.pud.pgd); +} +#endif + +static inline pudval_t pud_flags(pud_t pud) +{ + return native_pud_val(pud) & PTE_FLAGS_MASK; +} + +static inline pmdval_t pmd_flags(pmd_t pmd) +{ + return native_pmd_val(pmd) & PTE_FLAGS_MASK; +} + +static inline pte_t native_make_pte(pteval_t val) +{ + return (pte_t) { .pte = val }; +} + +static inline pteval_t native_pte_val(pte_t pte) +{ + return pte.pte; +} + +static inline pteval_t pte_flags(pte_t pte) +{ + return native_pte_val(pte) & PTE_FLAGS_MASK; +} + +#define pgprot_val(x) ((x).pgprot) +#define __pgprot(x) ((pgprot_t) { (x) } ) + + +typedef struct page *pgtable_t; + +extern pteval_t __supported_pte_mask; +extern int nx_enabled; + +#define pgprot_writecombine pgprot_writecombine +extern pgprot_t pgprot_writecombine(pgprot_t prot); + +/* Indicate that x86 has its own track and untrack pfn vma functions */ +#define __HAVE_PFNMAP_TRACKING + +#define __HAVE_PHYS_MEM_ACCESS_PROT +struct file; +pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot); +int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t *vma_prot); + +/* Install a pte for a particular vaddr in kernel space. */ +void set_pte_vaddr(unsigned long vaddr, pte_t pte); + +#ifdef CONFIG_X86_32 +extern void native_pagetable_setup_start(pgd_t *base); +extern void native_pagetable_setup_done(pgd_t *base); +#else +static inline void native_pagetable_setup_start(pgd_t *base) {} +static inline void native_pagetable_setup_done(pgd_t *base) {} +#endif + +struct seq_file; +extern void arch_report_meminfo(struct seq_file *m); + +enum { + PG_LEVEL_NONE, + PG_LEVEL_4K, + PG_LEVEL_2M, + PG_LEVEL_1G, + PG_LEVEL_NUM +}; + +#ifdef CONFIG_PROC_FS +extern void update_page_count(int level, unsigned long pages); +#else +static inline void update_page_count(int level, unsigned long pages) { } +#endif + +/* + * Helper function that returns the kernel pagetable entry controlling + * the virtual address 'address'. NULL means no pagetable entry present. + * NOTE: the return type is pte_t but if the pmd is PSE then we return it + * as a pte too. + */ +extern pte_t *lookup_address(unsigned long address, unsigned int *level); + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_X86_PGTABLE_DEFS_H */ diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index a6643f6..dabab1a 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -16,6 +16,7 @@ struct mm_struct; #include <asm/cpufeature.h> #include <asm/system.h> #include <asm/page.h> +#include <asm/pgtable_types.h> #include <asm/percpu.h> #include <asm/msr.h> #include <asm/desc_defs.h> @@ -393,8 +394,14 @@ union irq_stack_union { }; DECLARE_PER_CPU(union irq_stack_union, irq_stack_union); +DECLARE_INIT_PER_CPU(irq_stack_union); + DECLARE_PER_CPU(char *, irq_stack_ptr); +#else /* X86_64 */ +#ifdef CONFIG_CC_STACKPROTECTOR +DECLARE_PER_CPU(unsigned long, stack_canary); #endif +#endif /* X86_64 */ extern void print_cpu_info(struct cpuinfo_x86 *); extern unsigned int xstate_size; diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 6d34d95..e304b66 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -28,7 +28,7 @@ struct pt_regs { int xds; int xes; int xfs; - /* int gs; */ + int xgs; long orig_eax; long eip; int xcs; @@ -50,7 +50,7 @@ struct pt_regs { unsigned long ds; unsigned long es; unsigned long fs; - /* int gs; */ + unsigned long gs; unsigned long orig_ax; unsigned long ip; unsigned long cs; diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h index 1dc1b51..14e0ed8 100644 --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -61,7 +61,7 @@ * * 26 - ESPFIX small SS * 27 - per-cpu [ offset to per-cpu data area ] - * 28 - unused + * 28 - stack_canary-20 [ for stack protector ] * 29 - unused * 30 - unused * 31 - TSS for double fault handler @@ -95,6 +95,13 @@ #define __KERNEL_PERCPU 0 #endif +#define GDT_ENTRY_STACK_CANARY (GDT_ENTRY_KERNEL_BASE + 16) +#ifdef CONFIG_CC_STACKPROTECTOR +#define __KERNEL_STACK_CANARY (GDT_ENTRY_STACK_CANARY * 8) +#else +#define __KERNEL_STACK_CANARY 0 +#endif + #define GDT_ENTRY_DOUBLEFAULT_TSS 31 /* diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index 45b4027..c230189 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h @@ -7,21 +7,6 @@ #ifndef __ASSEMBLY__ -/* Interrupt control for vSMPowered x86_64 systems */ -void vsmp_init(void); - -void setup_bios_corruption_check(void); - -#ifdef CONFIG_X86_VISWS -extern void visws_early_detect(void); -extern int is_visws_box(void); -#else -static inline void visws_early_detect(void) { } -static inline int is_visws_box(void) { return 0; } -#endif - -extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); -extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); /* * Any setup quirks to be performed? */ @@ -48,12 +33,6 @@ struct x86_quirks { int (*update_genapic)(void); }; -extern struct x86_quirks *x86_quirks; -extern unsigned long saved_video_mode; - -#ifndef CONFIG_PARAVIRT -#define paravirt_post_allocator_init() do {} while (0) -#endif #endif /* __ASSEMBLY__ */ #ifdef __i386__ @@ -76,6 +55,28 @@ extern unsigned long saved_video_mode; #ifndef __ASSEMBLY__ #include <asm/bootparam.h> +/* Interrupt control for vSMPowered x86_64 systems */ +void vsmp_init(void); + +void setup_bios_corruption_check(void); + +#ifdef CONFIG_X86_VISWS +extern void visws_early_detect(void); +extern int is_visws_box(void); +#else +static inline void visws_early_detect(void) { } +static inline int is_visws_box(void) { return 0; } +#endif + +extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); +extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); +extern struct x86_quirks *x86_quirks; +extern unsigned long saved_video_mode; + +#ifndef CONFIG_PARAVIRT +#define paravirt_post_allocator_init() do {} while (0) +#endif + #ifndef _SETUP /* diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h index 36a700a..c2d742c 100644 --- a/arch/x86/include/asm/stackprotector.h +++ b/arch/x86/include/asm/stackprotector.h @@ -1,8 +1,54 @@ +/* + * GCC stack protector support. + * + * Stack protector works by putting predefined pattern at the start of + * the stack frame and verifying that it hasn't been overwritten when + * returning from the function. The pattern is called stack canary + * and unfortunately gcc requires it to be at a fixed offset from %gs. + * On x86_64, the offset is 40 bytes and on x86_32 20 bytes. x86_64 + * and x86_32 use segment registers differently and thus handles this + * requirement differently. + * + * On x86_64, %gs is shared by percpu area and stack canary. All + * percpu symbols are zero based and %gs points to the base of percpu + * area. The first occupant of the percpu area is always + * irq_stack_union which contains stack_canary at offset 40. Userland + * %gs is always saved and restored on kernel entry and exit using + * swapgs, so stack protector doesn't add any complexity there. + * + * On x86_32, it's slightly more complicated. As in x86_64, %gs is + * used for userland TLS. Unfortunately, some processors are much + * slower at loading segment registers with different value when + * entering and leaving the kernel, so the kernel uses %fs for percpu + * area and manages %gs lazily so that %gs is switched only when + * necessary, usually during task switch. + * + * As gcc requires the stack canary at %gs:20, %gs can't be managed + * lazily if stack protector is enabled, so the kernel saves and + * restores userland %gs on kernel entry and exit. This behavior is + * controlled by CONFIG_X86_32_LAZY_GS and accessors are defined in + * system.h to hide the details. + */ + #ifndef _ASM_STACKPROTECTOR_H #define _ASM_STACKPROTECTOR_H 1 +#ifdef CONFIG_CC_STACKPROTECTOR + #include <asm/tsc.h> #include <asm/processor.h> +#include <asm/percpu.h> +#include <asm/system.h> +#include <asm/desc.h> +#include <linux/random.h> + +/* + * 24 byte read-only segment initializer for stack canary. Linker + * can't handle the address bit shifting. Address will be set in + * head_32 for boot CPU and setup_per_cpu_areas() for others. + */ +#define GDT_STACK_CANARY_INIT \ + [GDT_ENTRY_STACK_CANARY] = { { { 0x00000018, 0x00409000 } } }, /* * Initialize the stackprotector canary value. @@ -15,12 +61,9 @@ static __always_inline void boot_init_stack_canary(void) u64 canary; u64 tsc; - /* - * Build time only check to make sure the stack_canary is at - * offset 40 in the pda; this is a gcc ABI requirement - */ +#ifdef CONFIG_X86_64 BUILD_BUG_ON(offsetof(union irq_stack_union, stack_canary) != 40); - +#endif /* * We both use the random pool and the current TSC as a source * of randomness. The TSC only matters for very early init, @@ -32,7 +75,50 @@ static __always_inline void boot_init_stack_canary(void) canary += tsc + (tsc << 32UL); current->stack_canary = canary; +#ifdef CONFIG_X86_64 percpu_write(irq_stack_union.stack_canary, canary); +#else + percpu_write(stack_canary, canary); +#endif } +static inline void setup_stack_canary_segment(int cpu) +{ +#ifdef CONFIG_X86_32 + unsigned long canary = (unsigned long)&per_cpu(stack_canary, cpu) - 20; + struct desc_struct *gdt_table = get_cpu_gdt_table(cpu); + struct desc_struct desc; + + desc = gdt_table[GDT_ENTRY_STACK_CANARY]; + desc.base0 = canary & 0xffff; + desc.base1 = (canary >> 16) & 0xff; + desc.base2 = (canary >> 24) & 0xff; + write_gdt_entry(gdt_table, GDT_ENTRY_STACK_CANARY, &desc, DESCTYPE_S); +#endif +} + +static inline void load_stack_canary_segment(void) +{ +#ifdef CONFIG_X86_32 + asm("mov %0, %%gs" : : "r" (__KERNEL_STACK_CANARY) : "memory"); +#endif +} + +#else /* CC_STACKPROTECTOR */ + +#define GDT_STACK_CANARY_INIT + +/* dummy boot_init_stack_canary() is defined in linux/stackprotector.h */ + +static inline void setup_stack_canary_segment(int cpu) +{ } + +static inline void load_stack_canary_segment(void) +{ +#ifdef CONFIG_X86_32 + asm volatile ("mov %0, %%gs" : : "r" (0)); #endif +} + +#endif /* CC_STACKPROTECTOR */ +#endif /* _ASM_STACKPROTECTOR_H */ diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index c0b0bda..258ef73 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -29,21 +29,21 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *); /* X86_32 only */ #ifdef CONFIG_X86_32 /* kernel/process_32.c */ -asmlinkage int sys_fork(struct pt_regs); -asmlinkage int sys_clone(struct pt_regs); -asmlinkage int sys_vfork(struct pt_regs); -asmlinkage int sys_execve(struct pt_regs); +int sys_fork(struct pt_regs *); +int sys_clone(struct pt_regs *); +int sys_vfork(struct pt_regs *); +int sys_execve(struct pt_regs *); /* kernel/signal_32.c */ asmlinkage int sys_sigsuspend(int, int, old_sigset_t); asmlinkage int sys_sigaction(int, const struct old_sigaction __user *, struct old_sigaction __user *); -asmlinkage int sys_sigaltstack(unsigned long); -asmlinkage unsigned long sys_sigreturn(unsigned long); -asmlinkage int sys_rt_sigreturn(unsigned long); +int sys_sigaltstack(struct pt_regs *); +unsigned long sys_sigreturn(struct pt_regs *); +long sys_rt_sigreturn(struct pt_regs *); /* kernel/ioport.c */ -asmlinkage long sys_iopl(unsigned long); +long sys_iopl(struct pt_regs *); /* kernel/sys_i386_32.c */ asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long, @@ -59,8 +59,8 @@ struct oldold_utsname; asmlinkage int sys_olduname(struct oldold_utsname __user *); /* kernel/vm86_32.c */ -asmlinkage int sys_vm86old(struct pt_regs); -asmlinkage int sys_vm86(struct pt_regs); +int sys_vm86old(struct pt_regs *); +int sys_vm86(struct pt_regs *); #else /* CONFIG_X86_32 */ @@ -74,6 +74,7 @@ asmlinkage long sys_vfork(struct pt_regs *); asmlinkage long sys_execve(char __user *, char __user * __user *, char __user * __user *, struct pt_regs *); +long sys_arch_prctl(int, unsigned long); /* kernel/ioport.c */ asmlinkage long sys_iopl(unsigned int, struct pt_regs *); diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index c223837..c00bfdb 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h @@ -23,6 +23,20 @@ struct task_struct *__switch_to(struct task_struct *prev, #ifdef CONFIG_X86_32 +#ifdef CONFIG_CC_STACKPROTECTOR +#define __switch_canary \ + "movl %P[task_canary](%[next]), %%ebx\n\t" \ + "movl %%ebx, "__percpu_arg([stack_canary])"\n\t" +#define __switch_canary_oparam \ + , [stack_canary] "=m" (per_cpu_var(stack_canary)) +#define __switch_canary_iparam \ + , [task_canary] "i" (offsetof(struct task_struct, stack_canary)) +#else /* CC_STACKPROTECTOR */ +#define __switch_canary +#define __switch_canary_oparam +#define __switch_canary_iparam +#endif /* CC_STACKPROTECTOR */ + /* * Saving eflags is important. It switches not only IOPL between tasks, * it also protects other tasks from NT leaking through sysenter etc. @@ -44,6 +58,7 @@ do { \ "movl %[next_sp],%%esp\n\t" /* restore ESP */ \ "movl $1f,%[prev_ip]\n\t" /* save EIP */ \ "pushl %[next_ip]\n\t" /* restore EIP */ \ + __switch_canary \ "jmp __switch_to\n" /* regparm call */ \ "1:\t" \ "popl %%ebp\n\t" /* restore EBP */ \ @@ -58,6 +73,8 @@ do { \ "=b" (ebx), "=c" (ecx), "=d" (edx), \ "=S" (esi), "=D" (edi) \ \ + __switch_canary_oparam \ + \ /* input parameters: */ \ : [next_sp] "m" (next->thread.sp), \ [next_ip] "m" (next->thread.ip), \ @@ -66,6 +83,8 @@ do { \ [prev] "a" (prev), \ [next] "d" (next) \ \ + __switch_canary_iparam \ + \ : /* reloaded segment registers */ \ "memory"); \ } while (0) @@ -182,6 +201,25 @@ extern void native_load_gs_index(unsigned); #define savesegment(seg, value) \ asm("mov %%" #seg ",%0":"=r" (value) : : "memory") +/* + * x86_32 user gs accessors. + */ +#ifdef CONFIG_X86_32 +#ifdef CONFIG_X86_32_LAZY_GS +#define get_user_gs(regs) (u16)({unsigned long v; savesegment(gs, v); v;}) +#define set_user_gs(regs, v) loadsegment(gs, (unsigned long)(v)) +#define task_user_gs(tsk) ((tsk)->thread.gs) +#define lazy_save_gs(v) savesegment(gs, (v)) +#define lazy_load_gs(v) loadsegment(gs, (v)) +#else /* X86_32_LAZY_GS */ +#define get_user_gs(regs) (u16)((regs)->gs) +#define set_user_gs(regs, v) do { (regs)->gs = (v); } while (0) +#define task_user_gs(tsk) (task_pt_regs(tsk)->gs) +#define lazy_save_gs(v) do { } while (0) +#define lazy_load_gs(v) do { } while (0) +#endif /* X86_32_LAZY_GS */ +#endif /* X86_32 */ + static inline unsigned long get_limit(unsigned long segment) { unsigned long __limit; diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index cf3bb05..0d53425 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -41,7 +41,7 @@ dotraplinkage void do_int3(struct pt_regs *, long); dotraplinkage void do_overflow(struct pt_regs *, long); dotraplinkage void do_bounds(struct pt_regs *, long); dotraplinkage void do_invalid_op(struct pt_regs *, long); -dotraplinkage void do_device_not_available(struct pt_regs); +dotraplinkage void do_device_not_available(struct pt_regs *, long); dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long); dotraplinkage void do_invalid_TSS(struct pt_regs *, long); dotraplinkage void do_segment_not_present(struct pt_regs *, long); diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 0ec6de4..b685ece 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -186,7 +186,7 @@ extern int __get_user_bad(void); #ifdef CONFIG_X86_32 -#define __put_user_asm_u64(x, addr, err) \ +#define __put_user_asm_u64(x, addr, err, errret) \ asm volatile("1: movl %%eax,0(%2)\n" \ "2: movl %%edx,4(%2)\n" \ "3:\n" \ @@ -197,7 +197,7 @@ extern int __get_user_bad(void); _ASM_EXTABLE(1b, 4b) \ _ASM_EXTABLE(2b, 4b) \ : "=r" (err) \ - : "A" (x), "r" (addr), "i" (-EFAULT), "0" (err)) + : "A" (x), "r" (addr), "i" (errret), "0" (err)) #define __put_user_asm_ex_u64(x, addr) \ asm volatile("1: movl %%eax,0(%1)\n" \ @@ -211,8 +211,8 @@ extern int __get_user_bad(void); asm volatile("call __put_user_8" : "=a" (__ret_pu) \ : "A" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx") #else -#define __put_user_asm_u64(x, ptr, retval) \ - __put_user_asm(x, ptr, retval, "q", "", "Zr", -EFAULT) +#define __put_user_asm_u64(x, ptr, retval, errret) \ + __put_user_asm(x, ptr, retval, "q", "", "Zr", errret) #define __put_user_asm_ex_u64(x, addr) \ __put_user_asm_ex(x, addr, "q", "", "Zr") #define __put_user_x8(x, ptr, __ret_pu) __put_user_x(8, x, ptr, __ret_pu) @@ -289,7 +289,8 @@ do { \ __put_user_asm(x, ptr, retval, "l", "k", "ir", errret); \ break; \ case 8: \ - __put_user_asm_u64((__typeof__(*ptr))(x), ptr, retval); \ + __put_user_asm_u64((__typeof__(*ptr))(x), ptr, retval, \ + errret); \ break; \ default: \ __put_user_bad(); \ @@ -525,8 +526,6 @@ struct __large_struct { unsigned long buf[100]; }; */ #define get_user_try uaccess_try #define get_user_catch(err) uaccess_catch(err) -#define put_user_try uaccess_try -#define put_user_catch(err) uaccess_catch(err) #define get_user_ex(x, ptr) do { \ unsigned long __gue_val; \ @@ -534,9 +533,29 @@ struct __large_struct { unsigned long buf[100]; }; (x) = (__force __typeof__(*(ptr)))__gue_val; \ } while (0) +#ifdef CONFIG_X86_WP_WORKS_OK + +#define put_user_try uaccess_try +#define put_user_catch(err) uaccess_catch(err) + #define put_user_ex(x, ptr) \ __put_user_size_ex((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) +#else /* !CONFIG_X86_WP_WORKS_OK */ + +#define put_user_try do { \ + int __uaccess_err = 0; + +#define put_user_catch(err) \ + (err) |= __uaccess_err; \ +} while (0) + +#define put_user_ex(x, ptr) do { \ + __uaccess_err |= __put_user(x, ptr); \ +} while (0) + +#endif /* CONFIG_X86_WP_WORKS_OK */ + /* * movsl can be slow when source and dest are not both 8-byte aligned */ diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h index 8ac1d7e..8242bf9 100644 --- a/arch/x86/include/asm/uv/uv.h +++ b/arch/x86/include/asm/uv/uv.h @@ -3,6 +3,9 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; +struct cpumask; +struct mm_struct; + #ifdef CONFIG_X86_UV extern enum uv_system_type get_uv_system_type(void); diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index 81fbd73..d5b7e90 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -38,22 +38,30 @@ extern struct shared_info *HYPERVISOR_shared_info; extern struct start_info *xen_start_info; enum xen_domain_type { - XEN_NATIVE, - XEN_PV_DOMAIN, - XEN_HVM_DOMAIN, + XEN_NATIVE, /* running on bare hardware */ + XEN_PV_DOMAIN, /* running in a PV domain */ + XEN_HVM_DOMAIN, /* running in a Xen hvm domain */ }; -extern enum xen_domain_type xen_domain_type; - #ifdef CONFIG_XEN -#define xen_domain() (xen_domain_type != XEN_NATIVE) +extern enum xen_domain_type xen_domain_type; #else -#define xen_domain() (0) +#define xen_domain_type XEN_NATIVE #endif -#define xen_pv_domain() (xen_domain() && xen_domain_type == XEN_PV_DOMAIN) -#define xen_hvm_domain() (xen_domain() && xen_domain_type == XEN_HVM_DOMAIN) +#define xen_domain() (xen_domain_type != XEN_NATIVE) +#define xen_pv_domain() (xen_domain() && \ + xen_domain_type == XEN_PV_DOMAIN) +#define xen_hvm_domain() (xen_domain() && \ + xen_domain_type == XEN_HVM_DOMAIN) + +#ifdef CONFIG_XEN_DOM0 +#include <xen/interface/xen.h> -#define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN) +#define xen_initial_domain() (xen_pv_domain() && \ + xen_start_info->flags & SIF_INITDOMAIN) +#else /* !CONFIG_XEN_DOM0 */ +#define xen_initial_domain() (0) +#endif /* CONFIG_XEN_DOM0 */ #endif /* _ASM_X86_XEN_HYPERVISOR_H */ diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index bba162c8..956c1de 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -108,35 +108,18 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_PIC; */ char *__init __acpi_map_table(unsigned long phys, unsigned long size) { - unsigned long base, offset, mapped_size; - int idx; if (!phys || !size) return NULL; - if (phys+size <= (max_low_pfn_mapped << PAGE_SHIFT)) - return __va(phys); - - offset = phys & (PAGE_SIZE - 1); - mapped_size = PAGE_SIZE - offset; - clear_fixmap(FIX_ACPI_END); - set_fixmap(FIX_ACPI_END, phys); - base = fix_to_virt(FIX_ACPI_END); - - /* - * Most cases can be covered by the below. - */ - idx = FIX_ACPI_END; - while (mapped_size < size) { - if (--idx < FIX_ACPI_BEGIN) - return NULL; /* cannot handle this */ - phys += PAGE_SIZE; - clear_fixmap(idx); - set_fixmap(idx, phys); - mapped_size += PAGE_SIZE; - } + return early_ioremap(phys, size); +} +void __init __acpi_unmap_table(char *map, unsigned long size) +{ + if (!map || !size) + return; - return ((unsigned char *)base + offset); + early_iounmap(map, size); } #ifdef CONFIG_PCI_MMCONFIG diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index c03f4cc..a894eea 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -555,7 +555,8 @@ static void __init lapic_cal_handler(struct clock_event_device *dev) } } -static int __init calibrate_by_pmtimer(long deltapm, long *delta) +static int __init +calibrate_by_pmtimer(long deltapm, long *delta, long *deltatsc) { const long pm_100ms = PMTMR_TICKS_PER_SEC / 10; const long pm_thresh = pm_100ms / 100; @@ -566,7 +567,7 @@ static int __init calibrate_by_pmtimer(long deltapm, long *delta) return -1; #endif - apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm); + apic_printk(APIC_VERBOSE, "... PM-Timer delta = %ld\n", deltapm); /* Check, if the PM timer is available */ if (!deltapm) @@ -576,19 +577,30 @@ static int __init calibrate_by_pmtimer(long deltapm, long *delta) if (deltapm > (pm_100ms - pm_thresh) && deltapm < (pm_100ms + pm_thresh)) { - apic_printk(APIC_VERBOSE, "... PM timer result ok\n"); - } else { - res = (((u64)deltapm) * mult) >> 22; - do_div(res, 1000000); - pr_warning("APIC calibration not consistent " - "with PM Timer: %ldms instead of 100ms\n", - (long)res); - /* Correct the lapic counter value */ - res = (((u64)(*delta)) * pm_100ms); + apic_printk(APIC_VERBOSE, "... PM-Timer result ok\n"); + return 0; + } + + res = (((u64)deltapm) * mult) >> 22; + do_div(res, 1000000); + pr_warning("APIC calibration not consistent " + "with PM-Timer: %ldms instead of 100ms\n",(long)res); + + /* Correct the lapic counter value */ + res = (((u64)(*delta)) * pm_100ms); + do_div(res, deltapm); + pr_info("APIC delta adjusted to PM-Timer: " + "%lu (%ld)\n", (unsigned long)res, *delta); + *delta = (long)res; + + /* Correct the tsc counter value */ + if (cpu_has_tsc) { + res = (((u64)(*deltatsc)) * pm_100ms); do_div(res, deltapm); - pr_info("APIC delta adjusted to PM-Timer: " - "%lu (%ld)\n", (unsigned long)res, *delta); - *delta = (long)res; + apic_printk(APIC_VERBOSE, "TSC delta adjusted to " + "PM-Timer: %lu (%ld) \n", + (unsigned long)res, *deltatsc); + *deltatsc = (long)res; } return 0; @@ -599,7 +611,7 @@ static int __init calibrate_APIC_clock(void) struct clock_event_device *levt = &__get_cpu_var(lapic_events); void (*real_handler)(struct clock_event_device *dev); unsigned long deltaj; - long delta; + long delta, deltatsc; int pm_referenced = 0; local_irq_disable(); @@ -629,9 +641,11 @@ static int __init calibrate_APIC_clock(void) delta = lapic_cal_t1 - lapic_cal_t2; apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta); + deltatsc = (long)(lapic_cal_tsc2 - lapic_cal_tsc1); + /* we trust the PM based calibration if possible */ pm_referenced = !calibrate_by_pmtimer(lapic_cal_pm2 - lapic_cal_pm1, - &delta); + &delta, &deltatsc); /* Calculate the scaled math multiplication factor */ lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS, @@ -649,11 +663,10 @@ static int __init calibrate_APIC_clock(void) calibration_result); if (cpu_has_tsc) { - delta = (long)(lapic_cal_tsc2 - lapic_cal_tsc1); apic_printk(APIC_VERBOSE, "..... CPU clock speed is " "%ld.%04ld MHz.\n", - (delta / LAPIC_CAL_LOOPS) / (1000000 / HZ), - (delta / LAPIC_CAL_LOOPS) % (1000000 / HZ)); + (deltatsc / LAPIC_CAL_LOOPS) / (1000000 / HZ), + (deltatsc / LAPIC_CAL_LOOPS) % (1000000 / HZ)); } apic_printk(APIC_VERBOSE, "..... host bus clock speed is " diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c index ee4df08..fbf2f33 100644 --- a/arch/x86/kernel/asm-offsets_32.c +++ b/arch/x86/kernel/asm-offsets_32.c @@ -75,6 +75,7 @@ void foo(void) OFFSET(PT_DS, pt_regs, ds); OFFSET(PT_ES, pt_regs, es); OFFSET(PT_FS, pt_regs, fs); + OFFSET(PT_GS, pt_regs, gs); OFFSET(PT_ORIG_EAX, pt_regs, orig_ax); OFFSET(PT_EIP, pt_regs, ip); OFFSET(PT_CS, pt_regs, cs); diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index cbcdb79..4db150e 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -39,6 +39,7 @@ #include <asm/sections.h> #include <asm/setup.h> #include <asm/hypervisor.h> +#include <asm/stackprotector.h> #include "cpu.h" @@ -122,6 +123,7 @@ DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { [GDT_ENTRY_ESPFIX_SS] = { { { 0x00000000, 0x00c09200 } } }, [GDT_ENTRY_PERCPU] = { { { 0x0000ffff, 0x00cf9200 } } }, + GDT_STACK_CANARY_INIT #endif } }; EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); @@ -252,9 +254,9 @@ static void __cpuinit filter_cpuid_features(struct cpuinfo_x86 *c, bool warn) * signs here... */ if (cpu_has(c, df->feature) && - ((s32)df->feature < 0 ? - (u32)df->feature > (u32)c->extended_cpuid_level : - (s32)df->feature > (s32)c->cpuid_level)) { + ((s32)df->level < 0 ? + (u32)df->level > (u32)c->extended_cpuid_level : + (s32)df->level > (s32)c->cpuid_level)) { clear_cpu_cap(c, df->feature); if (warn) printk(KERN_WARNING @@ -264,7 +266,7 @@ static void __cpuinit filter_cpuid_features(struct cpuinfo_x86 *c, bool warn) df->level); } } -} +} /* * Naming convention should be: <Name> [(<Codename>)] @@ -304,6 +306,7 @@ void load_percpu_segment(int cpu) loadsegment(gs, 0); wrmsrl(MSR_GS_BASE, (unsigned long)per_cpu(irq_stack_union.gs_base, cpu)); #endif + load_stack_canary_segment(); } /* Current gdt points %fs at the "master" per-cpu area: after this, @@ -938,12 +941,8 @@ struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table }; DEFINE_PER_CPU_FIRST(union irq_stack_union, irq_stack_union) __aligned(PAGE_SIZE); -#ifdef CONFIG_SMP -DEFINE_PER_CPU(char *, irq_stack_ptr); /* will be set during per cpu init */ -#else DEFINE_PER_CPU(char *, irq_stack_ptr) = - per_cpu_var(irq_stack_union.irq_stack) + IRQ_STACK_SIZE - 64; -#endif + init_per_cpu_var(irq_stack_union.irq_stack) + IRQ_STACK_SIZE - 64; DEFINE_PER_CPU(unsigned long, kernel_stack) = (unsigned long)&init_thread_union - KERNEL_STACK_OFFSET + THREAD_SIZE; @@ -986,16 +985,21 @@ unsigned long kernel_eflags; */ DEFINE_PER_CPU(struct orig_ist, orig_ist); -#else +#else /* x86_64 */ -/* Make sure %fs is initialized properly in idle threads */ +#ifdef CONFIG_CC_STACKPROTECTOR +DEFINE_PER_CPU(unsigned long, stack_canary); +#endif + +/* Make sure %fs and %gs are initialized properly in idle threads */ struct pt_regs * __cpuinit idle_regs(struct pt_regs *regs) { memset(regs, 0, sizeof(struct pt_regs)); regs->fs = __KERNEL_PERCPU; + regs->gs = __KERNEL_STACK_CANARY; return regs; } -#endif +#endif /* x86_64 */ /* * cpu_init() initializes state that is per-CPU. Some data is already @@ -1157,9 +1161,6 @@ void __cpuinit cpu_init(void) __set_tss_desc(cpu, GDT_ENTRY_DOUBLEFAULT_TSS, &doublefault_tss); #endif - /* Clear %gs. */ - asm volatile ("mov %0, %%gs" : : "r" (0)); - /* Clear all 6 debug registers: */ set_debugreg(0, 0); set_debugreg(0, 1); diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 6b1f6f6..87d103d 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -99,7 +99,7 @@ print_context_stack(struct thread_info *tinfo, frame = frame->next_frame; bp = (unsigned long) frame; } else { - ops->address(data, addr, bp == 0); + ops->address(data, addr, 0); } print_ftrace_graph_addr(addr, data, ops, tinfo, graph); } diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 504ad19..639ad98 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -13,8 +13,8 @@ #include <asm/setup.h> #include <xen/hvc-console.h> #include <asm/pci-direct.h> -#include <asm/pgtable.h> #include <asm/fixmap.h> +#include <asm/pgtable.h> #include <linux/usb/ehci_def.h> /* Simple VGA output */ diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 65efd42..e992068 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -30,12 +30,13 @@ * 1C(%esp) - %ds * 20(%esp) - %es * 24(%esp) - %fs - * 28(%esp) - orig_eax - * 2C(%esp) - %eip - * 30(%esp) - %cs - * 34(%esp) - %eflags - * 38(%esp) - %oldesp - * 3C(%esp) - %oldss + * 28(%esp) - %gs saved iff !CONFIG_X86_32_LAZY_GS + * 2C(%esp) - orig_eax + * 30(%esp) - %eip + * 34(%esp) - %cs + * 38(%esp) - %eflags + * 3C(%esp) - %oldesp + * 40(%esp) - %oldss * * "current" is in register %ebx during any slow entries. */ @@ -101,121 +102,221 @@ #define resume_userspace_sig resume_userspace #endif -#define SAVE_ALL \ - cld; \ - pushl %fs; \ - CFI_ADJUST_CFA_OFFSET 4;\ - /*CFI_REL_OFFSET fs, 0;*/\ - pushl %es; \ - CFI_ADJUST_CFA_OFFSET 4;\ - /*CFI_REL_OFFSET es, 0;*/\ - pushl %ds; \ - CFI_ADJUST_CFA_OFFSET 4;\ - /*CFI_REL_OFFSET ds, 0;*/\ - pushl %eax; \ - CFI_ADJUST_CFA_OFFSET 4;\ - CFI_REL_OFFSET eax, 0;\ - pushl %ebp; \ - CFI_ADJUST_CFA_OFFSET 4;\ - CFI_REL_OFFSET ebp, 0;\ - pushl %edi; \ - CFI_ADJUST_CFA_OFFSET 4;\ - CFI_REL_OFFSET edi, 0;\ - pushl %esi; \ - CFI_ADJUST_CFA_OFFSET 4;\ - CFI_REL_OFFSET esi, 0;\ - pushl %edx; \ - CFI_ADJUST_CFA_OFFSET 4;\ - CFI_REL_OFFSET edx, 0;\ - pushl %ecx; \ - CFI_ADJUST_CFA_OFFSET 4;\ - CFI_REL_OFFSET ecx, 0;\ - pushl %ebx; \ - CFI_ADJUST_CFA_OFFSET 4;\ - CFI_REL_OFFSET ebx, 0;\ - movl $(__USER_DS), %edx; \ - movl %edx, %ds; \ - movl %edx, %es; \ - movl $(__KERNEL_PERCPU), %edx; \ +/* + * User gs save/restore + * + * %gs is used for userland TLS and kernel only uses it for stack + * canary which is required to be at %gs:20 by gcc. Read the comment + * at the top of stackprotector.h for more info. + * + * Local labels 98 and 99 are used. + */ +#ifdef CONFIG_X86_32_LAZY_GS + + /* unfortunately push/pop can't be no-op */ +.macro PUSH_GS + pushl $0 + CFI_ADJUST_CFA_OFFSET 4 +.endm +.macro POP_GS pop=0 + addl $(4 + \pop), %esp + CFI_ADJUST_CFA_OFFSET -(4 + \pop) +.endm +.macro POP_GS_EX +.endm + + /* all the rest are no-op */ +.macro PTGS_TO_GS +.endm +.macro PTGS_TO_GS_EX +.endm +.macro GS_TO_REG reg +.endm +.macro REG_TO_PTGS reg +.endm +.macro SET_KERNEL_GS reg +.endm + +#else /* CONFIG_X86_32_LAZY_GS */ + +.macro PUSH_GS + pushl %gs + CFI_ADJUST_CFA_OFFSET 4 + /*CFI_REL_OFFSET gs, 0*/ +.endm + +.macro POP_GS pop=0 +98: popl %gs + CFI_ADJUST_CFA_OFFSET -4 + /*CFI_RESTORE gs*/ + .if \pop <> 0 + add $\pop, %esp + CFI_ADJUST_CFA_OFFSET -\pop + .endif +.endm +.macro POP_GS_EX +.pushsection .fixup, "ax" +99: movl $0, (%esp) + jmp 98b +.section __ex_table, "a" + .align 4 + .long 98b, 99b +.popsection +.endm + +.macro PTGS_TO_GS +98: mov PT_GS(%esp), %gs +.endm +.macro PTGS_TO_GS_EX +.pushsection .fixup, "ax" +99: movl $0, PT_GS(%esp) + jmp 98b +.section __ex_table, "a" + .align 4 + .long 98b, 99b +.popsection +.endm + +.macro GS_TO_REG reg + movl %gs, \reg + /*CFI_REGISTER gs, \reg*/ +.endm +.macro REG_TO_PTGS reg + movl \reg, PT_GS(%esp) + /*CFI_REL_OFFSET gs, PT_GS*/ +.endm +.macro SET_KERNEL_GS reg + movl $(__KERNEL_STACK_CANARY), \reg + movl \reg, %gs +.endm + +#endif /* CONFIG_X86_32_LAZY_GS */ + +.macro SAVE_ALL + cld + PUSH_GS + pushl %fs + CFI_ADJUST_CFA_OFFSET 4 + /*CFI_REL_OFFSET fs, 0;*/ + pushl %es + CFI_ADJUST_CFA_OFFSET 4 + /*CFI_REL_OFFSET es, 0;*/ + pushl %ds + CFI_ADJUST_CFA_OFFSET 4 + /*CFI_REL_OFFSET ds, 0;*/ + pushl %eax + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET eax, 0 + pushl %ebp + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ebp, 0 + pushl %edi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edi, 0 + pushl %esi + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET esi, 0 + pushl %edx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET edx, 0 + pushl %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx, 0 + pushl %ebx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ebx, 0 + movl $(__USER_DS), %edx + movl %edx, %ds + movl %edx, %es + movl $(__KERNEL_PERCPU), %edx movl %edx, %fs + SET_KERNEL_GS %edx +.endm -#define RESTORE_INT_REGS \ - popl %ebx; \ - CFI_ADJUST_CFA_OFFSET -4;\ - CFI_RESTORE ebx;\ - popl %ecx; \ - CFI_ADJUST_CFA_OFFSET -4;\ - CFI_RESTORE ecx;\ - popl %edx; \ - CFI_ADJUST_CFA_OFFSET -4;\ - CFI_RESTORE edx;\ - popl %esi; \ - CFI_ADJUST_CFA_OFFSET -4;\ - CFI_RESTORE esi;\ - popl %edi; \ - CFI_ADJUST_CFA_OFFSET -4;\ - CFI_RESTORE edi;\ - popl %ebp; \ - CFI_ADJUST_CFA_OFFSET -4;\ - CFI_RESTORE ebp;\ - popl %eax; \ - CFI_ADJUST_CFA_OFFSET -4;\ +.macro RESTORE_INT_REGS + popl %ebx + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE ebx + popl %ecx + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE ecx + popl %edx + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE edx + popl %esi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE esi + popl %edi + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE edi + popl %ebp + CFI_ADJUST_CFA_OFFSET -4 + CFI_RESTORE ebp + popl %eax + CFI_ADJUST_CFA_OFFSET -4 CFI_RESTORE eax +.endm -#define RESTORE_REGS \ - RESTORE_INT_REGS; \ -1: popl %ds; \ - CFI_ADJUST_CFA_OFFSET -4;\ - /*CFI_RESTORE ds;*/\ -2: popl %es; \ - CFI_ADJUST_CFA_OFFSET -4;\ - /*CFI_RESTORE es;*/\ -3: popl %fs; \ - CFI_ADJUST_CFA_OFFSET -4;\ - /*CFI_RESTORE fs;*/\ -.pushsection .fixup,"ax"; \ -4: movl $0,(%esp); \ - jmp 1b; \ -5: movl $0,(%esp); \ - jmp 2b; \ -6: movl $0,(%esp); \ - jmp 3b; \ -.section __ex_table,"a";\ - .align 4; \ - .long 1b,4b; \ - .long 2b,5b; \ - .long 3b,6b; \ +.macro RESTORE_REGS pop=0 + RESTORE_INT_REGS +1: popl %ds + CFI_ADJUST_CFA_OFFSET -4 + /*CFI_RESTORE ds;*/ +2: popl %es + CFI_ADJUST_CFA_OFFSET -4 + /*CFI_RESTORE es;*/ +3: popl %fs + CFI_ADJUST_CFA_OFFSET -4 + /*CFI_RESTORE fs;*/ + POP_GS \pop +.pushsection .fixup, "ax" +4: movl $0, (%esp) + jmp 1b +5: movl $0, (%esp) + jmp 2b +6: movl $0, (%esp) + jmp 3b +.section __ex_table, "a" + .align 4 + .long 1b, 4b + .long 2b, 5b + .long 3b, 6b .popsection + POP_GS_EX +.endm -#define RING0_INT_FRAME \ - CFI_STARTPROC simple;\ - CFI_SIGNAL_FRAME;\ - CFI_DEF_CFA esp, 3*4;\ - /*CFI_OFFSET cs, -2*4;*/\ +.macro RING0_INT_FRAME + CFI_STARTPROC simple + CFI_SIGNAL_FRAME + CFI_DEF_CFA esp, 3*4 + /*CFI_OFFSET cs, -2*4;*/ CFI_OFFSET eip, -3*4 +.endm -#define RING0_EC_FRAME \ - CFI_STARTPROC simple;\ - CFI_SIGNAL_FRAME;\ - CFI_DEF_CFA esp, 4*4;\ - /*CFI_OFFSET cs, -2*4;*/\ +.macro RING0_EC_FRAME + CFI_STARTPROC simple + CFI_SIGNAL_FRAME + CFI_DEF_CFA esp, 4*4 + /*CFI_OFFSET cs, -2*4;*/ CFI_OFFSET eip, -3*4 +.endm -#define RING0_PTREGS_FRAME \ - CFI_STARTPROC simple;\ - CFI_SIGNAL_FRAME;\ - CFI_DEF_CFA esp, PT_OLDESP-PT_EBX;\ - /*CFI_OFFSET cs, PT_CS-PT_OLDESP;*/\ - CFI_OFFSET eip, PT_EIP-PT_OLDESP;\ - /*CFI_OFFSET es, PT_ES-PT_OLDESP;*/\ - /*CFI_OFFSET ds, PT_DS-PT_OLDESP;*/\ - CFI_OFFSET eax, PT_EAX-PT_OLDESP;\ - CFI_OFFSET ebp, PT_EBP-PT_OLDESP;\ - CFI_OFFSET edi, PT_EDI-PT_OLDESP;\ - CFI_OFFSET esi, PT_ESI-PT_OLDESP;\ - CFI_OFFSET edx, PT_EDX-PT_OLDESP;\ - CFI_OFFSET ecx, PT_ECX-PT_OLDESP;\ +.macro RING0_PTREGS_FRAME + CFI_STARTPROC simple + CFI_SIGNAL_FRAME + CFI_DEF_CFA esp, PT_OLDESP-PT_EBX + /*CFI_OFFSET cs, PT_CS-PT_OLDESP;*/ + CFI_OFFSET eip, PT_EIP-PT_OLDESP + /*CFI_OFFSET es, PT_ES-PT_OLDESP;*/ + /*CFI_OFFSET ds, PT_DS-PT_OLDESP;*/ + CFI_OFFSET eax, PT_EAX-PT_OLDESP + CFI_OFFSET ebp, PT_EBP-PT_OLDESP + CFI_OFFSET edi, PT_EDI-PT_OLDESP + CFI_OFFSET esi, PT_ESI-PT_OLDESP + CFI_OFFSET edx, PT_EDX-PT_OLDESP + CFI_OFFSET ecx, PT_ECX-PT_OLDESP CFI_OFFSET ebx, PT_EBX-PT_OLDESP +.endm ENTRY(ret_from_fork) CFI_STARTPROC @@ -362,6 +463,7 @@ sysenter_exit: xorl %ebp,%ebp TRACE_IRQS_ON 1: mov PT_FS(%esp), %fs + PTGS_TO_GS ENABLE_INTERRUPTS_SYSEXIT #ifdef CONFIG_AUDITSYSCALL @@ -410,6 +512,7 @@ sysexit_audit: .align 4 .long 1b,2b .popsection + PTGS_TO_GS_EX ENDPROC(ia32_sysenter_target) # system call handler stub @@ -452,8 +555,7 @@ restore_all: restore_nocheck: TRACE_IRQS_IRET restore_nocheck_notrace: - RESTORE_REGS - addl $4, %esp # skip orig_eax/error_code + RESTORE_REGS 4 # skip orig_eax/error_code CFI_ADJUST_CFA_OFFSET -4 irq_return: INTERRUPT_RETURN @@ -595,28 +697,50 @@ syscall_badsys: END(syscall_badsys) CFI_ENDPROC -#define FIXUP_ESPFIX_STACK \ - /* since we are on a wrong stack, we cant make it a C code :( */ \ - PER_CPU(gdt_page, %ebx); \ - GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah); \ - addl %esp, %eax; \ - pushl $__KERNEL_DS; \ - CFI_ADJUST_CFA_OFFSET 4; \ - pushl %eax; \ - CFI_ADJUST_CFA_OFFSET 4; \ - lss (%esp), %esp; \ - CFI_ADJUST_CFA_OFFSET -8; -#define UNWIND_ESPFIX_STACK \ - movl %ss, %eax; \ - /* see if on espfix stack */ \ - cmpw $__ESPFIX_SS, %ax; \ - jne 27f; \ - movl $__KERNEL_DS, %eax; \ - movl %eax, %ds; \ - movl %eax, %es; \ - /* switch to normal stack */ \ - FIXUP_ESPFIX_STACK; \ -27:; +/* + * System calls that need a pt_regs pointer. + */ +#define PTREGSCALL(name) \ + ALIGN; \ +ptregs_##name: \ + leal 4(%esp),%eax; \ + jmp sys_##name; + +PTREGSCALL(iopl) +PTREGSCALL(fork) +PTREGSCALL(clone) +PTREGSCALL(vfork) +PTREGSCALL(execve) +PTREGSCALL(sigaltstack) +PTREGSCALL(sigreturn) +PTREGSCALL(rt_sigreturn) +PTREGSCALL(vm86) +PTREGSCALL(vm86old) + +.macro FIXUP_ESPFIX_STACK + /* since we are on a wrong stack, we cant make it a C code :( */ + PER_CPU(gdt_page, %ebx) + GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah) + addl %esp, %eax + pushl $__KERNEL_DS + CFI_ADJUST_CFA_OFFSET 4 + pushl %eax + CFI_ADJUST_CFA_OFFSET 4 + lss (%esp), %esp + CFI_ADJUST_CFA_OFFSET -8 +.endm +.macro UNWIND_ESPFIX_STACK + movl %ss, %eax + /* see if on espfix stack */ + cmpw $__ESPFIX_SS, %ax + jne 27f + movl $__KERNEL_DS, %eax + movl %eax, %ds + movl %eax, %es + /* switch to normal stack */ + FIXUP_ESPFIX_STACK +27: +.endm /* * Build the entry stubs and pointer table with some assembler magic. @@ -1070,7 +1194,10 @@ ENTRY(page_fault) CFI_ADJUST_CFA_OFFSET 4 ALIGN error_code: - /* the function address is in %fs's slot on the stack */ + /* the function address is in %gs's slot on the stack */ + pushl %fs + CFI_ADJUST_CFA_OFFSET 4 + /*CFI_REL_OFFSET fs, 0*/ pushl %es CFI_ADJUST_CFA_OFFSET 4 /*CFI_REL_OFFSET es, 0*/ @@ -1099,20 +1226,15 @@ error_code: CFI_ADJUST_CFA_OFFSET 4 CFI_REL_OFFSET ebx, 0 cld - pushl %fs - CFI_ADJUST_CFA_OFFSET 4 - /*CFI_REL_OFFSET fs, 0*/ movl $(__KERNEL_PERCPU), %ecx movl %ecx, %fs UNWIND_ESPFIX_STACK - popl %ecx - CFI_ADJUST_CFA_OFFSET -4 - /*CFI_REGISTER es, ecx*/ - movl PT_FS(%esp), %edi # get the function address + GS_TO_REG %ecx + movl PT_GS(%esp), %edi # get the function address movl PT_ORIG_EAX(%esp), %edx # get the error code movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart - mov %ecx, PT_FS(%esp) - /*CFI_REL_OFFSET fs, ES*/ + REG_TO_PTGS %ecx + SET_KERNEL_GS %ecx movl $(__USER_DS), %ecx movl %ecx, %ds movl %ecx, %es @@ -1136,26 +1258,27 @@ END(page_fault) * by hand onto the new stack - while updating the return eip past * the instruction that would have done it for sysenter. */ -#define FIX_STACK(offset, ok, label) \ - cmpw $__KERNEL_CS,4(%esp); \ - jne ok; \ -label: \ - movl TSS_sysenter_sp0+offset(%esp),%esp; \ - CFI_DEF_CFA esp, 0; \ - CFI_UNDEFINED eip; \ - pushfl; \ - CFI_ADJUST_CFA_OFFSET 4; \ - pushl $__KERNEL_CS; \ - CFI_ADJUST_CFA_OFFSET 4; \ - pushl $sysenter_past_esp; \ - CFI_ADJUST_CFA_OFFSET 4; \ +.macro FIX_STACK offset ok label + cmpw $__KERNEL_CS, 4(%esp) + jne \ok +\label: + movl TSS_sysenter_sp0 + \offset(%esp), %esp + CFI_DEF_CFA esp, 0 + CFI_UNDEFINED eip + pushfl + CFI_ADJUST_CFA_OFFSET 4 + pushl $__KERNEL_CS + CFI_ADJUST_CFA_OFFSET 4 + pushl $sysenter_past_esp + CFI_ADJUST_CFA_OFFSET 4 CFI_REL_OFFSET eip, 0 +.endm ENTRY(debug) RING0_INT_FRAME cmpl $ia32_sysenter_target,(%esp) jne debug_stack_correct - FIX_STACK(12, debug_stack_correct, debug_esp_fix_insn) + FIX_STACK 12, debug_stack_correct, debug_esp_fix_insn debug_stack_correct: pushl $-1 # mark this as an int CFI_ADJUST_CFA_OFFSET 4 @@ -1213,7 +1336,7 @@ nmi_stack_correct: nmi_stack_fixup: RING0_INT_FRAME - FIX_STACK(12,nmi_stack_correct, 1) + FIX_STACK 12, nmi_stack_correct, 1 jmp nmi_stack_correct nmi_debug_stack_check: @@ -1224,7 +1347,7 @@ nmi_debug_stack_check: jb nmi_stack_correct cmpl $debug_esp_fix_insn,(%esp) ja nmi_stack_correct - FIX_STACK(24,nmi_stack_correct, 1) + FIX_STACK 24, nmi_stack_correct, 1 jmp nmi_stack_correct nmi_espfix_stack: diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c index d6184c1..55515d7 100644 --- a/arch/x86/kernel/es7000_32.c +++ b/arch/x86/kernel/es7000_32.c @@ -287,24 +287,31 @@ int __init find_unisys_acpi_oem_table(unsigned long *oem_addr) { struct acpi_table_header *header = NULL; int i = 0; + acpi_size tbl_size; - while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) { + while (ACPI_SUCCESS(acpi_get_table_with_size("OEM1", i++, &header, &tbl_size))) { if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) { struct oem_table *t = (struct oem_table *)header; oem_addrX = t->OEMTableAddr; oem_size = t->OEMTableSize; + early_acpi_os_unmap_memory(header, tbl_size); *oem_addr = (unsigned long)__acpi_map_table(oem_addrX, oem_size); return 0; } + early_acpi_os_unmap_memory(header, tbl_size); } return -1; } void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr) { + if (!oem_addr) + return; + + __acpi_unmap_table((char *)oem_addr, oem_size); } #endif diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 722464c..2a0aad7 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -19,6 +19,7 @@ #include <asm/asm-offsets.h> #include <asm/setup.h> #include <asm/processor-flags.h> +#include <asm/percpu.h> /* Physical address */ #define pa(X) ((X) - __PAGE_OFFSET) @@ -437,8 +438,26 @@ is386: movl $2,%ecx # set MP movl $(__KERNEL_PERCPU), %eax movl %eax,%fs # set this cpu's percpu - xorl %eax,%eax # Clear GS and LDT +#ifdef CONFIG_CC_STACKPROTECTOR + /* + * The linker can't handle this by relocation. Manually set + * base address in stack canary segment descriptor. + */ + cmpb $0,ready + jne 1f + movl $per_cpu__gdt_page,%eax + movl $per_cpu__stack_canary,%ecx + subl $20, %ecx + movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax) + shrl $16, %ecx + movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax) + movb %ch, 8 * GDT_ENTRY_STACK_CANARY + 7(%eax) +1: +#endif + movl $(__KERNEL_STACK_CANARY),%eax movl %eax,%gs + + xorl %eax,%eax # Clear LDT lldt %ax cld # gcc2 wants the direction flag cleared at all times diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index a0a2b5c..2e648e3 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -205,19 +205,6 @@ ENTRY(secondary_startup_64) pushq $0 popfq -#ifdef CONFIG_SMP - /* - * Fix up static pointers that need __per_cpu_load added. The assembler - * is unable to do this directly. This is only needed for the boot cpu. - * These values are set up with the correct base addresses by C code for - * secondary cpus. - */ - movq initial_gs(%rip), %rax - cmpl $0, per_cpu__cpu_number(%rax) - jne 1f - addq %rax, early_gdt_descr_base(%rip) -1: -#endif /* * We must switch to a new descriptor in kernel space for the GDT * because soon the kernel won't have access anymore to the userspace @@ -275,11 +262,7 @@ ENTRY(secondary_startup_64) ENTRY(initial_code) .quad x86_64_start_kernel ENTRY(initial_gs) -#ifdef CONFIG_SMP - .quad __per_cpu_load -#else - .quad PER_CPU_VAR(irq_stack_union) -#endif + .quad INIT_PER_CPU_VAR(irq_stack_union) __FINITDATA ENTRY(stack_start) @@ -425,7 +408,7 @@ NEXT_PAGE(level2_spare_pgt) early_gdt_descr: .word GDT_ENTRIES*8-1 early_gdt_descr_base: - .quad per_cpu__gdt_page + .quad INIT_PER_CPU_VAR(gdt_page) ENTRY(phys_base) /* This must match the first entry in level2_kernel_pgt */ diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 388254f..a00545f 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -269,6 +269,8 @@ static void hpet_set_mode(enum clock_event_mode mode, now = hpet_readl(HPET_COUNTER); cmp = now + (unsigned long) delta; cfg = hpet_readl(HPET_Tn_CFG(timer)); + /* Make sure we use edge triggered interrupts */ + cfg &= ~HPET_TN_LEVEL; cfg |= HPET_TN_ENABLE | HPET_TN_PERIODIC | HPET_TN_SETVAL | HPET_TN_32BIT; hpet_writel(cfg, HPET_Tn_CFG(timer)); diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c index b12208f..e41980a 100644 --- a/arch/x86/kernel/ioport.c +++ b/arch/x86/kernel/ioport.c @@ -131,9 +131,8 @@ static int do_iopl(unsigned int level, struct pt_regs *regs) } #ifdef CONFIG_X86_32 -asmlinkage long sys_iopl(unsigned long regsp) +long sys_iopl(struct pt_regs *regs) { - struct pt_regs *regs = (struct pt_regs *)®sp; unsigned int level = regs->bx; struct thread_struct *t = ¤t->thread; int rc; diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index c43caa3..6993d51 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -18,15 +18,6 @@ #include <asm/mmu_context.h> #include <asm/io.h> -#define PAGE_ALIGNED __attribute__ ((__aligned__(PAGE_SIZE))) -static u64 kexec_pgd[512] PAGE_ALIGNED; -static u64 kexec_pud0[512] PAGE_ALIGNED; -static u64 kexec_pmd0[512] PAGE_ALIGNED; -static u64 kexec_pte0[512] PAGE_ALIGNED; -static u64 kexec_pud1[512] PAGE_ALIGNED; -static u64 kexec_pmd1[512] PAGE_ALIGNED; -static u64 kexec_pte1[512] PAGE_ALIGNED; - static void init_level2_page(pmd_t *level2p, unsigned long addr) { unsigned long end_addr; @@ -107,12 +98,65 @@ out: return result; } +static void free_transition_pgtable(struct kimage *image) +{ + free_page((unsigned long)image->arch.pud); + free_page((unsigned long)image->arch.pmd); + free_page((unsigned long)image->arch.pte); +} + +static int init_transition_pgtable(struct kimage *image, pgd_t *pgd) +{ + pud_t *pud; + pmd_t *pmd; + pte_t *pte; + unsigned long vaddr, paddr; + int result = -ENOMEM; + + vaddr = (unsigned long)relocate_kernel; + paddr = __pa(page_address(image->control_code_page)+PAGE_SIZE); + pgd += pgd_index(vaddr); + if (!pgd_present(*pgd)) { + pud = (pud_t *)get_zeroed_page(GFP_KERNEL); + if (!pud) + goto err; + image->arch.pud = pud; + set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE)); + } + pud = pud_offset(pgd, vaddr); + if (!pud_present(*pud)) { + pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL); + if (!pmd) + goto err; + image->arch.pmd = pmd; + set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE)); + } + pmd = pmd_offset(pud, vaddr); + if (!pmd_present(*pmd)) { + pte = (pte_t *)get_zeroed_page(GFP_KERNEL); + if (!pte) + goto err; + image->arch.pte = pte; + set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE)); + } + pte = pte_offset_kernel(pmd, vaddr); + set_pte(pte, pfn_pte(paddr >> PAGE_SHIFT, PAGE_KERNEL_EXEC)); + return 0; +err: + free_transition_pgtable(image); + return result; +} + static int init_pgtable(struct kimage *image, unsigned long start_pgtable) { pgd_t *level4p; + int result; level4p = (pgd_t *)__va(start_pgtable); - return init_level4_page(image, level4p, 0, max_pfn << PAGE_SHIFT); + result = init_level4_page(image, level4p, 0, max_pfn << PAGE_SHIFT); + if (result) + return result; + return init_transition_pgtable(image, level4p); } static void set_idt(void *newidt, u16 limit) @@ -174,7 +218,7 @@ int machine_kexec_prepare(struct kimage *image) void machine_kexec_cleanup(struct kimage *image) { - return; + free_transition_pgtable(image); } /* @@ -195,22 +239,6 @@ void machine_kexec(struct kimage *image) memcpy(control_page, relocate_kernel, PAGE_SIZE); page_list[PA_CONTROL_PAGE] = virt_to_phys(control_page); - page_list[VA_CONTROL_PAGE] = (unsigned long)relocate_kernel; - page_list[PA_PGD] = virt_to_phys(&kexec_pgd); - page_list[VA_PGD] = (unsigned long)kexec_pgd; - page_list[PA_PUD_0] = virt_to_phys(&kexec_pud0); - page_list[VA_PUD_0] = (unsigned long)kexec_pud0; - page_list[PA_PMD_0] = virt_to_phys(&kexec_pmd0); - page_list[VA_PMD_0] = (unsigned long)kexec_pmd0; - page_list[PA_PTE_0] = virt_to_phys(&kexec_pte0); - page_list[VA_PTE_0] = (unsigned long)kexec_pte0; - page_list[PA_PUD_1] = virt_to_phys(&kexec_pud1); - page_list[VA_PUD_1] = (unsigned long)kexec_pud1; - page_list[PA_PMD_1] = virt_to_phys(&kexec_pmd1); - page_list[VA_PMD_1] = (unsigned long)kexec_pmd1; - page_list[PA_PTE_1] = virt_to_phys(&kexec_pte1); - page_list[VA_PTE_1] = (unsigned long)kexec_pte1; - page_list[PA_TABLE_PAGE] = (unsigned long)__pa(page_address(image->control_code_page)); diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c index 7a13fac..4006c52 100644 --- a/arch/x86/kernel/olpc.c +++ b/arch/x86/kernel/olpc.c @@ -203,7 +203,7 @@ static void __init platform_detect(void) static void __init platform_detect(void) { /* stopgap until OFW support is added to the kernel */ - olpc_platform_info.boardrev = 0xc2; + olpc_platform_info.boardrev = olpc_board(0xc2); } #endif diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index cea11c8..6dc4dca 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -286,6 +286,32 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void) return __get_cpu_var(paravirt_lazy_mode); } +void arch_flush_lazy_mmu_mode(void) +{ + preempt_disable(); + + if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) { + WARN_ON(preempt_count() == 1); + arch_leave_lazy_mmu_mode(); + arch_enter_lazy_mmu_mode(); + } + + preempt_enable(); +} + +void arch_flush_lazy_cpu_mode(void) +{ + preempt_disable(); + + if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_CPU) { + WARN_ON(preempt_count() == 1); + arch_leave_lazy_cpu_mode(); + arch_enter_lazy_cpu_mode(); + } + + preempt_enable(); +} + struct pv_info pv_info = { .name = "bare hardware", .paravirt_enabled = 0, diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 1a1ae8e..fec79ad 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -11,6 +11,7 @@ #include <stdarg.h> +#include <linux/stackprotector.h> #include <linux/cpu.h> #include <linux/errno.h> #include <linux/sched.h> @@ -91,6 +92,15 @@ void cpu_idle(void) { int cpu = smp_processor_id(); + /* + * If we're the non-boot CPU, nothing set the stack canary up + * for us. CPU0 already has it initialized but no harm in + * doing it again. This is a good place for updating it, as + * we wont ever return from this function (so the invalid + * canaries already on the stack wont ever trigger). + */ + boot_init_stack_canary(); + current_thread_info()->status |= TS_POLLING; /* endless idle loop with no priority at all */ @@ -131,7 +141,7 @@ void __show_regs(struct pt_regs *regs, int all) if (user_mode_vm(regs)) { sp = regs->sp; ss = regs->ss & 0xffff; - savesegment(gs, gs); + gs = get_user_gs(regs); } else { sp = (unsigned long) (®s->sp); savesegment(ss, ss); @@ -212,6 +222,7 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) regs.ds = __USER_DS; regs.es = __USER_DS; regs.fs = __KERNEL_PERCPU; + regs.gs = __KERNEL_STACK_CANARY; regs.orig_ax = -1; regs.ip = (unsigned long) kernel_thread_helper; regs.cs = __KERNEL_CS | get_kernel_rpl(); @@ -304,7 +315,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, p->thread.ip = (unsigned long) ret_from_fork; - savesegment(gs, p->thread.gs); + task_user_gs(p) = get_user_gs(regs); tsk = current; if (unlikely(test_tsk_thread_flag(tsk, TIF_IO_BITMAP))) { @@ -342,7 +353,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, void start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp) { - __asm__("movl %0, %%gs" : : "r"(0)); + set_user_gs(regs, 0); regs->fs = 0; set_fs(USER_DS); regs->ds = __USER_DS; @@ -539,7 +550,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) * used %fs or %gs (it does not today), or if the kernel is * running inside of a hypervisor layer. */ - savesegment(gs, prev->gs); + lazy_save_gs(prev->gs); /* * Load the per-thread Thread-Local Storage descriptor. @@ -585,31 +596,31 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) * Restore %gs if needed (which is common) */ if (prev->gs | next->gs) - loadsegment(gs, next->gs); + lazy_load_gs(next->gs); percpu_write(current_task, next_p); return prev_p; } -asmlinkage int sys_fork(struct pt_regs regs) +int sys_fork(struct pt_regs *regs) { - return do_fork(SIGCHLD, regs.sp, ®s, 0, NULL, NULL); + return do_fork(SIGCHLD, regs->sp, regs, 0, NULL, NULL); } -asmlinkage int sys_clone(struct pt_regs regs) +int sys_clone(struct pt_regs *regs) { unsigned long clone_flags; unsigned long newsp; int __user *parent_tidptr, *child_tidptr; - clone_flags = regs.bx; - newsp = regs.cx; - parent_tidptr = (int __user *)regs.dx; - child_tidptr = (int __user *)regs.di; + clone_flags = regs->bx; + newsp = regs->cx; + parent_tidptr = (int __user *)regs->dx; + child_tidptr = (int __user *)regs->di; if (!newsp) - newsp = regs.sp; - return do_fork(clone_flags, newsp, ®s, 0, parent_tidptr, child_tidptr); + newsp = regs->sp; + return do_fork(clone_flags, newsp, regs, 0, parent_tidptr, child_tidptr); } /* @@ -622,27 +633,27 @@ asmlinkage int sys_clone(struct pt_regs regs) * do not have enough call-clobbered registers to hold all * the information you need. */ -asmlinkage int sys_vfork(struct pt_regs regs) +int sys_vfork(struct pt_regs *regs) { - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs.sp, ®s, 0, NULL, NULL); + return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->sp, regs, 0, NULL, NULL); } /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(struct pt_regs regs) +int sys_execve(struct pt_regs *regs) { int error; char *filename; - filename = getname((char __user *) regs.bx); + filename = getname((char __user *) regs->bx); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; error = do_execve(filename, - (char __user * __user *) regs.cx, - (char __user * __user *) regs.dx, - ®s); + (char __user * __user *) regs->cx, + (char __user * __user *) regs->dx, + regs); if (error == 0) { /* Make sure we don't return using sysenter.. */ set_thread_flag(TIF_IRET); diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 8eb169e..836ef65 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -120,12 +120,11 @@ void cpu_idle(void) current_thread_info()->status |= TS_POLLING; /* - * If we're the non-boot CPU, nothing set the PDA stack - * canary up for us - and if we are the boot CPU we have - * a 0 stack canary. This is a good place for updating - * it, as we wont ever return from this function (so the - * invalid canaries already on the stack wont ever - * trigger): + * If we're the non-boot CPU, nothing set the stack canary up + * for us. CPU0 already has it initialized but no harm in + * doing it again. This is a good place for updating it, as + * we wont ever return from this function (so the invalid + * canaries already on the stack wont ever trigger). */ boot_init_stack_canary(); diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 0a5df5f..d2f7cd5 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -75,10 +75,7 @@ static inline bool invalid_selector(u16 value) static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno) { BUILD_BUG_ON(offsetof(struct pt_regs, bx) != 0); - regno >>= 2; - if (regno > FS) - --regno; - return ®s->bx + regno; + return ®s->bx + (regno >> 2); } static u16 get_segment_reg(struct task_struct *task, unsigned long offset) @@ -90,9 +87,10 @@ static u16 get_segment_reg(struct task_struct *task, unsigned long offset) if (offset != offsetof(struct user_regs_struct, gs)) retval = *pt_regs_access(task_pt_regs(task), offset); else { - retval = task->thread.gs; if (task == current) - savesegment(gs, retval); + retval = get_user_gs(task_pt_regs(task)); + else + retval = task_user_gs(task); } return retval; } @@ -126,13 +124,10 @@ static int set_segment_reg(struct task_struct *task, break; case offsetof(struct user_regs_struct, gs): - task->thread.gs = value; if (task == current) - /* - * The user-mode %gs is not affected by - * kernel entry, so we must update the CPU. - */ - loadsegment(gs, value); + set_user_gs(task_pt_regs(task), value); + else + task_user_gs(task) = value; } return 0; @@ -810,12 +805,16 @@ static void ptrace_bts_untrace(struct task_struct *child) static void ptrace_bts_detach(struct task_struct *child) { - if (unlikely(child->bts)) { - ds_release_bts(child->bts); - child->bts = NULL; - - ptrace_bts_free_buffer(child); - } + /* + * Ptrace_detach() races with ptrace_untrace() in case + * the child dies and is reaped by another thread. + * + * We only do the memory accounting at this point and + * leave the buffer deallocation and the bts tracer + * release to ptrace_bts_untrace() which will be called + * later on with tasklist_lock held. + */ + release_locked_buffer(child->bts_buffer, child->bts_size); } #else static inline void ptrace_bts_fork(struct task_struct *tsk) {} diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S index f5afe66..b0bbdd4 100644 --- a/arch/x86/kernel/relocate_kernel_64.S +++ b/arch/x86/kernel/relocate_kernel_64.S @@ -29,122 +29,6 @@ relocate_kernel: * %rdx start address */ - /* map the control page at its virtual address */ - - movq $0x0000ff8000000000, %r10 /* mask */ - mov $(39 - 3), %cl /* bits to shift */ - movq PTR(VA_CONTROL_PAGE)(%rsi), %r11 /* address to map */ - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PGD)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_PUD_0)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - - shrq $9, %r10 - sub $9, %cl - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PUD_0)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_PMD_0)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - - shrq $9, %r10 - sub $9, %cl - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PMD_0)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_PTE_0)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - - shrq $9, %r10 - sub $9, %cl - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PTE_0)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_CONTROL_PAGE)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - - /* identity map the control page at its physical address */ - - movq $0x0000ff8000000000, %r10 /* mask */ - mov $(39 - 3), %cl /* bits to shift */ - movq PTR(PA_CONTROL_PAGE)(%rsi), %r11 /* address to map */ - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PGD)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_PUD_1)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - - shrq $9, %r10 - sub $9, %cl - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PUD_1)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_PMD_1)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - - shrq $9, %r10 - sub $9, %cl - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PMD_1)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_PTE_1)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - - shrq $9, %r10 - sub $9, %cl - - movq %r11, %r9 - andq %r10, %r9 - shrq %cl, %r9 - - movq PTR(VA_PTE_1)(%rsi), %r8 - addq %r8, %r9 - movq PTR(PA_CONTROL_PAGE)(%rsi), %r8 - orq $PAGE_ATTR, %r8 - movq %r8, (%r9) - -relocate_new_kernel: - /* %rdi indirection_page - * %rsi page_list - * %rdx start address - */ - /* zero out flags, and disable interrupts */ pushq $0 popfq @@ -156,9 +40,8 @@ relocate_new_kernel: /* get physical address of page table now too */ movq PTR(PA_TABLE_PAGE)(%rsi), %rcx - /* switch to new set of page tables */ - movq PTR(PA_PGD)(%rsi), %r9 - movq %r9, %cr3 + /* Switch to the identity mapped page tables */ + movq %rcx, %cr3 /* setup a new stack at the end of the physical control page */ lea PAGE_SIZE(%r8), %rsp @@ -194,9 +77,7 @@ identity_mapped: jmp 1f 1: - /* Switch to the identity mapped page tables, - * and flush the TLB. - */ + /* Flush the TLB (needed?) */ movq %rcx, %cr3 /* Do the copies */ diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index ef91747..d992e6c 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -16,6 +16,7 @@ #include <asm/proto.h> #include <asm/cpumask.h> #include <asm/cpu.h> +#include <asm/stackprotector.h> #ifdef CONFIG_DEBUG_PER_CPU_MAPS # define DBG(x...) printk(KERN_DEBUG x) @@ -95,6 +96,7 @@ void __init setup_per_cpu_areas(void) per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu); per_cpu(cpu_number, cpu) = cpu; setup_percpu_segment(cpu); + setup_stack_canary_segment(cpu); /* * Copy data used in early init routines from the * initial arrays to the per cpu data areas. These diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 7fc78b0..7cdcd16 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -50,27 +50,23 @@ # define FIX_EFLAGS __FIX_EFLAGS #endif -#define COPY(x) { \ - get_user_ex(regs->x, &sc->x); \ -} +#define COPY(x) do { \ + get_user_ex(regs->x, &sc->x); \ +} while (0) -#define COPY_SEG(seg) { \ - unsigned short tmp; \ - get_user_ex(tmp, &sc->seg); \ - regs->seg = tmp; \ -} +#define GET_SEG(seg) ({ \ + unsigned short tmp; \ + get_user_ex(tmp, &sc->seg); \ + tmp; \ +}) -#define COPY_SEG_CPL3(seg) { \ - unsigned short tmp; \ - get_user_ex(tmp, &sc->seg); \ - regs->seg = tmp | 3; \ -} +#define COPY_SEG(seg) do { \ + regs->seg = GET_SEG(seg); \ +} while (0) -#define GET_SEG(seg) { \ - unsigned short tmp; \ - get_user_ex(tmp, &sc->seg); \ - loadsegment(seg, tmp); \ -} +#define COPY_SEG_CPL3(seg) do { \ + regs->seg = GET_SEG(seg) | 3; \ +} while (0) static int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, @@ -86,7 +82,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, get_user_try { #ifdef CONFIG_X86_32 - GET_SEG(gs); + set_user_gs(regs, GET_SEG(gs)); COPY_SEG(fs); COPY_SEG(es); COPY_SEG(ds); @@ -138,12 +134,7 @@ setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, put_user_try { #ifdef CONFIG_X86_32 - { - unsigned int tmp; - - savesegment(gs, tmp); - put_user_ex(tmp, (unsigned int __user *)&sc->gs); - } + put_user_ex(get_user_gs(regs), (unsigned int __user *)&sc->gs); put_user_ex(regs->fs, (unsigned int __user *)&sc->fs); put_user_ex(regs->es, (unsigned int __user *)&sc->es); put_user_ex(regs->ds, (unsigned int __user *)&sc->ds); @@ -558,14 +549,9 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, #endif /* CONFIG_X86_32 */ #ifdef CONFIG_X86_32 -asmlinkage int sys_sigaltstack(unsigned long bx) +int sys_sigaltstack(struct pt_regs *regs) { - /* - * This is needed to make gcc realize it doesn't own the - * "struct pt_regs" - */ - struct pt_regs *regs = (struct pt_regs *)&bx; - const stack_t __user *uss = (const stack_t __user *)bx; + const stack_t __user *uss = (const stack_t __user *)regs->bx; stack_t __user *uoss = (stack_t __user *)regs->cx; return do_sigaltstack(uss, uoss, regs->sp); @@ -583,14 +569,12 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, * Do a signal return; undo the signal stack. */ #ifdef CONFIG_X86_32 -asmlinkage unsigned long sys_sigreturn(unsigned long __unused) +unsigned long sys_sigreturn(struct pt_regs *regs) { struct sigframe __user *frame; - struct pt_regs *regs; unsigned long ax; sigset_t set; - regs = (struct pt_regs *) &__unused; frame = (struct sigframe __user *)(regs->sp - 8); if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) @@ -617,7 +601,7 @@ badframe: } #endif /* CONFIG_X86_32 */ -static long do_rt_sigreturn(struct pt_regs *regs) +long sys_rt_sigreturn(struct pt_regs *regs) { struct rt_sigframe __user *frame; unsigned long ax; @@ -648,25 +632,6 @@ badframe: return 0; } -#ifdef CONFIG_X86_32 -/* - * Note: do not pass in pt_regs directly as with tail-call optimization - * GCC will incorrectly stomp on the caller's frame and corrupt user-space - * register state: - */ -asmlinkage int sys_rt_sigreturn(unsigned long __unused) -{ - struct pt_regs *regs = (struct pt_regs *)&__unused; - - return do_rt_sigreturn(regs); -} -#else /* !CONFIG_X86_32 */ -asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) -{ - return do_rt_sigreturn(regs); -} -#endif /* CONFIG_X86_32 */ - /* * OK, we're invoking a handler: */ diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S index e2e86a0..3bdb648 100644 --- a/arch/x86/kernel/syscall_table_32.S +++ b/arch/x86/kernel/syscall_table_32.S @@ -1,7 +1,7 @@ ENTRY(sys_call_table) .long sys_restart_syscall /* 0 - old "setup()" system call, used for restarting */ .long sys_exit - .long sys_fork + .long ptregs_fork .long sys_read .long sys_write .long sys_open /* 5 */ @@ -10,7 +10,7 @@ ENTRY(sys_call_table) .long sys_creat .long sys_link .long sys_unlink /* 10 */ - .long sys_execve + .long ptregs_execve .long sys_chdir .long sys_time .long sys_mknod @@ -109,17 +109,17 @@ ENTRY(sys_call_table) .long sys_newlstat .long sys_newfstat .long sys_uname - .long sys_iopl /* 110 */ + .long ptregs_iopl /* 110 */ .long sys_vhangup .long sys_ni_syscall /* old "idle" system call */ - .long sys_vm86old + .long ptregs_vm86old .long sys_wait4 .long sys_swapoff /* 115 */ .long sys_sysinfo .long sys_ipc .long sys_fsync - .long sys_sigreturn - .long sys_clone /* 120 */ + .long ptregs_sigreturn + .long ptregs_clone /* 120 */ .long sys_setdomainname .long sys_newuname .long sys_modify_ldt @@ -165,14 +165,14 @@ ENTRY(sys_call_table) .long sys_mremap .long sys_setresuid16 .long sys_getresuid16 /* 165 */ - .long sys_vm86 + .long ptregs_vm86 .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll .long sys_nfsservctl .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl - .long sys_rt_sigreturn + .long ptregs_rt_sigreturn .long sys_rt_sigaction .long sys_rt_sigprocmask /* 175 */ .long sys_rt_sigpending @@ -185,11 +185,11 @@ ENTRY(sys_call_table) .long sys_getcwd .long sys_capget .long sys_capset /* 185 */ - .long sys_sigaltstack + .long ptregs_sigaltstack .long sys_sendfile .long sys_ni_syscall /* reserved for streams1 */ .long sys_ni_syscall /* reserved for streams2 */ - .long sys_vfork /* 190 */ + .long ptregs_vfork /* 190 */ .long sys_getrlimit .long sys_mmap2 .long sys_truncate64 diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S index 894293c..95a012a 100644 --- a/arch/x86/kernel/trampoline_64.S +++ b/arch/x86/kernel/trampoline_64.S @@ -29,6 +29,7 @@ #include <asm/page.h> #include <asm/msr.h> #include <asm/segment.h> +#include <asm/processor-flags.h> .section .rodata, "a", @progbits @@ -37,7 +38,7 @@ ENTRY(trampoline_data) r_base = . cli # We should be safe anyway - wbinvd + wbinvd mov %cs, %ax # Code and data in the same place mov %ax, %ds mov %ax, %es @@ -73,9 +74,8 @@ r_base = . lidtl tidt - r_base # load idt with 0, 0 lgdtl tgdt - r_base # load gdt with whatever is appropriate - xor %ax, %ax - inc %ax # protected mode (PE) bit - lmsw %ax # into protected mode + mov $X86_CR0_PE, %ax # protected mode (PE) bit + lmsw %ax # into protected mode # flush prefetch and jump to startup_32 ljmpl *(startup_32_vector - r_base) @@ -86,9 +86,8 @@ startup_32: movl $__KERNEL_DS, %eax # Initialize the %ds segment register movl %eax, %ds - xorl %eax, %eax - btsl $5, %eax # Enable PAE mode - movl %eax, %cr4 + movl $X86_CR4_PAE, %eax + movl %eax, %cr4 # Enable PAE mode # Setup trampoline 4 level pagetables leal (trampoline_level4_pgt - r_base)(%esi), %eax @@ -99,9 +98,9 @@ startup_32: xorl %edx, %edx wrmsr - xorl %eax, %eax - btsl $31, %eax # Enable paging and in turn activate Long Mode - btsl $0, %eax # Enable protected mode + # Enable paging and in turn activate Long Mode + # Enable protected mode + movl $(X86_CR0_PG | X86_CR0_PE), %eax movl %eax, %cr0 /* diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 0d032d2..acb8c05 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -98,6 +98,12 @@ static inline void preempt_conditional_sti(struct pt_regs *regs) local_irq_enable(); } +static inline void conditional_cli(struct pt_regs *regs) +{ + if (regs->flags & X86_EFLAGS_IF) + local_irq_disable(); +} + static inline void preempt_conditional_cli(struct pt_regs *regs) { if (regs->flags & X86_EFLAGS_IF) @@ -625,8 +631,10 @@ clear_dr7: #ifdef CONFIG_X86_32 debug_vm86: + /* reenable preemption: handle_vm86_trap() might sleep */ + dec_preempt_count(); handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, 1); - preempt_conditional_cli(regs); + conditional_cli(regs); return; #endif @@ -905,19 +913,20 @@ void math_emulate(struct math_emu_info *info) } #endif /* CONFIG_MATH_EMULATION */ -dotraplinkage void __kprobes do_device_not_available(struct pt_regs regs) +dotraplinkage void __kprobes +do_device_not_available(struct pt_regs *regs, long error_code) { #ifdef CONFIG_X86_32 if (read_cr0() & X86_CR0_EM) { struct math_emu_info info = { }; - conditional_sti(®s); + conditional_sti(regs); - info.regs = ®s; + info.regs = regs; math_emulate(&info); } else { math_state_restore(); /* interrupts still off */ - conditional_sti(®s); + conditional_sti(regs); } #else math_state_restore(); diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c index 4eeb5cf..d7ac84e 100644 --- a/arch/x86/kernel/vm86_32.c +++ b/arch/x86/kernel/vm86_32.c @@ -158,7 +158,7 @@ struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs) ret = KVM86->regs32; ret->fs = current->thread.saved_fs; - loadsegment(gs, current->thread.saved_gs); + set_user_gs(ret, current->thread.saved_gs); return ret; } @@ -197,9 +197,9 @@ out: static int do_vm86_irq_handling(int subfunction, int irqnumber); static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk); -asmlinkage int sys_vm86old(struct pt_regs regs) +int sys_vm86old(struct pt_regs *regs) { - struct vm86_struct __user *v86 = (struct vm86_struct __user *)regs.bx; + struct vm86_struct __user *v86 = (struct vm86_struct __user *)regs->bx; struct kernel_vm86_struct info; /* declare this _on top_, * this avoids wasting of stack space. * This remains on the stack until we @@ -218,7 +218,7 @@ asmlinkage int sys_vm86old(struct pt_regs regs) if (tmp) goto out; memset(&info.vm86plus, 0, (int)&info.regs32 - (int)&info.vm86plus); - info.regs32 = ®s; + info.regs32 = regs; tsk->thread.vm86_info = v86; do_sys_vm86(&info, tsk); ret = 0; /* we never return here */ @@ -227,7 +227,7 @@ out: } -asmlinkage int sys_vm86(struct pt_regs regs) +int sys_vm86(struct pt_regs *regs) { struct kernel_vm86_struct info; /* declare this _on top_, * this avoids wasting of stack space. @@ -239,12 +239,12 @@ asmlinkage int sys_vm86(struct pt_regs regs) struct vm86plus_struct __user *v86; tsk = current; - switch (regs.bx) { + switch (regs->bx) { case VM86_REQUEST_IRQ: case VM86_FREE_IRQ: case VM86_GET_IRQ_BITS: case VM86_GET_AND_RESET_IRQ: - ret = do_vm86_irq_handling(regs.bx, (int)regs.cx); + ret = do_vm86_irq_handling(regs->bx, (int)regs->cx); goto out; case VM86_PLUS_INSTALL_CHECK: /* @@ -261,14 +261,14 @@ asmlinkage int sys_vm86(struct pt_regs regs) ret = -EPERM; if (tsk->thread.saved_sp0) goto out; - v86 = (struct vm86plus_struct __user *)regs.cx; + v86 = (struct vm86plus_struct __user *)regs->cx; tmp = copy_vm86_regs_from_user(&info.regs, &v86->regs, offsetof(struct kernel_vm86_struct, regs32) - sizeof(info.regs)); ret = -EFAULT; if (tmp) goto out; - info.regs32 = ®s; + info.regs32 = regs; info.vm86plus.is_vm86pus = 1; tsk->thread.vm86_info = (struct vm86_struct __user *)v86; do_sys_vm86(&info, tsk); @@ -323,7 +323,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk info->regs32->ax = 0; tsk->thread.saved_sp0 = tsk->thread.sp0; tsk->thread.saved_fs = info->regs32->fs; - savesegment(gs, tsk->thread.saved_gs); + tsk->thread.saved_gs = get_user_gs(info->regs32); tss = &per_cpu(init_tss, get_cpu()); tsk->thread.sp0 = (unsigned long) &info->VM86_TSS_ESP0; diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S index 07f62d2..087a7f2 100644 --- a/arch/x86/kernel/vmlinux_64.lds.S +++ b/arch/x86/kernel/vmlinux_64.lds.S @@ -257,6 +257,14 @@ SECTIONS DWARF_DEBUG } + /* + * Per-cpu symbols which need to be offset from __per_cpu_load + * for the boot processor. + */ +#define INIT_PER_CPU(x) init_per_cpu__##x = per_cpu__##x + __per_cpu_load +INIT_PER_CPU(gdt_page); +INIT_PER_CPU(irq_stack_union); + /* * Build-time check on the image size: */ diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 19e33b6..da2e314 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -283,7 +283,7 @@ static void lguest_load_tls(struct thread_struct *t, unsigned int cpu) /* There's one problem which normal hardware doesn't have: the Host * can't handle us removing entries we're currently using. So we clear * the GS register here: if it's needed it'll be reloaded anyway. */ - loadsegment(gs, 0); + lazy_load_gs(0); lazy_hcall(LHCALL_LOAD_TLS, __pa(&t->tls_array), cpu, 0); } diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index 6f5a38c..98e3c2b 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -1747,10 +1747,11 @@ static void __cpuinit voyager_smp_prepare_boot_cpu(void) int cpu = smp_processor_id(); switch_to_new_gdt(cpu); - cpu_online_map = cpumask_of_cpu(smp_processor_id()); - cpu_callout_map = cpumask_of_cpu(smp_processor_id()); - cpu_callin_map = CPU_MASK_NONE; - cpu_present_map = cpumask_of_cpu(smp_processor_id()); + cpu_set(cpu, cpu_online_map); + cpu_set(cpu, cpu_callout_map); + cpu_set(cpu, cpu_possible_map); + cpu_set(cpu, cpu_present_map); + } static int __cpuinit voyager_cpu_up(unsigned int cpu) diff --git a/arch/x86/math-emu/get_address.c b/arch/x86/math-emu/get_address.c index 420b3b6..6ef5e99 100644 --- a/arch/x86/math-emu/get_address.c +++ b/arch/x86/math-emu/get_address.c @@ -150,11 +150,9 @@ static long pm_address(u_char FPU_modrm, u_char segment, #endif /* PARANOID */ switch (segment) { - /* gs isn't used by the kernel, so it still has its - user-space value. */ case PREFIX_GS_ - 1: - /* N.B. - movl %seg, mem is a 2 byte write regardless of prefix */ - savesegment(gs, addr->selector); + /* user gs handling can be lazy, use special accessors */ + addr->selector = get_user_gs(FPU_info->regs); break; default: addr->selector = PM_REG_(segment); diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 2a9ea3a..2964417 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -782,6 +782,15 @@ static inline int access_error(unsigned long error_code, int write, return 0; } +static int fault_in_kernel_space(unsigned long address) +{ +#ifdef CONFIG_X86_32 + return address >= TASK_SIZE; +#else /* !CONFIG_X86_32 */ + return address >= TASK_SIZE64; +#endif /* CONFIG_X86_32 */ +} + /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate @@ -822,11 +831,7 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) * (error_code & 4) == 0, and that the fault was not a * protection error (error_code & 9) == 0. */ -#ifdef CONFIG_X86_32 - if (unlikely(address >= TASK_SIZE)) { -#else - if (unlikely(address >= TASK_SIZE64)) { -#endif + if (unlikely(fault_in_kernel_space(address))) { if (!(error_code & (PF_RSVD|PF_USER|PF_PROT)) && vmalloc_fault(address) >= 0) return; @@ -846,6 +851,7 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) return; } + /* kprobes don't want to hook the spurious faults. */ if (unlikely(notify_page_fault(regs))) return; /* @@ -898,6 +904,12 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) return; } down_read(&mm->mmap_sem); + } else { + /* + * The above down_read_trylock() might have succeeded in which + * case we'll have missed the might_sleep() from down_read(). + */ + might_sleep(); } vma = find_vma(mm, address); diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 00263bf..06708ee 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -674,75 +674,97 @@ static int __init parse_highmem(char *arg) } early_param("highmem", parse_highmem); +#define MSG_HIGHMEM_TOO_BIG \ + "highmem size (%luMB) is bigger than pages available (%luMB)!\n" + +#define MSG_LOWMEM_TOO_SMALL \ + "highmem size (%luMB) results in <64MB lowmem, ignoring it!\n" /* - * Determine low and high memory ranges: + * All of RAM fits into lowmem - but if user wants highmem + * artificially via the highmem=x boot parameter then create + * it: */ -void __init find_low_pfn_range(void) +void __init lowmem_pfn_init(void) { - /* it could update max_pfn */ - /* max_low_pfn is 0, we already have early_res support */ - max_low_pfn = max_pfn; - if (max_low_pfn > MAXMEM_PFN) { - if (highmem_pages == -1) - highmem_pages = max_pfn - MAXMEM_PFN; - if (highmem_pages + MAXMEM_PFN < max_pfn) - max_pfn = MAXMEM_PFN + highmem_pages; - if (highmem_pages + MAXMEM_PFN > max_pfn) { - printk(KERN_WARNING "only %luMB highmem pages " - "available, ignoring highmem size of %uMB.\n", - pages_to_mb(max_pfn - MAXMEM_PFN), + + if (highmem_pages == -1) + highmem_pages = 0; +#ifdef CONFIG_HIGHMEM + if (highmem_pages >= max_pfn) { + printk(KERN_ERR MSG_HIGHMEM_TOO_BIG, + pages_to_mb(highmem_pages), pages_to_mb(max_pfn)); + highmem_pages = 0; + } + if (highmem_pages) { + if (max_low_pfn - highmem_pages < 64*1024*1024/PAGE_SIZE) { + printk(KERN_ERR MSG_LOWMEM_TOO_SMALL, pages_to_mb(highmem_pages)); highmem_pages = 0; } - max_low_pfn = MAXMEM_PFN; + max_low_pfn -= highmem_pages; + } +#else + if (highmem_pages) + printk(KERN_ERR "ignoring highmem size on non-highmem kernel!\n"); +#endif +} + +#define MSG_HIGHMEM_TOO_SMALL \ + "only %luMB highmem pages available, ignoring highmem size of %luMB!\n" + +#define MSG_HIGHMEM_TRIMMED \ + "Warning: only 4GB will be used. Use a HIGHMEM64G enabled kernel!\n" +/* + * We have more RAM than fits into lowmem - we try to put it into + * highmem, also taking the highmem=x boot parameter into account: + */ +void __init highmem_pfn_init(void) +{ + max_low_pfn = MAXMEM_PFN; + + if (highmem_pages == -1) + highmem_pages = max_pfn - MAXMEM_PFN; + + if (highmem_pages + MAXMEM_PFN < max_pfn) + max_pfn = MAXMEM_PFN + highmem_pages; + + if (highmem_pages + MAXMEM_PFN > max_pfn) { + printk(KERN_WARNING MSG_HIGHMEM_TOO_SMALL, + pages_to_mb(max_pfn - MAXMEM_PFN), + pages_to_mb(highmem_pages)); + highmem_pages = 0; + } #ifndef CONFIG_HIGHMEM - /* Maximum memory usable is what is directly addressable */ - printk(KERN_WARNING "Warning only %ldMB will be used.\n", - MAXMEM>>20); - if (max_pfn > MAX_NONPAE_PFN) - printk(KERN_WARNING - "Use a HIGHMEM64G enabled kernel.\n"); - else - printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); - max_pfn = MAXMEM_PFN; + /* Maximum memory usable is what is directly addressable */ + printk(KERN_WARNING "Warning only %ldMB will be used.\n", MAXMEM>>20); + if (max_pfn > MAX_NONPAE_PFN) + printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n"); + else + printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); + max_pfn = MAXMEM_PFN; #else /* !CONFIG_HIGHMEM */ #ifndef CONFIG_HIGHMEM64G - if (max_pfn > MAX_NONPAE_PFN) { - max_pfn = MAX_NONPAE_PFN; - printk(KERN_WARNING "Warning only 4GB will be used." - "Use a HIGHMEM64G enabled kernel.\n"); - } + if (max_pfn > MAX_NONPAE_PFN) { + max_pfn = MAX_NONPAE_PFN; + printk(KERN_WARNING MSG_HIGHMEM_TRIMMED); + } #endif /* !CONFIG_HIGHMEM64G */ #endif /* !CONFIG_HIGHMEM */ - } else { - if (highmem_pages == -1) - highmem_pages = 0; -#ifdef CONFIG_HIGHMEM - if (highmem_pages >= max_pfn) { - printk(KERN_ERR "highmem size specified (%uMB) is " - "bigger than pages available (%luMB)!.\n", - pages_to_mb(highmem_pages), - pages_to_mb(max_pfn)); - highmem_pages = 0; - } - if (highmem_pages) { - if (max_low_pfn - highmem_pages < - 64*1024*1024/PAGE_SIZE){ - printk(KERN_ERR "highmem size %uMB results in " - "smaller than 64MB lowmem, ignoring it.\n" - , pages_to_mb(highmem_pages)); - highmem_pages = 0; - } - max_low_pfn -= highmem_pages; - } -#else - if (highmem_pages) - printk(KERN_ERR "ignoring highmem size on non-highmem" - " kernel!\n"); -#endif - } +} + +/* + * Determine low and high memory ranges: + */ +void __init find_low_pfn_range(void) +{ + /* it could update max_pfn */ + + if (max_pfn <= MAXMEM_PFN) + lowmem_pfn_init(); + else + highmem_pfn_init(); } #ifndef CONFIG_NEED_MULTIPLE_NODES diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 1448bcb..433f7bd 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -134,25 +134,6 @@ int page_is_ram(unsigned long pagenr) return 0; } -int pagerange_is_ram(unsigned long start, unsigned long end) -{ - int ram_page = 0, not_rampage = 0; - unsigned long page_nr; - - for (page_nr = (start >> PAGE_SHIFT); page_nr < (end >> PAGE_SHIFT); - ++page_nr) { - if (page_is_ram(page_nr)) - ram_page = 1; - else - not_rampage = 1; - - if (ram_page == not_rampage) - return -1; - } - - return ram_page; -} - /* * Fix up the linear direct mapping of the kernel to avoid cache attribute * conflicts. diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 08d140f..deb1c1a 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -702,7 +702,7 @@ void __cpuinit numa_set_node(int cpu, int node) } #ifdef CONFIG_DEBUG_PER_CPU_MAPS - if (cpu >= nr_cpu_ids || !per_cpu_offset(cpu)) { + if (cpu >= nr_cpu_ids || !cpu_possible(cpu)) { printk(KERN_ERR "numa_set_node: invalid cpu# (%d)\n", cpu); dump_stack(); return; @@ -790,7 +790,7 @@ int early_cpu_to_node(int cpu) if (early_per_cpu_ptr(x86_cpu_to_node_map)) return early_per_cpu_ptr(x86_cpu_to_node_map)[cpu]; - if (!per_cpu_offset(cpu)) { + if (!cpu_possible(cpu)) { printk(KERN_WARNING "early_cpu_to_node(%d): no per_cpu area!\n", cpu); dump_stack(); diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 84ba748..8ca0d85 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -575,7 +575,6 @@ static int __change_page_attr(struct cpa_data *cpa, int primary) address = cpa->vaddr[cpa->curpage]; else address = *cpa->vaddr; - repeat: kpte = lookup_address(address, &level); if (!kpte) @@ -812,6 +811,13 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages, vm_unmap_aliases(); + /* + * If we're called with lazy mmu updates enabled, the + * in-memory pte state may be stale. Flush pending updates to + * bring them up to date. + */ + arch_flush_lazy_mmu_mode(); + cpa.vaddr = addr; cpa.numpages = numpages; cpa.mask_set = mask_set; @@ -854,6 +860,13 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages, } else cpa_flush_all(cache); + /* + * If we've been called with lazy mmu updates enabled, then + * make sure that everything gets flushed out before we + * return. + */ + arch_flush_lazy_mmu_mode(); + out: return ret; } diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 9127e31..05f9aef 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -220,6 +220,33 @@ chk_conflict(struct memtype *new, struct memtype *entry, unsigned long *type) static struct memtype *cached_entry; static u64 cached_start; +static int pat_pagerange_is_ram(unsigned long start, unsigned long end) +{ + int ram_page = 0, not_rampage = 0; + unsigned long page_nr; + + for (page_nr = (start >> PAGE_SHIFT); page_nr < (end >> PAGE_SHIFT); + ++page_nr) { + /* + * For legacy reasons, physical address range in the legacy ISA + * region is tracked as non-RAM. This will allow users of + * /dev/mem to map portions of legacy ISA region, even when + * some of those portions are listed(or not even listed) with + * different e820 types(RAM/reserved/..) + */ + if (page_nr >= (ISA_END_ADDRESS >> PAGE_SHIFT) && + page_is_ram(page_nr)) + ram_page = 1; + else + not_rampage = 1; + + if (ram_page == not_rampage) + return -1; + } + + return ram_page; +} + /* * For RAM pages, mark the pages as non WB memory type using * PageNonWB (PG_arch_1). We allow only one set_memory_uc() or @@ -345,20 +372,12 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, if (new_type) *new_type = actual_type; - /* - * For legacy reasons, some parts of the physical address range in the - * legacy 1MB region is treated as non-RAM (even when listed as RAM in - * the e820 tables). So we will track the memory attributes of this - * legacy 1MB region using the linear memtype_list always. - */ - if (end >= ISA_END_ADDRESS) { - is_range_ram = pagerange_is_ram(start, end); - if (is_range_ram == 1) - return reserve_ram_pages_type(start, end, req_type, - new_type); - else if (is_range_ram < 0) - return -EINVAL; - } + is_range_ram = pat_pagerange_is_ram(start, end); + if (is_range_ram == 1) + return reserve_ram_pages_type(start, end, req_type, + new_type); + else if (is_range_ram < 0) + return -EINVAL; new = kmalloc(sizeof(struct memtype), GFP_KERNEL); if (!new) @@ -455,19 +474,11 @@ int free_memtype(u64 start, u64 end) if (is_ISA_range(start, end - 1)) return 0; - /* - * For legacy reasons, some parts of the physical address range in the - * legacy 1MB region is treated as non-RAM (even when listed as RAM in - * the e820 tables). So we will track the memory attributes of this - * legacy 1MB region using the linear memtype_list always. - */ - if (end >= ISA_END_ADDRESS) { - is_range_ram = pagerange_is_ram(start, end); - if (is_range_ram == 1) - return free_ram_pages_type(start, end); - else if (is_range_ram < 0) - return -EINVAL; - } + is_range_ram = pat_pagerange_is_ram(start, end); + if (is_range_ram == 1) + return free_ram_pages_type(start, end); + else if (is_range_ram < 0) + return -EINVAL; spin_lock(&memtype_lock); list_for_each_entry(entry, &memtype_list, nd) { @@ -635,17 +646,13 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, unsigned long flags; unsigned long want_flags = (pgprot_val(*vma_prot) & _PAGE_CACHE_MASK); - is_ram = pagerange_is_ram(paddr, paddr + size); + is_ram = pat_pagerange_is_ram(paddr, paddr + size); - if (is_ram != 0) { - /* - * For mapping RAM pages, drivers need to call - * set_memory_[uc|wc|wb] directly, for reserve and free, before - * setting up the PTE. - */ - WARN_ON_ONCE(1); - return 0; - } + /* + * reserve_pfn_range() doesn't support RAM pages. + */ + if (is_ram != 0) + return -EINVAL; ret = reserve_memtype(paddr, paddr + size, want_flags, &flags); if (ret) @@ -702,7 +709,7 @@ static void free_pfn_range(u64 paddr, unsigned long size) { int is_ram; - is_ram = pagerange_is_ram(paddr, paddr + size); + is_ram = pat_pagerange_is_ram(paddr, paddr + size); if (is_ram == 0) free_memtype(paddr, paddr + size); } diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile index 4d6ef0a..16a9020 100644 --- a/arch/x86/vdso/Makefile +++ b/arch/x86/vdso/Makefile @@ -38,7 +38,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE $(call if_changed,objcopy) CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \ - $(filter -g%,$(KBUILD_CFLAGS)) + $(filter -g%,$(KBUILD_CFLAGS)) $(call cc-option, -fno-stack-protector) $(vobjs): KBUILD_CFLAGS += $(CFL) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 3723034..95ff6a0 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -323,13 +323,14 @@ static void load_TLS_descriptor(struct thread_struct *t, static void xen_load_tls(struct thread_struct *t, unsigned int cpu) { /* - * XXX sleazy hack: If we're being called in a lazy-cpu zone, - * it means we're in a context switch, and %gs has just been - * saved. This means we can zero it out to prevent faults on - * exit from the hypervisor if the next process has no %gs. - * Either way, it has been saved, and the new value will get - * loaded properly. This will go away as soon as Xen has been - * modified to not save/restore %gs for normal hypercalls. + * XXX sleazy hack: If we're being called in a lazy-cpu zone + * and lazy gs handling is enabled, it means we're in a + * context switch, and %gs has just been saved. This means we + * can zero it out to prevent faults on exit from the + * hypervisor if the next process has no %gs. Either way, it + * has been saved, and the new value will get loaded properly. + * This will go away as soon as Xen has been modified to not + * save/restore %gs for normal hypercalls. * * On x86_64, this hack is not used for %gs, because gs points * to KERNEL_GS_BASE (and uses it for PDA references), so we @@ -341,7 +342,7 @@ static void xen_load_tls(struct thread_struct *t, unsigned int cpu) */ if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_CPU) { #ifdef CONFIG_X86_32 - loadsegment(gs, 0); + lazy_load_gs(0); #else loadsegment(fs, 0); #endif diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index d2e8ed1..319bd40 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1273,8 +1273,6 @@ static void xen_flush_tlb_others(const struct cpumask *cpus, /* Remove us, and any offline CPUS. */ cpumask_and(to_cpumask(args->mask), cpus, cpu_online_mask); cpumask_clear_cpu(smp_processor_id(), to_cpumask(args->mask)); - if (unlikely(cpumask_empty(to_cpumask(args->mask)))) - goto issue; if (va == TLB_FLUSH_ALL) { args->op.cmd = MMUEXT_TLB_FLUSH_MULTI; @@ -1285,7 +1283,6 @@ static void xen_flush_tlb_others(const struct cpumask *cpus, MULTI_mmuext_op(mcs.mc, &args->op, 1, NULL, DOMID_SELF); -issue: xen_mc_issue(PARAVIRT_LAZY_MMU); } diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c index c738644..8bff7e7 100644 --- a/arch/x86/xen/multicalls.c +++ b/arch/x86/xen/multicalls.c @@ -39,6 +39,7 @@ struct mc_buffer { struct multicall_entry entries[MC_BATCH]; #if MC_DEBUG struct multicall_entry debug[MC_BATCH]; + void *caller[MC_BATCH]; #endif unsigned char args[MC_ARGS]; struct callback { @@ -154,11 +155,12 @@ void xen_mc_flush(void) ret, smp_processor_id()); dump_stack(); for (i = 0; i < b->mcidx; i++) { - printk(KERN_DEBUG " call %2d/%d: op=%lu arg=[%lx] result=%ld\n", + printk(KERN_DEBUG " call %2d/%d: op=%lu arg=[%lx] result=%ld\t%pF\n", i+1, b->mcidx, b->debug[i].op, b->debug[i].args[0], - b->entries[i].result); + b->entries[i].result, + b->caller[i]); } } #endif @@ -168,8 +170,6 @@ void xen_mc_flush(void) } else BUG_ON(b->argidx != 0); - local_irq_restore(flags); - for (i = 0; i < b->cbidx; i++) { struct callback *cb = &b->callbacks[i]; @@ -177,7 +177,9 @@ void xen_mc_flush(void) } b->cbidx = 0; - BUG_ON(ret); + local_irq_restore(flags); + + WARN_ON(ret); } struct multicall_space __xen_mc_entry(size_t args) @@ -197,6 +199,9 @@ struct multicall_space __xen_mc_entry(size_t args) } ret.mc = &b->entries[b->mcidx]; +#ifdef MC_DEBUG + b->caller[b->mcidx] = __builtin_return_address(0); +#endif b->mcidx++; ret.args = &b->args[argidx]; b->argidx = argidx + args; diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S index 4c6f967..79d7362 100644 --- a/arch/x86/xen/xen-asm.S +++ b/arch/x86/xen/xen-asm.S @@ -1,14 +1,14 @@ /* - Asm versions of Xen pv-ops, suitable for either direct use or inlining. - The inline versions are the same as the direct-use versions, with the - pre- and post-amble chopped off. - - This code is encoded for size rather than absolute efficiency, - with a view to being able to inline as much as possible. - - We only bother with direct forms (ie, vcpu in percpu data) of - the operations here; the indirect forms are better handled in - C, since they're generally too large to inline anyway. + * Asm versions of Xen pv-ops, suitable for either direct use or + * inlining. The inline versions are the same as the direct-use + * versions, with the pre- and post-amble chopped off. + * + * This code is encoded for size rather than absolute efficiency, with + * a view to being able to inline as much as possible. + * + * We only bother with direct forms (ie, vcpu in percpu data) of the + * operations here; the indirect forms are better handled in C, since + * they're generally too large to inline anyway. */ #include <asm/asm-offsets.h> @@ -18,17 +18,19 @@ #include "xen-asm.h" /* - Enable events. This clears the event mask and tests the pending - event status with one and operation. If there are pending - events, then enter the hypervisor to get them handled. + * Enable events. This clears the event mask and tests the pending + * event status with one and operation. If there are pending events, + * then enter the hypervisor to get them handled. */ ENTRY(xen_irq_enable_direct) /* Unmask events */ movb $0, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask - /* Preempt here doesn't matter because that will deal with - any pending interrupts. The pending check may end up being - run on the wrong CPU, but that doesn't hurt. */ + /* + * Preempt here doesn't matter because that will deal with any + * pending interrupts. The pending check may end up being run + * on the wrong CPU, but that doesn't hurt. + */ /* Test for pending */ testb $0xff, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_pending @@ -43,8 +45,8 @@ ENDPATCH(xen_irq_enable_direct) /* - Disabling events is simply a matter of making the event mask - non-zero. + * Disabling events is simply a matter of making the event mask + * non-zero. */ ENTRY(xen_irq_disable_direct) movb $1, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask @@ -54,18 +56,18 @@ ENDPATCH(xen_irq_disable_direct) RELOC(xen_irq_disable_direct, 0) /* - (xen_)save_fl is used to get the current interrupt enable status. - Callers expect the status to be in X86_EFLAGS_IF, and other bits - may be set in the return value. We take advantage of this by - making sure that X86_EFLAGS_IF has the right value (and other bits - in that byte are 0), but other bits in the return value are - undefined. We need to toggle the state of the bit, because - Xen and x86 use opposite senses (mask vs enable). + * (xen_)save_fl is used to get the current interrupt enable status. + * Callers expect the status to be in X86_EFLAGS_IF, and other bits + * may be set in the return value. We take advantage of this by + * making sure that X86_EFLAGS_IF has the right value (and other bits + * in that byte are 0), but other bits in the return value are + * undefined. We need to toggle the state of the bit, because Xen and + * x86 use opposite senses (mask vs enable). */ ENTRY(xen_save_fl_direct) testb $0xff, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask setz %ah - addb %ah,%ah + addb %ah, %ah ENDPATCH(xen_save_fl_direct) ret ENDPROC(xen_save_fl_direct) @@ -73,12 +75,11 @@ ENDPATCH(xen_save_fl_direct) /* - In principle the caller should be passing us a value return - from xen_save_fl_direct, but for robustness sake we test only - the X86_EFLAGS_IF flag rather than the whole byte. After - setting the interrupt mask state, it checks for unmasked - pending events and enters the hypervisor to get them delivered - if so. + * In principle the caller should be passing us a value return from + * xen_save_fl_direct, but for robustness sake we test only the + * X86_EFLAGS_IF flag rather than the whole byte. After setting the + * interrupt mask state, it checks for unmasked pending events and + * enters the hypervisor to get them delivered if so. */ ENTRY(xen_restore_fl_direct) #ifdef CONFIG_X86_64 @@ -87,9 +88,11 @@ ENTRY(xen_restore_fl_direct) testb $X86_EFLAGS_IF>>8, %ah #endif setz PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask - /* Preempt here doesn't matter because that will deal with - any pending interrupts. The pending check may end up being - run on the wrong CPU, but that doesn't hurt. */ + /* + * Preempt here doesn't matter because that will deal with any + * pending interrupts. The pending check may end up being run + * on the wrong CPU, but that doesn't hurt. + */ /* check for unmasked and pending */ cmpw $0x0001, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_pending @@ -103,8 +106,8 @@ ENDPATCH(xen_restore_fl_direct) /* - Force an event check by making a hypercall, - but preserve regs before making the call. + * Force an event check by making a hypercall, but preserve regs + * before making the call. */ check_events: #ifdef CONFIG_X86_32 @@ -137,4 +140,3 @@ check_events: pop %rax #endif ret - diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S index 082d173..88e15de 100644 --- a/arch/x86/xen/xen-asm_32.S +++ b/arch/x86/xen/xen-asm_32.S @@ -1,17 +1,16 @@ /* - Asm versions of Xen pv-ops, suitable for either direct use or inlining. - The inline versions are the same as the direct-use versions, with the - pre- and post-amble chopped off. - - This code is encoded for size rather than absolute efficiency, - with a view to being able to inline as much as possible. - - We only bother with direct forms (ie, vcpu in pda) of the operations - here; the indirect forms are better handled in C, since they're - generally too large to inline anyway. + * Asm versions of Xen pv-ops, suitable for either direct use or + * inlining. The inline versions are the same as the direct-use + * versions, with the pre- and post-amble chopped off. + * + * This code is encoded for size rather than absolute efficiency, with + * a view to being able to inline as much as possible. + * + * We only bother with direct forms (ie, vcpu in pda) of the + * operations here; the indirect forms are better handled in C, since + * they're generally too large to inline anyway. */ -//#include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/processor-flags.h> #include <asm/segment.h> @@ -21,8 +20,8 @@ #include "xen-asm.h" /* - Force an event check by making a hypercall, - but preserve regs before making the call. + * Force an event check by making a hypercall, but preserve regs + * before making the call. */ check_events: push %eax @@ -35,10 +34,10 @@ check_events: ret /* - We can't use sysexit directly, because we're not running in ring0. - But we can easily fake it up using iret. Assuming xen_sysexit - is jumped to with a standard stack frame, we can just strip it - back to a standard iret frame and use iret. + * We can't use sysexit directly, because we're not running in ring0. + * But we can easily fake it up using iret. Assuming xen_sysexit is + * jumped to with a standard stack frame, we can just strip it back to + * a standard iret frame and use iret. */ ENTRY(xen_sysexit) movl PT_EAX(%esp), %eax /* Shouldn't be necessary? */ @@ -49,33 +48,31 @@ ENTRY(xen_sysexit) ENDPROC(xen_sysexit) /* - This is run where a normal iret would be run, with the same stack setup: - 8: eflags - 4: cs - esp-> 0: eip - - This attempts to make sure that any pending events are dealt - with on return to usermode, but there is a small window in - which an event can happen just before entering usermode. If - the nested interrupt ends up setting one of the TIF_WORK_MASK - pending work flags, they will not be tested again before - returning to usermode. This means that a process can end up - with pending work, which will be unprocessed until the process - enters and leaves the kernel again, which could be an - unbounded amount of time. This means that a pending signal or - reschedule event could be indefinitely delayed. - - The fix is to notice a nested interrupt in the critical - window, and if one occurs, then fold the nested interrupt into - the current interrupt stack frame, and re-process it - iteratively rather than recursively. This means that it will - exit via the normal path, and all pending work will be dealt - with appropriately. - - Because the nested interrupt handler needs to deal with the - current stack state in whatever form its in, we keep things - simple by only using a single register which is pushed/popped - on the stack. + * This is run where a normal iret would be run, with the same stack setup: + * 8: eflags + * 4: cs + * esp-> 0: eip + * + * This attempts to make sure that any pending events are dealt with + * on return to usermode, but there is a small window in which an + * event can happen just before entering usermode. If the nested + * interrupt ends up setting one of the TIF_WORK_MASK pending work + * flags, they will not be tested again before returning to + * usermode. This means that a process can end up with pending work, + * which will be unprocessed until the process enters and leaves the + * kernel again, which could be an unbounded amount of time. This + * means that a pending signal or reschedule event could be + * indefinitely delayed. + * + * The fix is to notice a nested interrupt in the critical window, and + * if one occurs, then fold the nested interrupt into the current + * interrupt stack frame, and re-process it iteratively rather than + * recursively. This means that it will exit via the normal path, and + * all pending work will be dealt with appropriately. + * + * Because the nested interrupt handler needs to deal with the current + * stack state in whatever form its in, we keep things simple by only + * using a single register which is pushed/popped on the stack. */ ENTRY(xen_iret) /* test eflags for special cases */ @@ -85,13 +82,15 @@ ENTRY(xen_iret) push %eax ESP_OFFSET=4 # bytes pushed onto stack - /* Store vcpu_info pointer for easy access. Do it this - way to avoid having to reload %fs */ + /* + * Store vcpu_info pointer for easy access. Do it this way to + * avoid having to reload %fs + */ #ifdef CONFIG_SMP GET_THREAD_INFO(%eax) - movl TI_cpu(%eax),%eax - movl __per_cpu_offset(,%eax,4),%eax - mov per_cpu__xen_vcpu(%eax),%eax + movl TI_cpu(%eax), %eax + movl __per_cpu_offset(,%eax,4), %eax + mov per_cpu__xen_vcpu(%eax), %eax #else movl per_cpu__xen_vcpu, %eax #endif @@ -99,37 +98,46 @@ ENTRY(xen_iret) /* check IF state we're restoring */ testb $X86_EFLAGS_IF>>8, 8+1+ESP_OFFSET(%esp) - /* Maybe enable events. Once this happens we could get a - recursive event, so the critical region starts immediately - afterwards. However, if that happens we don't end up - resuming the code, so we don't have to be worried about - being preempted to another CPU. */ + /* + * Maybe enable events. Once this happens we could get a + * recursive event, so the critical region starts immediately + * afterwards. However, if that happens we don't end up + * resuming the code, so we don't have to be worried about + * being preempted to another CPU. + */ setz XEN_vcpu_info_mask(%eax) xen_iret_start_crit: /* check for unmasked and pending */ cmpw $0x0001, XEN_vcpu_info_pending(%eax) - /* If there's something pending, mask events again so we - can jump back into xen_hypervisor_callback */ + /* + * If there's something pending, mask events again so we can + * jump back into xen_hypervisor_callback + */ sete XEN_vcpu_info_mask(%eax) popl %eax - /* From this point on the registers are restored and the stack - updated, so we don't need to worry about it if we're preempted */ + /* + * From this point on the registers are restored and the stack + * updated, so we don't need to worry about it if we're + * preempted + */ iret_restore_end: - /* Jump to hypervisor_callback after fixing up the stack. - Events are masked, so jumping out of the critical - region is OK. */ + /* + * Jump to hypervisor_callback after fixing up the stack. + * Events are masked, so jumping out of the critical region is + * OK. + */ je xen_hypervisor_callback 1: iret xen_iret_end_crit: -.section __ex_table,"a" +.section __ex_table, "a" .align 4 - .long 1b,iret_exc + .long 1b, iret_exc .previous hyper_iret: @@ -139,55 +147,55 @@ hyper_iret: .globl xen_iret_start_crit, xen_iret_end_crit /* - This is called by xen_hypervisor_callback in entry.S when it sees - that the EIP at the time of interrupt was between xen_iret_start_crit - and xen_iret_end_crit. We're passed the EIP in %eax so we can do - a more refined determination of what to do. - - The stack format at this point is: - ---------------- - ss : (ss/esp may be present if we came from usermode) - esp : - eflags } outer exception info - cs } - eip } - ---------------- <- edi (copy dest) - eax : outer eax if it hasn't been restored - ---------------- - eflags } nested exception info - cs } (no ss/esp because we're nested - eip } from the same ring) - orig_eax }<- esi (copy src) - - - - - - - - - - fs } - es } - ds } SAVE_ALL state - eax } - : : - ebx }<- esp - ---------------- - - In order to deliver the nested exception properly, we need to shift - everything from the return addr up to the error code so it - sits just under the outer exception info. This means that when we - handle the exception, we do it in the context of the outer exception - rather than starting a new one. - - The only caveat is that if the outer eax hasn't been - restored yet (ie, it's still on stack), we need to insert - its value into the SAVE_ALL state before going on, since - it's usermode state which we eventually need to restore. + * This is called by xen_hypervisor_callback in entry.S when it sees + * that the EIP at the time of interrupt was between + * xen_iret_start_crit and xen_iret_end_crit. We're passed the EIP in + * %eax so we can do a more refined determination of what to do. + * + * The stack format at this point is: + * ---------------- + * ss : (ss/esp may be present if we came from usermode) + * esp : + * eflags } outer exception info + * cs } + * eip } + * ---------------- <- edi (copy dest) + * eax : outer eax if it hasn't been restored + * ---------------- + * eflags } nested exception info + * cs } (no ss/esp because we're nested + * eip } from the same ring) + * orig_eax }<- esi (copy src) + * - - - - - - - - + * fs } + * es } + * ds } SAVE_ALL state + * eax } + * : : + * ebx }<- esp + * ---------------- + * + * In order to deliver the nested exception properly, we need to shift + * everything from the return addr up to the error code so it sits + * just under the outer exception info. This means that when we + * handle the exception, we do it in the context of the outer + * exception rather than starting a new one. + * + * The only caveat is that if the outer eax hasn't been restored yet + * (ie, it's still on stack), we need to insert its value into the + * SAVE_ALL state before going on, since it's usermode state which we + * eventually need to restore. */ ENTRY(xen_iret_crit_fixup) /* - Paranoia: Make sure we're really coming from kernel space. - One could imagine a case where userspace jumps into the - critical range address, but just before the CPU delivers a GP, - it decides to deliver an interrupt instead. Unlikely? - Definitely. Easy to avoid? Yes. The Intel documents - explicitly say that the reported EIP for a bad jump is the - jump instruction itself, not the destination, but some virtual - environments get this wrong. + * Paranoia: Make sure we're really coming from kernel space. + * One could imagine a case where userspace jumps into the + * critical range address, but just before the CPU delivers a + * GP, it decides to deliver an interrupt instead. Unlikely? + * Definitely. Easy to avoid? Yes. The Intel documents + * explicitly say that the reported EIP for a bad jump is the + * jump instruction itself, not the destination, but some + * virtual environments get this wrong. */ movl PT_CS(%esp), %ecx andl $SEGMENT_RPL_MASK, %ecx @@ -197,15 +205,17 @@ ENTRY(xen_iret_crit_fixup) lea PT_ORIG_EAX(%esp), %esi lea PT_EFLAGS(%esp), %edi - /* If eip is before iret_restore_end then stack - hasn't been restored yet. */ + /* + * If eip is before iret_restore_end then stack + * hasn't been restored yet. + */ cmp $iret_restore_end, %eax jae 1f - movl 0+4(%edi),%eax /* copy EAX (just above top of frame) */ + movl 0+4(%edi), %eax /* copy EAX (just above top of frame) */ movl %eax, PT_EAX(%esp) - lea ESP_OFFSET(%edi),%edi /* move dest up over saved regs */ + lea ESP_OFFSET(%edi), %edi /* move dest up over saved regs */ /* set up the copy */ 1: std @@ -213,6 +223,6 @@ ENTRY(xen_iret_crit_fixup) rep movsl cld - lea 4(%edi),%esp /* point esp to new frame */ + lea 4(%edi), %esp /* point esp to new frame */ 2: jmp xen_do_upcall diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S index d205a28..02f496a 100644 --- a/arch/x86/xen/xen-asm_64.S +++ b/arch/x86/xen/xen-asm_64.S @@ -1,14 +1,14 @@ /* - Asm versions of Xen pv-ops, suitable for either direct use or inlining. - The inline versions are the same as the direct-use versions, with the - pre- and post-amble chopped off. - - This code is encoded for size rather than absolute efficiency, - with a view to being able to inline as much as possible. - - We only bother with direct forms (ie, vcpu in pda) of the operations - here; the indirect forms are better handled in C, since they're - generally too large to inline anyway. + * Asm versions of Xen pv-ops, suitable for either direct use or + * inlining. The inline versions are the same as the direct-use + * versions, with the pre- and post-amble chopped off. + * + * This code is encoded for size rather than absolute efficiency, with + * a view to being able to inline as much as possible. + * + * We only bother with direct forms (ie, vcpu in pda) of the + * operations here; the indirect forms are better handled in C, since + * they're generally too large to inline anyway. */ #include <asm/errno.h> @@ -21,25 +21,25 @@ #include "xen-asm.h" ENTRY(xen_adjust_exception_frame) - mov 8+0(%rsp),%rcx - mov 8+8(%rsp),%r11 + mov 8+0(%rsp), %rcx + mov 8+8(%rsp), %r11 ret $16 hypercall_iret = hypercall_page + __HYPERVISOR_iret * 32 /* - Xen64 iret frame: - - ss - rsp - rflags - cs - rip <-- standard iret frame - - flags - - rcx } - r11 }<-- pushed by hypercall page -rsp -> rax } + * Xen64 iret frame: + * + * ss + * rsp + * rflags + * cs + * rip <-- standard iret frame + * + * flags + * + * rcx } + * r11 }<-- pushed by hypercall page + * rsp->rax } */ ENTRY(xen_iret) pushq $0 @@ -48,8 +48,8 @@ ENDPATCH(xen_iret) RELOC(xen_iret, 1b+1) /* - sysexit is not used for 64-bit processes, so it's - only ever used to return to 32-bit compat userspace. + * sysexit is not used for 64-bit processes, so it's only ever used to + * return to 32-bit compat userspace. */ ENTRY(xen_sysexit) pushq $__USER32_DS @@ -64,10 +64,12 @@ ENDPATCH(xen_sysexit) RELOC(xen_sysexit, 1b+1) ENTRY(xen_sysret64) - /* We're already on the usermode stack at this point, but still - with the kernel gs, so we can easily switch back */ + /* + * We're already on the usermode stack at this point, but + * still with the kernel gs, so we can easily switch back + */ movq %rsp, PER_CPU_VAR(old_rsp) - movq PER_CPU_VAR(kernel_stack),%rsp + movq PER_CPU_VAR(kernel_stack), %rsp pushq $__USER_DS pushq PER_CPU_VAR(old_rsp) @@ -81,8 +83,10 @@ ENDPATCH(xen_sysret64) RELOC(xen_sysret64, 1b+1) ENTRY(xen_sysret32) - /* We're already on the usermode stack at this point, but still - with the kernel gs, so we can easily switch back */ + /* + * We're already on the usermode stack at this point, but + * still with the kernel gs, so we can easily switch back + */ movq %rsp, PER_CPU_VAR(old_rsp) movq PER_CPU_VAR(kernel_stack), %rsp @@ -98,28 +102,27 @@ ENDPATCH(xen_sysret32) RELOC(xen_sysret32, 1b+1) /* - Xen handles syscall callbacks much like ordinary exceptions, - which means we have: - - kernel gs - - kernel rsp - - an iret-like stack frame on the stack (including rcx and r11): - ss - rsp - rflags - cs - rip - r11 - rsp-> rcx - - In all the entrypoints, we undo all that to make it look - like a CPU-generated syscall/sysenter and jump to the normal - entrypoint. + * Xen handles syscall callbacks much like ordinary exceptions, which + * means we have: + * - kernel gs + * - kernel rsp + * - an iret-like stack frame on the stack (including rcx and r11): + * ss + * rsp + * rflags + * cs + * rip + * r11 + * rsp->rcx + * + * In all the entrypoints, we undo all that to make it look like a + * CPU-generated syscall/sysenter and jump to the normal entrypoint. */ .macro undo_xen_syscall - mov 0*8(%rsp),%rcx - mov 1*8(%rsp),%r11 - mov 5*8(%rsp),%rsp + mov 0*8(%rsp), %rcx + mov 1*8(%rsp), %r11 + mov 5*8(%rsp), %rsp .endm /* Normal 64-bit system call target */ @@ -146,7 +149,7 @@ ENDPROC(xen_sysenter_target) ENTRY(xen_syscall32_target) ENTRY(xen_sysenter_target) - lea 16(%rsp), %rsp /* strip %rcx,%r11 */ + lea 16(%rsp), %rsp /* strip %rcx, %r11 */ mov $-ENOSYS, %rax pushq $VGCF_in_syscall jmp hypercall_iret diff --git a/arch/xtensa/include/asm/swab.h b/arch/xtensa/include/asm/swab.h index f50b697..226a391 100644 --- a/arch/xtensa/include/asm/swab.h +++ b/arch/xtensa/include/asm/swab.h @@ -11,7 +11,7 @@ #ifndef _XTENSA_SWAB_H #define _XTENSA_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #include <linux/compiler.h> #define __SWAB_64_THRU_32__ diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index c3e841f..ab0aff3 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -365,7 +365,7 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id) /******************************************************************************* * - * FUNCTION: acpi_get_table + * FUNCTION: acpi_get_table_with_size * * PARAMETERS: Signature - ACPI signature of needed table * Instance - Which instance (for SSDTs) @@ -377,8 +377,9 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id) * *****************************************************************************/ acpi_status -acpi_get_table(char *signature, - u32 instance, struct acpi_table_header **out_table) +acpi_get_table_with_size(char *signature, + u32 instance, struct acpi_table_header **out_table, + acpi_size *tbl_size) { u32 i; u32 j; @@ -408,6 +409,7 @@ acpi_get_table(char *signature, acpi_tb_verify_table(&acpi_gbl_root_table_list.tables[i]); if (ACPI_SUCCESS(status)) { *out_table = acpi_gbl_root_table_list.tables[i].pointer; + *tbl_size = acpi_gbl_root_table_list.tables[i].length; } if (!acpi_gbl_permanent_mmap) { @@ -420,6 +422,15 @@ acpi_get_table(char *signature, return (AE_NOT_FOUND); } +acpi_status +acpi_get_table(char *signature, + u32 instance, struct acpi_table_header **out_table) +{ + acpi_size tbl_size; + + return acpi_get_table_with_size(signature, + instance, out_table, &tbl_size); +} ACPI_EXPORT_SYMBOL(acpi_get_table) /******************************************************************************* diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index b3193ec..d1dd516 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -274,12 +274,19 @@ EXPORT_SYMBOL_GPL(acpi_os_map_memory); void acpi_os_unmap_memory(void __iomem * virt, acpi_size size) { - if (acpi_gbl_permanent_mmap) { + if (acpi_gbl_permanent_mmap) iounmap(virt); - } + else + __acpi_unmap_table(virt, size); } EXPORT_SYMBOL_GPL(acpi_os_unmap_memory); +void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size) +{ + if (!acpi_gbl_permanent_mmap) + __acpi_unmap_table(virt, size); +} + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_os_get_physical_address(void *virt, acpi_physical_address * phys) diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index a885295..fec1ae3 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -181,14 +181,15 @@ acpi_table_parse_entries(char *id, struct acpi_subtable_header *entry; unsigned int count = 0; unsigned long table_end; + acpi_size tbl_size; if (!handler) return -EINVAL; if (strncmp(id, ACPI_SIG_MADT, 4) == 0) - acpi_get_table(id, acpi_apic_instance, &table_header); + acpi_get_table_with_size(id, acpi_apic_instance, &table_header, &tbl_size); else - acpi_get_table(id, 0, &table_header); + acpi_get_table_with_size(id, 0, &table_header, &tbl_size); if (!table_header) { printk(KERN_WARNING PREFIX "%4.4s not present\n", id); @@ -206,8 +207,10 @@ acpi_table_parse_entries(char *id, table_end) { if (entry->type == entry_id && (!max_entries || count++ < max_entries)) - if (handler(entry, table_end)) + if (handler(entry, table_end)) { + early_acpi_os_unmap_memory((char *)table_header, tbl_size); return -EINVAL; + } entry = (struct acpi_subtable_header *) ((unsigned long)entry + entry->length); @@ -217,6 +220,7 @@ acpi_table_parse_entries(char *id, "%i found\n", id, entry_id, count - max_entries, count); } + early_acpi_os_unmap_memory((char *)table_header, tbl_size); return count; } @@ -241,17 +245,19 @@ acpi_table_parse_madt(enum acpi_madt_type id, int __init acpi_table_parse(char *id, acpi_table_handler handler) { struct acpi_table_header *table = NULL; + acpi_size tbl_size; if (!handler) return -EINVAL; if (strncmp(id, ACPI_SIG_MADT, 4) == 0) - acpi_get_table(id, acpi_apic_instance, &table); + acpi_get_table_with_size(id, acpi_apic_instance, &table, &tbl_size); else - acpi_get_table(id, 0, &table); + acpi_get_table_with_size(id, 0, &table, &tbl_size); if (table) { handler(table); + early_acpi_os_unmap_memory(table, tbl_size); return 0; } else return 1; @@ -265,8 +271,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler) static void __init check_multiple_madt(void) { struct acpi_table_header *table = NULL; + acpi_size tbl_size; - acpi_get_table(ACPI_SIG_MADT, 2, &table); + acpi_get_table_with_size(ACPI_SIG_MADT, 2, &table, &tbl_size); if (table) { printk(KERN_WARNING PREFIX "BIOS bug: multiple APIC/MADT found," @@ -275,6 +282,7 @@ static void __init check_multiple_madt(void) "If \"acpi_apic_instance=%d\" works better, " "notify linux-acpi@vger.kernel.org\n", acpi_apic_instance ? 0 : 2); + early_acpi_os_unmap_memory(table, tbl_size); } else acpi_apic_instance = 0; diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index 3ab3e4a..7b7ddc2 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -938,8 +938,8 @@ static int __init ibft_init(void) return -ENOMEM; if (ibft_addr) { - printk(KERN_INFO "iBFT detected at 0x%lx.\n", - virt_to_phys((void *)ibft_addr)); + printk(KERN_INFO "iBFT detected at 0x%llx.\n", + (u64)virt_to_phys((void *)ibft_addr)); rc = ibft_check_device(); if (rc) diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c index 8df849f..b756f04 100644 --- a/drivers/gpu/drm/drm_proc.c +++ b/drivers/gpu/drm/drm_proc.c @@ -678,9 +678,9 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request, *start = &buf[offset]; *eof = 0; - DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", + DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%llx\n", atomic_read(&dev->vma_count), - high_memory, virt_to_phys(high_memory)); + high_memory, (u64)virt_to_phys(high_memory)); list_for_each_entry(pt, &dev->vmalist, head) { if (!(vma = pt->vma)) continue; diff --git a/drivers/misc/sgi-gru/gru.h b/drivers/misc/sgi-gru/gru.h index 1b5f579..f93f03a 100644 --- a/drivers/misc/sgi-gru/gru.h +++ b/drivers/misc/sgi-gru/gru.h @@ -19,8 +19,6 @@ #ifndef __GRU_H__ #define __GRU_H__ -#include <asm/uv/uv.h> - /* * GRU architectural definitions */ diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index 6509838..c67e4e8 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -36,23 +36,11 @@ #include <linux/interrupt.h> #include <linux/proc_fs.h> #include <linux/uaccess.h> +#include <asm/uv/uv.h> #include "gru.h" #include "grulib.h" #include "grutables.h" -#if defined CONFIG_X86_64 -#include <asm/genapic.h> -#include <asm/irq.h> -#define IS_UV() is_uv_system() -#elif defined CONFIG_IA64 -#include <asm/system.h> -#include <asm/sn/simulator.h> -/* temp support for running on hardware simulator */ -#define IS_UV() IS_MEDUSA() || ia64_platform_is("uv") -#else -#define IS_UV() 0 -#endif - #include <asm/uv/uv_hub.h> #include <asm/uv/uv_mmrs.h> @@ -381,7 +369,7 @@ static int __init gru_init(void) char id[10]; void *gru_start_vaddr; - if (!IS_UV()) + if (!is_uv_system()) return 0; #if defined CONFIG_IA64 @@ -451,7 +439,7 @@ static void __exit gru_exit(void) int order = get_order(sizeof(struct gru_state) * GRU_CHIPLETS_PER_BLADE); - if (!IS_UV()) + if (!is_uv_system()) return; for (i = 0; i < GRU_CHIPLETS_PER_BLADE; i++) diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h index 069ad3a..2275126 100644 --- a/drivers/misc/sgi-xp/xp.h +++ b/drivers/misc/sgi-xp/xp.h @@ -15,21 +15,19 @@ #include <linux/mutex.h> +#if defined CONFIG_X86_UV || defined CONFIG_IA64_SGI_UV #include <asm/uv/uv.h> +#define is_uv() is_uv_system() +#endif + +#ifndef is_uv +#define is_uv() 0 +#endif -#ifdef CONFIG_IA64 +#if defined CONFIG_IA64 #include <asm/system.h> #include <asm/sn/arch.h> /* defines is_shub1() and is_shub2() */ #define is_shub() ia64_platform_is("sn2") -#ifdef CONFIG_IA64_SGI_UV -#define is_uv() ia64_platform_is("uv") -#else -#define is_uv() 0 -#endif -#endif -#ifdef CONFIG_X86_64 -#include <asm/genapic.h> -#define is_uv() is_uv_system() #endif #ifndef is_shub1 @@ -44,10 +42,6 @@ #define is_shub() 0 #endif -#ifndef is_uv -#define is_uv() 0 -#endif - #ifdef USE_DBUG_ON #define DBUG_ON(condition) BUG_ON(condition) #else diff --git a/drivers/net/ne3210.c b/drivers/net/ne3210.c index fac43fd..6a843f7 100644 --- a/drivers/net/ne3210.c +++ b/drivers/net/ne3210.c @@ -150,7 +150,8 @@ static int __init ne3210_eisa_probe (struct device *device) if (phys_mem < virt_to_phys(high_memory)) { printk(KERN_CRIT "ne3210.c: Card RAM overlaps with normal memory!!!\n"); printk(KERN_CRIT "ne3210.c: Use EISA SCU to set card memory below 1MB,\n"); - printk(KERN_CRIT "ne3210.c: or to an address above 0x%lx.\n", virt_to_phys(high_memory)); + printk(KERN_CRIT "ne3210.c: or to an address above 0x%llx.\n", + (u64)virt_to_phys(high_memory)); printk(KERN_CRIT "ne3210.c: Driver NOT installed.\n"); retval = -EINVAL; goto out3; diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index d5378e6..064307c 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -338,10 +338,10 @@ static int falcon_alloc_special_buffer(struct efx_nic *efx, nic_data->next_buffer_table += buffer->entries; EFX_LOG(efx, "allocating special buffers %d-%d at %llx+%x " - "(virt %p phys %lx)\n", buffer->index, + "(virt %p phys %llx)\n", buffer->index, buffer->index + buffer->entries - 1, - (unsigned long long)buffer->dma_addr, len, - buffer->addr, virt_to_phys(buffer->addr)); + (u64)buffer->dma_addr, len, + buffer->addr, (u64)virt_to_phys(buffer->addr)); return 0; } @@ -353,10 +353,10 @@ static void falcon_free_special_buffer(struct efx_nic *efx, return; EFX_LOG(efx, "deallocating special buffers %d-%d at %llx+%x " - "(virt %p phys %lx)\n", buffer->index, + "(virt %p phys %llx)\n", buffer->index, buffer->index + buffer->entries - 1, - (unsigned long long)buffer->dma_addr, buffer->len, - buffer->addr, virt_to_phys(buffer->addr)); + (u64)buffer->dma_addr, buffer->len, + buffer->addr, (u64)virt_to_phys(buffer->addr)); pci_free_consistent(efx->pci_dev, buffer->len, buffer->addr, buffer->dma_addr); @@ -2343,10 +2343,10 @@ int falcon_probe_port(struct efx_nic *efx) FALCON_MAC_STATS_SIZE); if (rc) return rc; - EFX_LOG(efx, "stats buffer at %llx (virt %p phys %lx)\n", - (unsigned long long)efx->stats_buffer.dma_addr, + EFX_LOG(efx, "stats buffer at %llx (virt %p phys %llx)\n", + (u64)efx->stats_buffer.dma_addr, efx->stats_buffer.addr, - virt_to_phys(efx->stats_buffer.addr)); + (u64)virt_to_phys(efx->stats_buffer.addr)); return 0; } @@ -2921,9 +2921,9 @@ int falcon_probe_nic(struct efx_nic *efx) goto fail4; BUG_ON(efx->irq_status.dma_addr & 0x0f); - EFX_LOG(efx, "INT_KER at %llx (virt %p phys %lx)\n", - (unsigned long long)efx->irq_status.dma_addr, - efx->irq_status.addr, virt_to_phys(efx->irq_status.addr)); + EFX_LOG(efx, "INT_KER at %llx (virt %p phys %llx)\n", + (u64)efx->irq_status.dma_addr, + efx->irq_status.addr, (u64)virt_to_phys(efx->irq_status.addr)); falcon_probe_spi_devices(efx); diff --git a/drivers/net/wireless/arlan-main.c b/drivers/net/wireless/arlan-main.c index bfca15d..14c1165 100644 --- a/drivers/net/wireless/arlan-main.c +++ b/drivers/net/wireless/arlan-main.c @@ -1082,8 +1082,8 @@ static int __init arlan_probe_here(struct net_device *dev, if (arlan_check_fingerprint(memaddr)) return -ENODEV; - printk(KERN_NOTICE "%s: Arlan found at %x, \n ", dev->name, - (int) virt_to_phys((void*)memaddr)); + printk(KERN_NOTICE "%s: Arlan found at %llx, \n ", dev->name, + (u64) virt_to_phys((void*)memaddr)); ap->card = (void *) memaddr; dev->mem_start = memaddr; diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index f5a662a..519f5f9 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -42,6 +42,7 @@ LIST_HEAD(dmar_drhd_units); static struct acpi_table_header * __initdata dmar_tbl; +static acpi_size dmar_tbl_size; static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd) { @@ -288,8 +289,9 @@ static int __init dmar_table_detect(void) acpi_status status = AE_OK; /* if we could find DMAR table, then there are DMAR devices */ - status = acpi_get_table(ACPI_SIG_DMAR, 0, - (struct acpi_table_header **)&dmar_tbl); + status = acpi_get_table_with_size(ACPI_SIG_DMAR, 0, + (struct acpi_table_header **)&dmar_tbl, + &dmar_tbl_size); if (ACPI_SUCCESS(status) && !dmar_tbl) { printk (KERN_WARNING PREFIX "Unable to map DMAR\n"); @@ -481,6 +483,7 @@ void __init detect_intel_iommu(void) iommu_detected = 1; #endif } + early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size); dmar_tbl = NULL; } diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index a62720a..ab0b85c 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -144,6 +144,7 @@ void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_size length); void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size); +void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size); #ifdef ACPI_FUTURE_USAGE acpi_status diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index c8e8cf4..cc40102 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -130,6 +130,10 @@ acpi_get_table_header(acpi_string signature, struct acpi_table_header *out_table_header); acpi_status +acpi_get_table_with_size(acpi_string signature, + u32 instance, struct acpi_table_header **out_table, + acpi_size *tbl_size); +acpi_status acpi_get_table(acpi_string signature, u32 instance, struct acpi_table_header **out_table); diff --git a/include/asm-frv/swab.h b/include/asm-frv/swab.h index afb3396..f305834 100644 --- a/include/asm-frv/swab.h +++ b/include/asm-frv/swab.h @@ -1,7 +1,7 @@ #ifndef _ASM_SWAB_H #define _ASM_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __SWAB_64_THRU_32__ diff --git a/include/asm-m32r/swab.h b/include/asm-m32r/swab.h index 97973e1..54dab00 100644 --- a/include/asm-m32r/swab.h +++ b/include/asm-m32r/swab.h @@ -1,7 +1,7 @@ #ifndef _ASM_M32R_SWAB_H #define _ASM_M32R_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __SWAB_64_THRU_32__ diff --git a/include/asm-mn10300/swab.h b/include/asm-mn10300/swab.h index 4504d1b..bd818a8 100644 --- a/include/asm-mn10300/swab.h +++ b/include/asm-mn10300/swab.h @@ -11,7 +11,7 @@ #ifndef _ASM_SWAB_H #define _ASM_SWAB_H -#include <asm/types.h> +#include <linux/types.h> #ifdef __GNUC__ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 6fce2fc..7819915 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -79,6 +79,7 @@ typedef int (*acpi_table_handler) (struct acpi_table_header *table); typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); char * __acpi_map_table (unsigned long phys_addr, unsigned long size); +void __acpi_unmap_table(char *map, unsigned long size); int early_acpi_boot_init(void); int acpi_boot_init (void); int acpi_boot_table_init (void); diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index 07ae8f8..5b5d473 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -6,6 +6,7 @@ #define CODA_PSDEV_MAJOR 67 #define MAX_CODADEVS 5 /* how many do we allow */ +#ifdef __KERNEL__ struct kstatfs; /* communication pending/processing queues */ @@ -24,7 +25,6 @@ static inline struct venus_comm *coda_vcp(struct super_block *sb) return (struct venus_comm *)((sb)->s_fs_info); } - /* upcalls */ int venus_rootfid(struct super_block *sb, struct CodaFid *fidp); int venus_getattr(struct super_block *sb, struct CodaFid *fid, @@ -64,6 +64,12 @@ int coda_downcall(int opcode, union outputArgs *out, struct super_block *sb); int venus_fsync(struct super_block *sb, struct CodaFid *fid); int venus_statfs(struct dentry *dentry, struct kstatfs *sfs); +/* + * Statistics + */ + +extern struct venus_comm coda_comms[]; +#endif /* __KERNEL__ */ /* messages between coda filesystem in kernel and Venus */ struct upc_req { @@ -82,11 +88,4 @@ struct upc_req { #define REQ_WRITE 0x4 #define REQ_ABORT 0x8 - -/* - * Statistics - */ - -extern struct venus_comm coda_comms[]; - #endif diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index 5ca54d7..7605c5e 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -111,6 +111,15 @@ static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *re #endif } +static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs) +{ +#ifdef ELF_CORE_COPY_KERNEL_REGS + ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs); +#else + elf_core_copy_regs(elfregs, regs); +#endif +} + static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs) { #ifdef ELF_CORE_COPY_TASK_REGS diff --git a/include/linux/in6.h b/include/linux/in6.h index bc49204..718bf21 100644 --- a/include/linux/in6.h +++ b/include/linux/in6.h @@ -44,11 +44,11 @@ struct in6_addr * NOTE: Be aware the IN6ADDR_* constants and in6addr_* externals are defined * in network byte order, not in host byte order as are the IPv4 equivalents */ +#ifdef __KERNEL__ extern const struct in6_addr in6addr_any; #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } } extern const struct in6_addr in6addr_loopback; #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } -#ifdef __KERNEL__ extern const struct in6_addr in6addr_linklocal_allnodes; #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ { { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } diff --git a/include/linux/mm.h b/include/linux/mm.h index 3235615..7dc04ff 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1304,5 +1304,6 @@ void vmemmap_populate_print_last(void); extern void *alloc_locked_buffer(size_t size); extern void free_locked_buffer(void *buffer, size_t size); +extern void release_locked_buffer(void *buffer, size_t size); #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/include/linux/nubus.h b/include/linux/nubus.h index 7382af3..e137b3c 100644 --- a/include/linux/nubus.h +++ b/include/linux/nubus.h @@ -237,6 +237,7 @@ struct nubus_dirent int mask; }; +#ifdef __KERNEL__ struct nubus_board { struct nubus_board* next; struct nubus_dev* first_dev; @@ -351,6 +352,7 @@ void nubus_get_rsrc_mem(void* dest, void nubus_get_rsrc_str(void* dest, const struct nubus_dirent *dirent, int maxlen); +#endif /* __KERNEL__ */ /* We'd like to get rid of this eventually. Only daynaport.c uses it now. */ static inline void *nubus_slot_addr(int slot) diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 0e24202..3577ffd 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -8,8 +8,15 @@ #include <asm/percpu.h> +#ifndef PER_CPU_BASE_SECTION #ifdef CONFIG_SMP #define PER_CPU_BASE_SECTION ".data.percpu" +#else +#define PER_CPU_BASE_SECTION ".data" +#endif +#endif + +#ifdef CONFIG_SMP #ifdef MODULE #define PER_CPU_SHARED_ALIGNED_SECTION "" @@ -20,7 +27,6 @@ #else -#define PER_CPU_BASE_SECTION ".data" #define PER_CPU_SHARED_ALIGNED_SECTION "" #define PER_CPU_FIRST_SECTION "" diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index bc5114d..e356c99 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -28,8 +28,6 @@ #include <linux/reiserfs_fs_sb.h> #endif -struct fid; - /* * include/linux/reiser_fs.h * @@ -37,6 +35,33 @@ struct fid; * */ +/* ioctl's command */ +#define REISERFS_IOC_UNPACK _IOW(0xCD,1,long) +/* define following flags to be the same as in ext2, so that chattr(1), + lsattr(1) will work with us. */ +#define REISERFS_IOC_GETFLAGS FS_IOC_GETFLAGS +#define REISERFS_IOC_SETFLAGS FS_IOC_SETFLAGS +#define REISERFS_IOC_GETVERSION FS_IOC_GETVERSION +#define REISERFS_IOC_SETVERSION FS_IOC_SETVERSION + +#ifdef __KERNEL__ +/* the 32 bit compat definitions with int argument */ +#define REISERFS_IOC32_UNPACK _IOW(0xCD, 1, int) +#define REISERFS_IOC32_GETFLAGS FS_IOC32_GETFLAGS +#define REISERFS_IOC32_SETFLAGS FS_IOC32_SETFLAGS +#define REISERFS_IOC32_GETVERSION FS_IOC32_GETVERSION +#define REISERFS_IOC32_SETVERSION FS_IOC32_SETVERSION + +/* Locking primitives */ +/* Right now we are still falling back to (un)lock_kernel, but eventually that + would evolve into real per-fs locks */ +#define reiserfs_write_lock( sb ) lock_kernel() +#define reiserfs_write_unlock( sb ) unlock_kernel() + +/* xattr stuff */ +#define REISERFS_XATTR_DIR_SEM(s) (REISERFS_SB(s)->xattr_dir_sem) +struct fid; + /* in reading the #defines, it may help to understand that they employ the following abbreviations: @@ -698,6 +723,7 @@ static inline void cpu_key_k_offset_dec(struct cpu_key *key) /* object identifier for root dir */ #define REISERFS_ROOT_OBJECTID 2 #define REISERFS_ROOT_PARENT_OBJECTID 1 + extern struct reiserfs_key root_key; /* @@ -1540,7 +1566,6 @@ struct reiserfs_iget_args { /* FUNCTION DECLARATIONS */ /***************************************************************************/ -/*#ifdef __KERNEL__*/ #define get_journal_desc_magic(bh) (bh->b_data + bh->b_size - 12) #define journal_trans_half(blocksize) \ @@ -2178,29 +2203,6 @@ long reiserfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); int reiserfs_unpack(struct inode *inode, struct file *filp); -/* ioctl's command */ -#define REISERFS_IOC_UNPACK _IOW(0xCD,1,long) -/* define following flags to be the same as in ext2, so that chattr(1), - lsattr(1) will work with us. */ -#define REISERFS_IOC_GETFLAGS FS_IOC_GETFLAGS -#define REISERFS_IOC_SETFLAGS FS_IOC_SETFLAGS -#define REISERFS_IOC_GETVERSION FS_IOC_GETVERSION -#define REISERFS_IOC_SETVERSION FS_IOC_SETVERSION - -/* the 32 bit compat definitions with int argument */ -#define REISERFS_IOC32_UNPACK _IOW(0xCD, 1, int) -#define REISERFS_IOC32_GETFLAGS FS_IOC32_GETFLAGS -#define REISERFS_IOC32_SETFLAGS FS_IOC32_SETFLAGS -#define REISERFS_IOC32_GETVERSION FS_IOC32_GETVERSION -#define REISERFS_IOC32_SETVERSION FS_IOC32_SETVERSION - -/* Locking primitives */ -/* Right now we are still falling back to (un)lock_kernel, but eventually that - would evolve into real per-fs locks */ -#define reiserfs_write_lock( sb ) lock_kernel() -#define reiserfs_write_unlock( sb ) unlock_kernel() - -/* xattr stuff */ -#define REISERFS_XATTR_DIR_SEM(s) (REISERFS_SB(s)->xattr_dir_sem) +#endif /* __KERNEL__ */ #endif /* _LINUX_REISER_FS_H */ diff --git a/include/linux/socket.h b/include/linux/socket.h index 20fc4bb..afc0190 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -24,10 +24,12 @@ struct __kernel_sockaddr_storage { #include <linux/types.h> /* pid_t */ #include <linux/compiler.h> /* __user */ -#ifdef CONFIG_PROC_FS +#ifdef __KERNEL__ +# ifdef CONFIG_PROC_FS struct seq_file; extern void socket_seq_show(struct seq_file *seq); -#endif +# endif +#endif /* __KERNEL__ */ typedef unsigned short sa_family_t; diff --git a/include/linux/types.h b/include/linux/types.h index 712ca53..fca82ed5 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -1,6 +1,9 @@ #ifndef _LINUX_TYPES_H #define _LINUX_TYPES_H +#include <asm/types.h> + +#ifndef __ASSEMBLY__ #ifdef __KERNEL__ #define DECLARE_BITMAP(name,bits) \ @@ -9,7 +12,6 @@ #endif #include <linux/posix_types.h> -#include <asm/types.h> #ifndef __KERNEL_STRICT_NAMES @@ -212,5 +214,5 @@ struct ustat { }; #endif /* __KERNEL__ */ - +#endif /* __ASSEMBLY__ */ #endif /* _LINUX_TYPES_H */ diff --git a/kernel/kexec.c b/kernel/kexec.c index 8a6d7b0..795e7b6 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1130,7 +1130,7 @@ void crash_save_cpu(struct pt_regs *regs, int cpu) return; memset(&prstatus, 0, sizeof(prstatus)); prstatus.pr_pid = current->pid; - elf_core_copy_regs(&prstatus.pr_reg, regs); + elf_core_copy_kernel_regs(&prstatus.pr_reg, regs); buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS, &prstatus, sizeof(prstatus)); final_note(buf); diff --git a/kernel/panic.c b/kernel/panic.c index 33cab3d..32fe4ef 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -359,10 +359,6 @@ EXPORT_SYMBOL(warn_slowpath); #ifdef CONFIG_CC_STACKPROTECTOR -#ifndef GCC_HAS_SP -#warning You have selected the CONFIG_CC_STACKPROTECTOR option, but the gcc used does not support this. -#endif - /* * Called when gcc's -fstack-protector feature is used, and * gcc detects corruption of the on-stack canary value @@ -660,7 +660,7 @@ void *alloc_locked_buffer(size_t size) return buffer; } -void free_locked_buffer(void *buffer, size_t size) +void release_locked_buffer(void *buffer, size_t size) { unsigned long pgsz = PAGE_ALIGN(size) >> PAGE_SHIFT; @@ -670,6 +670,11 @@ void free_locked_buffer(void *buffer, size_t size) current->mm->locked_vm -= pgsz; up_write(¤t->mm->mmap_sem); +} + +void free_locked_buffer(void *buffer, size_t size) +{ + release_locked_buffer(buffer, size); kfree(buffer); } diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh new file mode 100644 index 0000000..29493dc --- /dev/null +++ b/scripts/gcc-x86_32-has-stack-protector.sh @@ -0,0 +1,8 @@ +#!/bin/sh + +echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs" +if [ "$?" -eq "0" ] ; then + echo y +else + echo n +fi diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh index 325c0a1..afaec61 100644 --- a/scripts/gcc-x86_64-has-stack-protector.sh +++ b/scripts/gcc-x86_64-has-stack-protector.sh @@ -1,6 +1,8 @@ #!/bin/sh -echo "int foo(void) { char X[200]; return 3; }" | $1 -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" if [ "$?" -eq "0" ] ; then - echo $2 + echo y +else + echo n fi diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl index db30fac..56f90a4 100644 --- a/scripts/headers_check.pl +++ b/scripts/headers_check.pl @@ -38,7 +38,7 @@ foreach my $file (@files) { &check_asm_types(); &check_sizetypes(); &check_prototypes(); - &check_config(); + # Dropped for now. Too much noise &check_config(); } close FH; } diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 8892161..7e62303 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -415,8 +415,9 @@ static int parse_elf(struct elf_info *info, const char *filename) const char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; const char *secname; + int nobits = sechdrs[i].sh_type == SHT_NOBITS; - if (sechdrs[i].sh_offset > info->size) { + if (!nobits && sechdrs[i].sh_offset > info->size) { fatal("%s is truncated. sechdrs[i].sh_offset=%lu > " "sizeof(*hrd)=%zu\n", filename, (unsigned long)sechdrs[i].sh_offset, @@ -425,6 +426,8 @@ static int parse_elf(struct elf_info *info, const char *filename) } secname = secstrings + sechdrs[i].sh_name; if (strcmp(secname, ".modinfo") == 0) { + if (nobits) + fatal("%s has NOBITS .modinfo\n", filename); info->modinfo = (void *)hdr + sechdrs[i].sh_offset; info->modinfo_len = sechdrs[i].sh_size; } else if (strcmp(secname, "__ksymtab") == 0) |
