diff options
author | Anton Vorontsov <cbouatmailru@gmail.com> | 2011-11-25 02:49:45 +0400 |
---|---|---|
committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2011-11-25 02:54:59 +0400 |
commit | 47f0ac2b0a8c7f26b513a2a18045219b030aedf1 (patch) | |
tree | 27f33a5c1e40ee2a494758c1da2e03e86a09e32c /arch | |
parent | 7925231037447d1a9036f31c823d362bf2ef4bb0 (diff) | |
parent | c3b92c8787367a8bb53d57d9789b558f1295cc96 (diff) | |
download | op-kernel-dev-47f0ac2b0a8c7f26b513a2a18045219b030aedf1.zip op-kernel-dev-47f0ac2b0a8c7f26b513a2a18045219b030aedf1.tar.gz |
Merge tag 'v3.1' from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git into master
Battery tree missed last merge window, so it became stale enough
so that patches no longer apply as people use pretty recent kernels.
Diffstat (limited to 'arch')
275 files changed, 1872 insertions, 936 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 60cde53..8bb9362 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -51,7 +51,7 @@ config GENERIC_CMOS_UPDATE def_bool y config GENERIC_GPIO - def_bool y + bool config ZONE_DMA bool diff --git a/arch/alpha/include/asm/sysinfo.h b/arch/alpha/include/asm/sysinfo.h index 086aba2..e77d77c 100644 --- a/arch/alpha/include/asm/sysinfo.h +++ b/arch/alpha/include/asm/sysinfo.h @@ -27,13 +27,4 @@ #define UAC_NOFIX 2 #define UAC_SIGBUS 4 - -#ifdef __KERNEL__ - -/* This is the shift that is applied to the UAC bits as stored in the - per-thread flags. See thread_info.h. */ -#define UAC_SHIFT 6 - -#endif - #endif /* __ASM_ALPHA_SYSINFO_H */ diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 6f32f9c..ff73db0 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -74,9 +74,9 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_POLLING_NRFLAG 8 /* poll_idle is polling NEED_RESCHED */ #define TIF_DIE_IF_KERNEL 9 /* dik recursion lock */ -#define TIF_UAC_NOPRINT 10 /* see sysinfo.h */ -#define TIF_UAC_NOFIX 11 -#define TIF_UAC_SIGBUS 12 +#define TIF_UAC_NOPRINT 10 /* ! Preserve sequence of following */ +#define TIF_UAC_NOFIX 11 /* ! flags as they match */ +#define TIF_UAC_SIGBUS 12 /* ! userspace part of 'osf_sysinfo' */ #define TIF_MEMDIE 13 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 14 /* restore signal mask in do_signal */ #define TIF_FREEZE 16 /* is freezing for suspend */ @@ -97,7 +97,7 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \ | _TIF_SYSCALL_TRACE) -#define ALPHA_UAC_SHIFT 10 +#define ALPHA_UAC_SHIFT TIF_UAC_NOPRINT #define ALPHA_UAC_MASK (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \ 1 << TIF_UAC_SIGBUS) diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 326f0a2..01e8715 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -42,6 +42,7 @@ #include <asm/uaccess.h> #include <asm/system.h> #include <asm/sysinfo.h> +#include <asm/thread_info.h> #include <asm/hwrpb.h> #include <asm/processor.h> @@ -633,9 +634,10 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer, case GSI_UACPROC: if (nbytes < sizeof(unsigned int)) return -EINVAL; - w = (current_thread_info()->flags >> UAC_SHIFT) & UAC_BITMASK; - if (put_user(w, (unsigned int __user *)buffer)) - return -EFAULT; + w = (current_thread_info()->flags >> ALPHA_UAC_SHIFT) & + UAC_BITMASK; + if (put_user(w, (unsigned int __user *)buffer)) + return -EFAULT; return 1; case GSI_PROC_TYPE: @@ -756,8 +758,8 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, case SSIN_UACPROC: again: old = current_thread_info()->flags; - new = old & ~(UAC_BITMASK << UAC_SHIFT); - new = new | (w & UAC_BITMASK) << UAC_SHIFT; + new = old & ~(UAC_BITMASK << ALPHA_UAC_SHIFT); + new = new | (w & UAC_BITMASK) << ALPHA_UAC_SHIFT; if (cmpxchg(¤t_thread_info()->flags, old, new) != old) goto again; diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S index b9c28f3..6acea1f 100644 --- a/arch/alpha/kernel/systbls.S +++ b/arch/alpha/kernel/systbls.S @@ -360,7 +360,7 @@ sys_call_table: .quad sys_newuname .quad sys_nanosleep /* 340 */ .quad sys_mremap - .quad sys_nfsservctl + .quad sys_ni_syscall /* old nfsservctl */ .quad sys_setresuid .quad sys_getresuid .quad sys_pciconfig_read /* 345 */ diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5ebc5d9..3146ed3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1271,6 +1271,32 @@ config ARM_ERRATA_754327 This workaround defines cpu_relax() as smp_mb(), preventing correctly written polling loops from denying visibility of updates to memory. +config ARM_ERRATA_364296 + bool "ARM errata: Possible cache data corruption with hit-under-miss enabled" + depends on CPU_V6 && !SMP + help + This options enables the workaround for the 364296 ARM1136 + r0p2 erratum (possible cache data corruption with + hit-under-miss enabled). It sets the undocumented bit 31 in + the auxiliary control register and the FI bit in the control + register, thus disabling hit-under-miss without putting the + processor into full low interrupt latency mode. ARM11MPCore + is not affected. + +config ARM_ERRATA_764369 + bool "ARM errata: Data cache line maintenance operation by MVA may not succeed" + depends on CPU_V7 && SMP + help + This option enables the workaround for erratum 764369 + affecting Cortex-A9 MPCore with two or more processors (all + current revisions). Under certain timing circumstances, a data + cache line maintenance operation by MVA targeting an Inner + Shareable memory region may fail to proceed up to either the + Point of Coherency or to the Point of Unification of the + system. This workaround adds a DSB instruction before the + relevant cache maintenance functions and sets a specific bit + in the diagnostic control register of the SCU. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/boot/compressed/mmcif-sh7372.c b/arch/arm/boot/compressed/mmcif-sh7372.c index b6f61d9..672ae95 100644 --- a/arch/arm/boot/compressed/mmcif-sh7372.c +++ b/arch/arm/boot/compressed/mmcif-sh7372.c @@ -82,7 +82,7 @@ asmlinkage void mmc_loader(unsigned char *buf, unsigned long len) /* Disable clock to MMC hardware block */ - __raw_writel(__raw_readl(SMSTPCR3) & (1 << 12), SMSTPCR3); + __raw_writel(__raw_readl(SMSTPCR3) | (1 << 12), SMSTPCR3); mmc_update_progress(MMC_PROGRESS_DONE); } diff --git a/arch/arm/boot/compressed/sdhi-sh7372.c b/arch/arm/boot/compressed/sdhi-sh7372.c index d403a8b..d279294 100644 --- a/arch/arm/boot/compressed/sdhi-sh7372.c +++ b/arch/arm/boot/compressed/sdhi-sh7372.c @@ -85,7 +85,7 @@ asmlinkage void mmc_loader(unsigned short *buf, unsigned long len) goto err; /* Disable clock to SDHI1 hardware block */ - __raw_writel(__raw_readl(SMSTPCR3) & (1 << 13), SMSTPCR3); + __raw_writel(__raw_readl(SMSTPCR3) | (1 << 13), SMSTPCR3); mmc_update_progress(MMC_PROGRESS_DONE); diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts index 4c05334..e581866 100644 --- a/arch/arm/boot/dts/tegra-harmony.dts +++ b/arch/arm/boot/dts/tegra-harmony.dts @@ -57,14 +57,14 @@ }; sdhci@c8000200 { - gpios = <&gpio 69 0>, /* cd, gpio PI5 */ - <&gpio 57 0>, /* wp, gpio PH1 */ - <&gpio 155 0>; /* power, gpio PT3 */ + cd-gpios = <&gpio 69 0>; /* gpio PI5 */ + wp-gpios = <&gpio 57 0>; /* gpio PH1 */ + power-gpios = <&gpio 155 0>; /* gpio PT3 */ }; sdhci@c8000600 { - gpios = <&gpio 58 0>, /* cd, gpio PH2 */ - <&gpio 59 0>, /* wp, gpio PH3 */ - <&gpio 70 0>; /* power, gpio PI6 */ + cd-gpios = <&gpio 58 0>; /* gpio PH2 */ + wp-gpios = <&gpio 59 0>; /* gpio PH3 */ + power-gpios = <&gpio 70 0>; /* gpio PI6 */ }; }; diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts index 1940cae..64cedca 100644 --- a/arch/arm/boot/dts/tegra-seaboard.dts +++ b/arch/arm/boot/dts/tegra-seaboard.dts @@ -21,8 +21,8 @@ }; sdhci@c8000400 { - gpios = <&gpio 69 0>, /* cd, gpio PI5 */ - <&gpio 57 0>, /* wp, gpio PH1 */ - <&gpio 70 0>; /* power, gpio PI6 */ + cd-gpios = <&gpio 69 0>; /* gpio PI5 */ + wp-gpios = <&gpio 57 0>; /* gpio PH1 */ + power-gpios = <&gpio 70 0>; /* gpio PI6 */ }; }; diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c index 7aa4262..197f81c 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c @@ -259,7 +259,6 @@ static void __init vic_disable(void __iomem *base) writel(0, base + VIC_INT_SELECT); writel(0, base + VIC_INT_ENABLE); writel(~0, base + VIC_INT_ENABLE_CLEAR); - writel(0, base + VIC_IRQ_STATUS); writel(0, base + VIC_ITCR); writel(~0, base + VIC_INT_SOFT_CLEAR); } diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h index 8c73900..253cc86 100644 --- a/arch/arm/include/asm/futex.h +++ b/arch/arm/include/asm/futex.h @@ -25,17 +25,17 @@ #ifdef CONFIG_SMP -#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ +#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \ smp_mb(); \ __asm__ __volatile__( \ - "1: ldrex %1, [%2]\n" \ + "1: ldrex %1, [%3]\n" \ " " insn "\n" \ - "2: strex %1, %0, [%2]\n" \ - " teq %1, #0\n" \ + "2: strex %2, %0, [%3]\n" \ + " teq %2, #0\n" \ " bne 1b\n" \ " mov %0, #0\n" \ - __futex_atomic_ex_table("%4") \ - : "=&r" (ret), "=&r" (oldval) \ + __futex_atomic_ex_table("%5") \ + : "=&r" (ret), "=&r" (oldval), "=&r" (tmp) \ : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT) \ : "cc", "memory") @@ -73,14 +73,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, #include <linux/preempt.h> #include <asm/domain.h> -#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ +#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \ __asm__ __volatile__( \ - "1: " T(ldr) " %1, [%2]\n" \ + "1: " T(ldr) " %1, [%3]\n" \ " " insn "\n" \ - "2: " T(str) " %0, [%2]\n" \ + "2: " T(str) " %0, [%3]\n" \ " mov %0, #0\n" \ - __futex_atomic_ex_table("%4") \ - : "=&r" (ret), "=&r" (oldval) \ + __futex_atomic_ex_table("%5") \ + : "=&r" (ret), "=&r" (oldval), "=&r" (tmp) \ : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT) \ : "cc", "memory") @@ -117,7 +117,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) int cmp = (encoded_op >> 24) & 15; int oparg = (encoded_op << 8) >> 20; int cmparg = (encoded_op << 20) >> 20; - int oldval = 0, ret; + int oldval = 0, ret, tmp; if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; @@ -129,19 +129,19 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) switch (op) { case FUTEX_OP_SET: - __futex_atomic_op("mov %0, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("mov %0, %4", ret, oldval, tmp, uaddr, oparg); break; case FUTEX_OP_ADD: - __futex_atomic_op("add %0, %1, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("add %0, %1, %4", ret, oldval, tmp, uaddr, oparg); break; case FUTEX_OP_OR: - __futex_atomic_op("orr %0, %1, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("orr %0, %1, %4", ret, oldval, tmp, uaddr, oparg); break; case FUTEX_OP_ANDN: - __futex_atomic_op("and %0, %1, %3", ret, oldval, uaddr, ~oparg); + __futex_atomic_op("and %0, %1, %4", ret, oldval, tmp, uaddr, ~oparg); break; case FUTEX_OP_XOR: - __futex_atomic_op("eor %0, %1, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("eor %0, %1, %4", ret, oldval, tmp, uaddr, oparg); break; default: ret = -ENOSYS; diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index 16bd480..99a6ed7 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -45,8 +45,13 @@ #define L2X0_CLEAN_INV_LINE_PA 0x7F0 #define L2X0_CLEAN_INV_LINE_IDX 0x7F8 #define L2X0_CLEAN_INV_WAY 0x7FC -#define L2X0_LOCKDOWN_WAY_D 0x900 -#define L2X0_LOCKDOWN_WAY_I 0x904 +/* + * The lockdown registers repeat 8 times for L310, the L210 has only one + * D and one I lockdown register at 0x0900 and 0x0904. + */ +#define L2X0_LOCKDOWN_WAY_D_BASE 0x900 +#define L2X0_LOCKDOWN_WAY_I_BASE 0x904 +#define L2X0_LOCKDOWN_STRIDE 0x08 #define L2X0_TEST_OPERATION 0xF00 #define L2X0_LINE_DATA 0xF10 #define L2X0_LINE_TAG 0xF30 @@ -64,7 +69,7 @@ #define L2X0_AUX_CTRL_MASK 0xc0000fff #define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT 16 #define L2X0_AUX_CTRL_WAY_SIZE_SHIFT 17 -#define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x3 << 17) +#define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) #define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT 22 #define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT 26 #define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT 27 diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h index 080d74f..ff66638 100644 --- a/arch/arm/include/asm/localtimer.h +++ b/arch/arm/include/asm/localtimer.h @@ -10,6 +10,8 @@ #ifndef __ASM_ARM_LOCALTIMER_H #define __ASM_ARM_LOCALTIMER_H +#include <linux/errno.h> + struct clock_event_device; /* diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h index 67c70a3..b7e82c4 100644 --- a/arch/arm/include/asm/pmu.h +++ b/arch/arm/include/asm/pmu.h @@ -41,7 +41,7 @@ struct arm_pmu_platdata { * encoded error on failure. */ extern struct platform_device * -reserve_pmu(enum arm_pmu_type device); +reserve_pmu(enum arm_pmu_type type); /** * release_pmu() - Relinquish control of the performance counters @@ -62,26 +62,26 @@ release_pmu(enum arm_pmu_type type); * the actual hardware initialisation. */ extern int -init_pmu(enum arm_pmu_type device); +init_pmu(enum arm_pmu_type type); #else /* CONFIG_CPU_HAS_PMU */ #include <linux/err.h> static inline struct platform_device * -reserve_pmu(enum arm_pmu_type device) +reserve_pmu(enum arm_pmu_type type) { return ERR_PTR(-ENODEV); } static inline int -release_pmu(struct platform_device *pdev) +release_pmu(enum arm_pmu_type type) { return -ENODEV; } static inline int -init_pmu(enum arm_pmu_type device) +init_pmu(enum arm_pmu_type type) { return -ENODEV; } diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 2c04ed5..c60a294 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -478,8 +478,8 @@ /* * Unimplemented (or alternatively implemented) syscalls */ -#define __IGNORE_fadvise64_64 1 -#define __IGNORE_migrate_pages 1 +#define __IGNORE_fadvise64_64 +#define __IGNORE_migrate_pages #endif /* __KERNEL__ */ #endif /* __ASM_ARM_UNISTD_H */ diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 80f7896..9943e9e 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -178,7 +178,7 @@ CALL(sys_ni_syscall) /* vm86 */ CALL(sys_ni_syscall) /* was sys_query_module */ CALL(sys_poll) - CALL(sys_nfsservctl) + CALL(sys_ni_syscall) /* was nfsservctl */ /* 170 */ CALL(sys_setresgid16) CALL(sys_getresgid16) CALL(sys_prctl) diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index 4c85183..6be3e2e 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -321,8 +321,8 @@ static const unsigned armv7_a9_perf_map[PERF_COUNT_HW_MAX] = { [PERF_COUNT_HW_CPU_CYCLES] = ARMV7_PERFCTR_CPU_CYCLES, [PERF_COUNT_HW_INSTRUCTIONS] = ARMV7_PERFCTR_INST_OUT_OF_RENAME_STAGE, - [PERF_COUNT_HW_CACHE_REFERENCES] = ARMV7_PERFCTR_COHERENT_LINE_HIT, - [PERF_COUNT_HW_CACHE_MISSES] = ARMV7_PERFCTR_COHERENT_LINE_MISS, + [PERF_COUNT_HW_CACHE_REFERENCES] = ARMV7_PERFCTR_DCACHE_ACCESS, + [PERF_COUNT_HW_CACHE_MISSES] = ARMV7_PERFCTR_DCACHE_REFILL, [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_PC_WRITE, [PERF_COUNT_HW_BRANCH_MISSES] = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, [PERF_COUNT_HW_BUS_CYCLES] = ARMV7_PERFCTR_CLOCK_CYCLES, diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c index 2b70709..c53474f 100644 --- a/arch/arm/kernel/pmu.c +++ b/arch/arm/kernel/pmu.c @@ -31,7 +31,7 @@ static int __devinit pmu_register(struct platform_device *pdev, { if (type < 0 || type >= ARM_NUM_PMU_DEVICES) { pr_warning("received registration request for unknown " - "device %d\n", type); + "PMU device type %d\n", type); return -EINVAL; } @@ -112,17 +112,17 @@ static int __init register_pmu_driver(void) device_initcall(register_pmu_driver); struct platform_device * -reserve_pmu(enum arm_pmu_type device) +reserve_pmu(enum arm_pmu_type type) { struct platform_device *pdev; - if (test_and_set_bit_lock(device, &pmu_lock)) { + if (test_and_set_bit_lock(type, &pmu_lock)) { pdev = ERR_PTR(-EBUSY); - } else if (pmu_devices[device] == NULL) { - clear_bit_unlock(device, &pmu_lock); + } else if (pmu_devices[type] == NULL) { + clear_bit_unlock(type, &pmu_lock); pdev = ERR_PTR(-ENODEV); } else { - pdev = pmu_devices[device]; + pdev = pmu_devices[type]; } return pdev; @@ -130,11 +130,11 @@ reserve_pmu(enum arm_pmu_type device) EXPORT_SYMBOL_GPL(reserve_pmu); int -release_pmu(enum arm_pmu_type device) +release_pmu(enum arm_pmu_type type) { - if (WARN_ON(!pmu_devices[device])) + if (WARN_ON(!pmu_devices[type])) return -EINVAL; - clear_bit_unlock(device, &pmu_lock); + clear_bit_unlock(type, &pmu_lock); return 0; } EXPORT_SYMBOL_GPL(release_pmu); @@ -182,17 +182,17 @@ init_cpu_pmu(void) } int -init_pmu(enum arm_pmu_type device) +init_pmu(enum arm_pmu_type type) { int err = 0; - switch (device) { + switch (type) { case ARM_PMU_DEVICE_CPU: err = init_cpu_pmu(); break; default: - pr_warning("attempt to initialise unknown device %d\n", - device); + pr_warning("attempt to initialise PMU of unknown " + "type %d\n", type); err = -EINVAL; } diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S index 9cf4cbf..d0cdedf 100644 --- a/arch/arm/kernel/relocate_kernel.S +++ b/arch/arm/kernel/relocate_kernel.S @@ -57,7 +57,8 @@ relocate_new_kernel: mov r0,#0 ldr r1,kexec_mach_type ldr r2,kexec_boot_atags - mov pc,lr + ARM( mov pc, lr ) + THUMB( bx lr ) .align diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 70bca64..e514c76 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -280,18 +280,19 @@ static void __init cacheid_init(void) if (arch >= CPU_ARCH_ARMv6) { if ((cachetype & (7 << 29)) == 4 << 29) { /* ARMv7 register format */ + arch = CPU_ARCH_ARMv7; cacheid = CACHEID_VIPT_NONALIASING; if ((cachetype & (3 << 14)) == 1 << 14) cacheid |= CACHEID_ASID_TAGGED; - else if (cpu_has_aliasing_icache(CPU_ARCH_ARMv7)) - cacheid |= CACHEID_VIPT_I_ALIASING; - } else if (cachetype & (1 << 23)) { - cacheid = CACHEID_VIPT_ALIASING; } else { - cacheid = CACHEID_VIPT_NONALIASING; - if (cpu_has_aliasing_icache(CPU_ARCH_ARMv6)) - cacheid |= CACHEID_VIPT_I_ALIASING; + arch = CPU_ARCH_ARMv6; + if (cachetype & (1 << 23)) + cacheid = CACHEID_VIPT_ALIASING; + else + cacheid = CACHEID_VIPT_NONALIASING; } + if (cpu_has_aliasing_icache(arch)) + cacheid |= CACHEID_VIPT_I_ALIASING; } else { cacheid = CACHEID_VIVT; } diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index 79ed5e7..7fcddb7 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -13,6 +13,7 @@ #include <asm/smp_scu.h> #include <asm/cacheflush.h> +#include <asm/cputype.h> #define SCU_CTRL 0x00 #define SCU_CONFIG 0x04 @@ -37,6 +38,15 @@ void __init scu_enable(void __iomem *scu_base) { u32 scu_ctrl; +#ifdef CONFIG_ARM_ERRATA_764369 + /* Cortex-A9 only */ + if ((read_cpuid(CPUID_ID) & 0xff0ffff0) == 0x410fc090) { + scu_ctrl = __raw_readl(scu_base + 0x30); + if (!(scu_ctrl & 1)) + __raw_writel(scu_ctrl | 0x1, scu_base + 0x30); + } +#endif + scu_ctrl = __raw_readl(scu_base + SCU_CTRL); /* already enabled? */ if (scu_ctrl & 1) diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 2c277d4..01c1862 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -137,8 +137,8 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk) clk->max_delta_ns = clockevent_delta2ns(0xffffffff, clk); clk->min_delta_ns = clockevent_delta2ns(0xf, clk); + clockevents_register_device(clk); + /* Make sure our local interrupt controller has this enabled */ gic_enable_ppi(clk->irq); - - clockevents_register_device(clk); } diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index bf977f8..4e66f62 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -23,8 +23,10 @@ #if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK) #define ARM_EXIT_KEEP(x) x +#define ARM_EXIT_DISCARD(x) #else #define ARM_EXIT_KEEP(x) +#define ARM_EXIT_DISCARD(x) x #endif OUTPUT_ARCH(arm) @@ -39,6 +41,11 @@ jiffies = jiffies_64 + 4; SECTIONS { /* + * XXX: The linker does not define how output sections are + * assigned to input sections when there are multiple statements + * matching the same input section name. There is no documented + * order of matching. + * * unwind exit sections must be discarded before the rest of the * unwind sections get included. */ @@ -47,6 +54,9 @@ SECTIONS *(.ARM.extab.exit.text) ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text)) ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text)) + ARM_EXIT_DISCARD(EXIT_TEXT) + ARM_EXIT_DISCARD(EXIT_DATA) + EXIT_CALL #ifndef CONFIG_HOTPLUG *(.ARM.exidx.devexit.text) *(.ARM.extab.devexit.text) @@ -58,6 +68,8 @@ SECTIONS #ifndef CONFIG_SMP_ON_UP *(.alt.smp.init) #endif + *(.discard) + *(.discard.*) } #ifdef CONFIG_XIP_KERNEL @@ -279,9 +291,6 @@ SECTIONS STABS_DEBUG .comment 0 : { *(.comment) } - - /* Default discards */ - DISCARDS } /* diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index d522b47..6c8e3b5 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -157,7 +157,7 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk), CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), - CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc1_clk), + CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk), diff --git a/arch/arm/mach-cns3xxx/include/mach/entry-macro.S b/arch/arm/mach-cns3xxx/include/mach/entry-macro.S index 6bd83ed..d87bfc3 100644 --- a/arch/arm/mach-cns3xxx/include/mach/entry-macro.S +++ b/arch/arm/mach-cns3xxx/include/mach/entry-macro.S @@ -8,7 +8,6 @@ * published by the Free Software Foundation. */ -#include <mach/hardware.h> #include <asm/hardware/entry-macro-gic.S> .macro disable_fiq diff --git a/arch/arm/mach-cns3xxx/include/mach/system.h b/arch/arm/mach-cns3xxx/include/mach/system.h index 58bb03a..4f16c9b 100644 --- a/arch/arm/mach-cns3xxx/include/mach/system.h +++ b/arch/arm/mach-cns3xxx/include/mach/system.h @@ -13,7 +13,6 @@ #include <linux/io.h> #include <asm/proc-fns.h> -#include <mach/hardware.h> static inline void arch_idle(void) { diff --git a/arch/arm/mach-cns3xxx/include/mach/uncompress.h b/arch/arm/mach-cns3xxx/include/mach/uncompress.h index de8ead9..a91b605 100644 --- a/arch/arm/mach-cns3xxx/include/mach/uncompress.h +++ b/arch/arm/mach-cns3xxx/include/mach/uncompress.h @@ -8,7 +8,6 @@ */ #include <asm/mach-types.h> -#include <mach/hardware.h> #include <mach/cns3xxx.h> #define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00)) diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c index 06fd25d..0f8fca4 100644 --- a/arch/arm/mach-cns3xxx/pcie.c +++ b/arch/arm/mach-cns3xxx/pcie.c @@ -49,7 +49,7 @@ static struct cns3xxx_pcie *sysdata_to_cnspci(void *sysdata) return &cns3xxx_pcie[root->domain]; } -static struct cns3xxx_pcie *pdev_to_cnspci(struct pci_dev *dev) +static struct cns3xxx_pcie *pdev_to_cnspci(const struct pci_dev *dev) { return sysdata_to_cnspci(dev->sysdata); } diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index bd53945..008d514 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -115,6 +115,32 @@ static struct spi_board_info da850evm_spi_info[] = { }, }; +#ifdef CONFIG_MTD +static void da850_evm_m25p80_notify_add(struct mtd_info *mtd) +{ + char *mac_addr = davinci_soc_info.emac_pdata->mac_addr; + size_t retlen; + + if (!strcmp(mtd->name, "MAC-Address")) { + mtd->read(mtd, 0, ETH_ALEN, &retlen, mac_addr); + if (retlen == ETH_ALEN) + pr_info("Read MAC addr from SPI Flash: %pM\n", + mac_addr); + } +} + +static struct mtd_notifier da850evm_spi_notifier = { + .add = da850_evm_m25p80_notify_add, +}; + +static void da850_evm_setup_mac_addr(void) +{ + register_mtd_user(&da850evm_spi_notifier); +} +#else +static void da850_evm_setup_mac_addr(void) { } +#endif + static struct mtd_partition da850_evm_norflash_partition[] = { { .name = "bootloaders + env", @@ -1244,6 +1270,8 @@ static __init void da850_evm_init(void) if (ret) pr_warning("da850_evm_init: sata registration failed: %d\n", ret); + + da850_evm_setup_mac_addr(); } #ifdef CONFIG_SERIAL_8250_CONSOLE diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h index 47fd0bc..fa59c09 100644 --- a/arch/arm/mach-davinci/include/mach/psc.h +++ b/arch/arm/mach-davinci/include/mach/psc.h @@ -243,7 +243,7 @@ #define PSC_STATE_DISABLE 2 #define PSC_STATE_ENABLE 3 -#define MDSTAT_STATE_MASK 0x1f +#define MDSTAT_STATE_MASK 0x3f #define MDCTL_FORCE BIT(31) #ifndef __ASSEMBLER__ diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S index fb5e72b..5f1e045 100644 --- a/arch/arm/mach-davinci/sleep.S +++ b/arch/arm/mach-davinci/sleep.S @@ -217,7 +217,11 @@ ddr2clk_stop_done: ENDPROC(davinci_ddr_psc_config) CACHE_FLUSH: - .word arm926_flush_kern_cache_all +#ifdef CONFIG_CPU_V6 + .word v6_flush_kern_cache_all +#else + .word arm926_flush_kern_cache_all +#endif ENTRY(davinci_cpu_suspend_sz) .word . - davinci_cpu_suspend diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c index 83dce85..a9e0dae 100644 --- a/arch/arm/mach-dove/common.c +++ b/arch/arm/mach-dove/common.c @@ -158,7 +158,7 @@ void __init dove_spi0_init(void) void __init dove_spi1_init(void) { - orion_spi_init(DOVE_SPI1_PHYS_BASE, get_tclk()); + orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk()); } /***************************************************************************** diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h index 0eabec6..f1397a1 100644 --- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h +++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h @@ -6,7 +6,7 @@ * TS72xx memory map: * * virt phys size - * febff000 22000000 4K model number register + * febff000 22000000 4K model number register (bits 0-2) * febfe000 22400000 4K options register * febfd000 22800000 4K options register #2 * febf9000 10800000 4K TS-5620 RTC index register @@ -20,6 +20,9 @@ #define TS72XX_MODEL_TS7200 0x00 #define TS72XX_MODEL_TS7250 0x01 #define TS72XX_MODEL_TS7260 0x02 +#define TS72XX_MODEL_TS7300 0x03 +#define TS72XX_MODEL_TS7400 0x04 +#define TS72XX_MODEL_MASK 0x07 #define TS72XX_OPTIONS_PHYS_BASE 0x22400000 @@ -51,19 +54,34 @@ #ifndef __ASSEMBLY__ +static inline int ts72xx_model(void) +{ + return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK; +} + static inline int board_is_ts7200(void) { - return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7200; + return ts72xx_model() == TS72XX_MODEL_TS7200; } static inline int board_is_ts7250(void) { - return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7250; + return ts72xx_model() == TS72XX_MODEL_TS7250; } static inline int board_is_ts7260(void) { - return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7260; + return ts72xx_model() == TS72XX_MODEL_TS7260; +} + +static inline int board_is_ts7300(void) +{ + return ts72xx_model() == TS72XX_MODEL_TS7300; +} + +static inline int board_is_ts7400(void) +{ + return ts72xx_model() == TS72XX_MODEL_TS7400; } static inline int is_max197_installed(void) diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c index 851dea0..86964d2 100644 --- a/arch/arm/mach-exynos4/clock.c +++ b/arch/arm/mach-exynos4/clock.c @@ -520,7 +520,7 @@ static struct clk init_clocks_off[] = { .ctrlbit = (1 << 21), }, { .name = "ac97", - .id = -1, + .devname = "samsung-ac97", .enable = exynos4_clk_ip_peril_ctrl, .ctrlbit = (1 << 27), }, { @@ -899,8 +899,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "exynos4-fimc.0", + .name = "sclk_cam0", .enable = exynos4_clksrc_mask_cam_ctrl, .ctrlbit = (1 << 16), }, @@ -909,8 +908,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "exynos4-fimc.1", + .name = "sclk_cam1", .enable = exynos4_clksrc_mask_cam_ctrl, .ctrlbit = (1 << 20), }, @@ -1160,7 +1158,7 @@ void __init_or_cpufreq exynos4_setup_clocks(void) vpllsrc = clk_get_rate(&clk_vpllsrc.clk); vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0), - __raw_readl(S5P_VPLL_CON1), pll_4650); + __raw_readl(S5P_VPLL_CON1), pll_4650c); clk_fout_apll.ops = &exynos4_fout_apll_ops; clk_fout_mpll.rate = mpll; diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 2d8a40c..746d6fc 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -24,12 +24,13 @@ #include <plat/exynos4.h> #include <plat/adc-core.h> #include <plat/sdhci.h> -#include <plat/devs.h> #include <plat/fb-core.h> #include <plat/fimc-core.h> #include <plat/iic-core.h> +#include <plat/reset.h> #include <mach/regs-irq.h> +#include <mach/regs-pmu.h> extern int combiner_init(unsigned int combiner_nr, void __iomem *base, unsigned int irq_start); @@ -128,6 +129,11 @@ static void exynos4_idle(void) local_irq_enable(); } +static void exynos4_sw_reset(void) +{ + __raw_writel(0x1, S5P_SWRESET); +} + /* * exynos4_map_io * @@ -241,5 +247,8 @@ int __init exynos4_init(void) /* set idle function */ pm_idle = exynos4_idle; + /* set sw_reset function */ + s5p_reset_hook = exynos4_sw_reset; + return sysdev_register(&exynos4_sysdev); } diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-exynos4/include/mach/irqs.h index 934d2a4..f8952f8 100644 --- a/arch/arm/mach-exynos4/include/mach/irqs.h +++ b/arch/arm/mach-exynos4/include/mach/irqs.h @@ -80,9 +80,8 @@ #define IRQ_HSMMC3 IRQ_SPI(76) #define IRQ_DWMCI IRQ_SPI(77) -#define IRQ_MIPICSI0 IRQ_SPI(78) - -#define IRQ_MIPICSI1 IRQ_SPI(80) +#define IRQ_MIPI_CSIS0 IRQ_SPI(78) +#define IRQ_MIPI_CSIS1 IRQ_SPI(80) #define IRQ_ONENAND_AUDI IRQ_SPI(82) #define IRQ_ROTATOR IRQ_SPI(83) diff --git a/arch/arm/mach-exynos4/include/mach/regs-pmu.h b/arch/arm/mach-exynos4/include/mach/regs-pmu.h index fa49bbb..cdf9b47 100644 --- a/arch/arm/mach-exynos4/include/mach/regs-pmu.h +++ b/arch/arm/mach-exynos4/include/mach/regs-pmu.h @@ -29,6 +29,8 @@ #define S5P_USE_STANDBY_WFE1 (1 << 25) #define S5P_USE_MASK ((0x3 << 16) | (0x3 << 24)) +#define S5P_SWRESET S5P_PMUREG(0x0400) + #define S5P_WAKEUP_STAT S5P_PMUREG(0x0600) #define S5P_EINT_WAKEUP_MASK S5P_PMUREG(0x0604) #define S5P_WAKEUP_MASK S5P_PMUREG(0x0608) diff --git a/arch/arm/mach-exynos4/irq-eint.c b/arch/arm/mach-exynos4/irq-eint.c index 9d87d2a..badb8c6 100644 --- a/arch/arm/mach-exynos4/irq-eint.c +++ b/arch/arm/mach-exynos4/irq-eint.c @@ -23,6 +23,8 @@ #include <mach/regs-gpio.h> +#include <asm/mach/irq.h> + static DEFINE_SPINLOCK(eint_lock); static unsigned int eint0_15_data[16]; @@ -184,8 +186,11 @@ static inline void exynos4_irq_demux_eint(unsigned int start) static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc) { + struct irq_chip *chip = irq_get_chip(irq); + chained_irq_enter(chip, desc); exynos4_irq_demux_eint(IRQ_EINT(16)); exynos4_irq_demux_eint(IRQ_EINT(24)); + chained_irq_exit(chip, desc); } static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc) @@ -193,6 +198,7 @@ static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc) u32 *irq_data = irq_get_handler_data(irq); struct irq_chip *chip = irq_get_chip(irq); + chained_irq_enter(chip, desc); chip->irq_mask(&desc->irq_data); if (chip->irq_ack) @@ -201,6 +207,7 @@ static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc) generic_handle_irq(*irq_data); chip->irq_unmask(&desc->irq_data); + chained_irq_exit(chip, desc); } int __init exynos4_init_irq_eint(void) diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c index 0e280d1..b3b5d89 100644 --- a/arch/arm/mach-exynos4/mach-universal_c210.c +++ b/arch/arm/mach-exynos4/mach-universal_c210.c @@ -79,7 +79,7 @@ static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = { }; static struct regulator_consumer_supply max8952_consumer = - REGULATOR_SUPPLY("vddarm", NULL); + REGULATOR_SUPPLY("vdd_arm", NULL); static struct max8952_platform_data universal_max8952_pdata __initdata = { .gpio_vid0 = EXYNOS4_GPX0(3), @@ -105,7 +105,7 @@ static struct max8952_platform_data universal_max8952_pdata __initdata = { }; static struct regulator_consumer_supply lp3974_buck1_consumer = - REGULATOR_SUPPLY("vddint", NULL); + REGULATOR_SUPPLY("vdd_int", NULL); static struct regulator_consumer_supply lp3974_buck2_consumer = REGULATOR_SUPPLY("vddg3d", NULL); diff --git a/arch/arm/mach-exynos4/mct.c b/arch/arm/mach-exynos4/mct.c index 1ae059b..ddd8686 100644 --- a/arch/arm/mach-exynos4/mct.c +++ b/arch/arm/mach-exynos4/mct.c @@ -132,12 +132,18 @@ static cycle_t exynos4_frc_read(struct clocksource *cs) return ((cycle_t)hi << 32) | lo; } +static void exynos4_frc_resume(struct clocksource *cs) +{ + exynos4_mct_frc_start(0, 0); +} + struct clocksource mct_frc = { .name = "mct-frc", .rating = 400, .read = exynos4_frc_read, .mask = CLOCKSOURCE_MASK(64), .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .resume = exynos4_frc_resume, }; static void __init exynos4_clocksource_init(void) @@ -389,9 +395,11 @@ static void exynos4_mct_tick_init(struct clock_event_device *evt) } /* Setup the local clock events for a CPU */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { exynos4_mct_tick_init(evt); + + return 0; } int local_timer_ack(void) diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c index 7c2282c..df6ef1b 100644 --- a/arch/arm/mach-exynos4/platsmp.c +++ b/arch/arm/mach-exynos4/platsmp.c @@ -106,6 +106,8 @@ void __cpuinit platform_secondary_init(unsigned int cpu) */ spin_lock(&boot_lock); spin_unlock(&boot_lock); + + set_cpu_online(cpu, true); } int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) diff --git a/arch/arm/mach-exynos4/setup-keypad.c b/arch/arm/mach-exynos4/setup-keypad.c index 1ee0ebf..7862bfb 100644 --- a/arch/arm/mach-exynos4/setup-keypad.c +++ b/arch/arm/mach-exynos4/setup-keypad.c @@ -19,15 +19,16 @@ void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) if (rows > 8) { /* Set all the necessary GPX2 pins: KP_ROW[0~7] */ - s3c_gpio_cfgrange_nopull(EXYNOS4_GPX2(0), 8, S3C_GPIO_SFN(3)); + s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), 8, S3C_GPIO_SFN(3), + S3C_GPIO_PULL_UP); /* Set all the necessary GPX3 pins: KP_ROW[8~] */ - s3c_gpio_cfgrange_nopull(EXYNOS4_GPX3(0), (rows - 8), - S3C_GPIO_SFN(3)); + s3c_gpio_cfgall_range(EXYNOS4_GPX3(0), (rows - 8), + S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP); } else { /* Set all the necessary GPX2 pins: KP_ROW[x] */ - s3c_gpio_cfgrange_nopull(EXYNOS4_GPX2(0), rows, - S3C_GPIO_SFN(3)); + s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), rows, S3C_GPIO_SFN(3), + S3C_GPIO_PULL_UP); } /* Set all the necessary GPX1 pins to special-function 3: KP_COL[x] */ diff --git a/arch/arm/mach-exynos4/setup-usb-phy.c b/arch/arm/mach-exynos4/setup-usb-phy.c index 0883c1b..39aca04 100644 --- a/arch/arm/mach-exynos4/setup-usb-phy.c +++ b/arch/arm/mach-exynos4/setup-usb-phy.c @@ -82,7 +82,7 @@ static int exynos4_usb_phy1_init(struct platform_device *pdev) rstcon &= ~(HOST_LINK_PORT_SWRST_MASK | PHY1_SWRST_MASK); writel(rstcon, EXYNOS4_RSTCON); - udelay(50); + udelay(80); clk_disable(otg_clk); clk_put(otg_clk); diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig index dc26fff..c8e7afc 100644 --- a/arch/arm/mach-footbridge/Kconfig +++ b/arch/arm/mach-footbridge/Kconfig @@ -62,6 +62,7 @@ config ARCH_EBSA285_HOST config ARCH_NETWINDER bool "NetWinder" select CLKSRC_I8253 + select CLKEVT_I8253 select FOOTBRIDGE_HOST select ISA select ISA_DMA diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c index 1331fff..18c32a5 100644 --- a/arch/arm/mach-footbridge/dc21285.c +++ b/arch/arm/mach-footbridge/dc21285.c @@ -18,6 +18,7 @@ #include <linux/irq.h> #include <linux/io.h> #include <linux/spinlock.h> +#include <video/vga.h> #include <asm/irq.h> #include <asm/system.h> diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c index 87887ac..f851fe9 100644 --- a/arch/arm/mach-imx/mach-cpuimx27.c +++ b/arch/arm/mach-imx/mach-cpuimx27.c @@ -310,7 +310,7 @@ static struct sys_timer eukrea_cpuimx27_timer = { .init = eukrea_cpuimx27_timer_init, }; -MACHINE_START(CPUIMX27, "EUKREA CPUIMX27") +MACHINE_START(EUKREA_CPUIMX27, "EUKREA CPUIMX27") .boot_params = MX27_PHYS_OFFSET + 0x100, .map_io = mx27_map_io, .init_early = imx27_init_early, diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c index f39a478b..4bd083b 100644 --- a/arch/arm/mach-imx/mach-cpuimx35.c +++ b/arch/arm/mach-imx/mach-cpuimx35.c @@ -192,7 +192,7 @@ struct sys_timer eukrea_cpuimx35_timer = { .init = eukrea_cpuimx35_timer_init, }; -MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35") +MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35") /* Maintainer: Eukrea Electromatique */ .boot_params = MX3x_PHYS_OFFSET + 0x100, .map_io = mx35_map_io, diff --git a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c index da36da5..2442d5d 100644 --- a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c +++ b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c @@ -161,7 +161,7 @@ static struct sys_timer eukrea_cpuimx25_timer = { .init = eukrea_cpuimx25_timer_init, }; -MACHINE_START(EUKREA_CPUIMX25, "Eukrea CPUIMX25") +MACHINE_START(EUKREA_CPUIMX25SD, "Eukrea CPUIMX25") /* Maintainer: Eukrea Electromatique */ .boot_params = MX25_PHYS_OFFSET + 0x100, .map_io = mx25_map_io, diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 2fbbdd5..8cdc730 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -32,6 +32,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/mtd/physmap.h> +#include <video/vga.h> #include <mach/hardware.h> #include <mach/platform.h> @@ -154,6 +155,7 @@ static struct map_desc ap_io_desc[] __initdata = { static void __init ap_map_io(void) { iotable_init(ap_io_desc, ARRAY_SIZE(ap_io_desc)); + vga_base = PCI_MEMORY_VADDR; } #define INTEGRATOR_SC_VALID_INT 0x003fffff @@ -337,15 +339,15 @@ static unsigned long timer_reload; static void integrator_clocksource_init(u32 khz) { void __iomem *base = (void __iomem *)TIMER2_VA_BASE; - u32 ctrl = TIMER_CTRL_ENABLE; + u32 ctrl = TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC; if (khz >= 1500) { khz /= 16; - ctrl = TIMER_CTRL_DIV16; + ctrl |= TIMER_CTRL_DIV16; } - writel(ctrl, base + TIMER_CTRL); writel(0xffff, base + TIMER_LOAD); + writel(ctrl, base + TIMER_CTRL); clocksource_mmio_init(base + TIMER_VALUE, "timer2", khz * 1000, 200, 16, clocksource_mmio_readl_down); diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index dd56bfb..11b86e5 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -27,7 +27,6 @@ #include <linux/spinlock.h> #include <linux/init.h> #include <linux/io.h> -#include <video/vga.h> #include <mach/hardware.h> #include <mach/platform.h> @@ -505,7 +504,6 @@ void __init pci_v3_preinit(void) pcibios_min_io = 0x6000; pcibios_min_mem = 0x00100000; - vga_base = PCI_MEMORY_VADDR; /* * Hook in our fault handler for PCI errors diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index 2028464..f79b7d2 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -193,7 +193,8 @@ static int __init omap2430_i2c_init(void) { omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo, ARRAY_SIZE(sdp2430_i2c1_boardinfo)); - omap2_pmic_init("twl4030", &sdp2430_twldata); + omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ, + &sdp2430_twldata); return 0; } diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c index ffd55b1..b9b8446 100644 --- a/arch/arm/mach-omap2/clock3xxx_data.c +++ b/arch/arm/mach-omap2/clock3xxx_data.c @@ -3078,6 +3078,7 @@ static struct clk gpt12_fck = { .name = "gpt12_fck", .ops = &clkops_null, .parent = &secure_32k_fck, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -3085,6 +3086,7 @@ static struct clk wdt1_fck = { .name = "wdt1_fck", .ops = &clkops_null, .parent = &secure_32k_fck, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index 2af0e3f0..c0b6fbd 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -3376,10 +3376,18 @@ int __init omap4xxx_clk_init(void) } else if (cpu_is_omap446x()) { cpu_mask = RATE_IN_4460; cpu_clkflg = CK_446X; + } else { + return 0; } clk_init(&omap2_clk_functions); - omap2_clk_disable_clkdm_control(); + + /* + * Must stay commented until all OMAP SoC drivers are + * converted to runtime PM, or drivers may start crashing + * + * omap2_clk_disable_clkdm_control(); + */ for (c = omap44xx_clks; c < omap44xx_clks + ARRAY_SIZE(omap44xx_clks); c++) diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index ab7db08..8f08906 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -747,6 +747,7 @@ int clkdm_wakeup(struct clockdomain *clkdm) spin_lock_irqsave(&clkdm->lock, flags); clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED; ret = arch_clkdm->clkdm_wakeup(clkdm); + ret |= pwrdm_state_switch(clkdm->pwrdm.ptr); spin_unlock_irqrestore(&clkdm->lock, flags); return ret; } @@ -818,6 +819,7 @@ void clkdm_deny_idle(struct clockdomain *clkdm) spin_lock_irqsave(&clkdm->lock, flags); clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED; arch_clkdm->clkdm_deny_idle(clkdm); + pwrdm_state_switch(clkdm->pwrdm.ptr); spin_unlock_irqrestore(&clkdm->lock, flags); } diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index a9b45c7..097a42d 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -137,8 +137,7 @@ static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot, */ reg = omap4_ctrl_pad_readl(control_pbias_offset); reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | - OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + OMAP4_MMC1_PWRDNZ_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); } @@ -156,8 +155,7 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot, else reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK; reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | - OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + OMAP4_MMC1_PWRDNZ_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); timeout = jiffies + msecs_to_jiffies(5); @@ -171,16 +169,14 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot, if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) { pr_err("Pbias Voltage is not same as LDO\n"); /* Caution : On VMODE_ERROR Power Down MMC IO */ - reg &= ~(OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + reg &= ~(OMAP4_MMC1_PWRDNZ_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); } } else { reg = omap4_ctrl_pad_readl(control_pbias_offset); reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_MMC1_PBIASLITE_VMODE_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + OMAP4_MMC1_PBIASLITE_VMODE_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); } } diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 16743c7..408193d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -192,6 +192,7 @@ static struct omap_hwmod_addr_space omap2430_usbhsotg_addrs[] = { .pa_end = OMAP243X_HS_BASE + SZ_4K - 1, .flags = ADDR_TYPE_RT }, + { } }; /* l4_core ->usbhsotg interface */ diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 3feb359..472bf22 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -130,7 +130,6 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state) } else { hwsup = clkdm_in_hwsup(pwrdm->pwrdm_clkdms[0]); clkdm_wakeup(pwrdm->pwrdm_clkdms[0]); - pwrdm_wait_transition(pwrdm); sleep_switch = FORCEWAKEUP_SWITCH; } } @@ -156,7 +155,6 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state) return ret; } - pwrdm_wait_transition(pwrdm); pwrdm_state_switch(pwrdm); err: return ret; diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 9af0847..ef71fdd 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -195,28 +195,35 @@ static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused) /** * pwrdm_init - set up the powerdomain layer - * @pwrdm_list: array of struct powerdomain pointers to register + * @pwrdms: array of struct powerdomain pointers to register * @custom_funcs: func pointers for arch specific implementations * - * Loop through the array of powerdomains @pwrdm_list, registering all - * that are available on the current CPU. If pwrdm_list is supplied - * and not null, all of the referenced powerdomains will be - * registered. No return value. XXX pwrdm_list is not really a - * "list"; it is an array. Rename appropriately. + * Loop through the array of powerdomains @pwrdms, registering all + * that are available on the current CPU. Also, program all + * powerdomain target state as ON; this is to prevent domains from + * hitting low power states (if bootloader has target states set to + * something other than ON) and potentially even losing context while + * PM is not fully initialized. The PM late init code can then program + * the desired target state for all the power domains. No return + * value. */ -void pwrdm_init(struct powerdomain **pwrdm_list, struct pwrdm_ops *custom_funcs) +void pwrdm_init(struct powerdomain **pwrdms, struct pwrdm_ops *custom_funcs) { struct powerdomain **p = NULL; + struct powerdomain *temp_p; if (!custom_funcs) WARN(1, "powerdomain: No custom pwrdm functions registered\n"); else arch_pwrdm = custom_funcs; - if (pwrdm_list) { - for (p = pwrdm_list; *p; p++) + if (pwrdms) { + for (p = pwrdms; *p; p++) _pwrdm_register(*p); } + + list_for_each_entry(temp_p, &pwrdm_list, node) + pwrdm_set_next_pwrst(temp_p, PWRDM_POWER_ON); } /** diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index a65145b..19e4dac 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -137,9 +137,6 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data) musb_plat.mode = board_data->mode; musb_plat.extvbus = board_data->extvbus; - if (cpu_is_omap44xx()) - omap4430_phy_init(dev); - if (cpu_is_omap3517() || cpu_is_omap3505()) { oh_name = "am35x_otg_hs"; name = "musb-am35x"; diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c index a6eddae..c105556 100644 --- a/arch/arm/mach-orion5x/dns323-setup.c +++ b/arch/arm/mach-orion5x/dns323-setup.c @@ -77,7 +77,7 @@ static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) /* * Check for devices with hard-wired IRQs. */ - irq = orion5x_pci_map_irq(const dev, slot, pin); + irq = orion5x_pci_map_irq(dev, slot, pin); if (irq != -1) return irq; diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c index 28b8760..bc4a920 100644 --- a/arch/arm/mach-orion5x/pci.c +++ b/arch/arm/mach-orion5x/pci.c @@ -14,6 +14,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/mbus.h> +#include <video/vga.h> #include <asm/irq.h> #include <asm/mach/pci.h> #include <plat/pcie.h> diff --git a/arch/arm/mach-prima2/clock.c b/arch/arm/mach-prima2/clock.c index f9a2aaf..615a4e7 100644 --- a/arch/arm/mach-prima2/clock.c +++ b/arch/arm/mach-prima2/clock.c @@ -481,6 +481,7 @@ static void __init sirfsoc_clk_init(void) static struct of_device_id clkc_ids[] = { { .compatible = "sirf,prima2-clkc" }, + {}, }; void __init sirfsoc_of_clk_init(void) diff --git a/arch/arm/mach-prima2/irq.c b/arch/arm/mach-prima2/irq.c index c3404cb..7af254d 100644 --- a/arch/arm/mach-prima2/irq.c +++ b/arch/arm/mach-prima2/irq.c @@ -51,6 +51,7 @@ static __init void sirfsoc_irq_init(void) static struct of_device_id intc_ids[] = { { .compatible = "sirf,prima2-intc" }, + {}, }; void __init sirfsoc_of_irq_init(void) diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c index d074786..492cfa8 100644 --- a/arch/arm/mach-prima2/rstc.c +++ b/arch/arm/mach-prima2/rstc.c @@ -19,6 +19,7 @@ static DEFINE_MUTEX(rstc_lock); static struct of_device_id rstc_ids[] = { { .compatible = "sirf,prima2-rstc" }, + {}, }; static int __init sirfsoc_of_rstc_init(void) diff --git a/arch/arm/mach-prima2/timer.c b/arch/arm/mach-prima2/timer.c index 44027f3..ed7ec48 100644 --- a/arch/arm/mach-prima2/timer.c +++ b/arch/arm/mach-prima2/timer.c @@ -190,6 +190,7 @@ static void __init sirfsoc_timer_init(void) static struct of_device_id timer_ids[] = { { .compatible = "sirf,prima2-tick" }, + {}, }; static void __init sirfsoc_of_timer_map(void) diff --git a/arch/arm/mach-realview/include/mach/system.h b/arch/arm/mach-realview/include/mach/system.h index a30f2e3..6657ff23 100644 --- a/arch/arm/mach-realview/include/mach/system.h +++ b/arch/arm/mach-realview/include/mach/system.h @@ -44,6 +44,7 @@ static inline void arch_reset(char mode, const char *cmd) */ if (realview_reset) realview_reset(mode); + dsb(); } #endif diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c index f1d3bd8..343a540 100644 --- a/arch/arm/mach-s3c2410/s3c2410.c +++ b/arch/arm/mach-s3c2410/s3c2410.c @@ -170,7 +170,9 @@ int __init s3c2410_init(void) { printk("S3C2410: Initialising architecture\n"); +#ifdef CONFIG_PM register_syscore_ops(&s3c2410_pm_syscore_ops); +#endif register_syscore_ops(&s3c24xx_irq_syscore_ops); return sysdev_register(&s3c2410_sysdev); diff --git a/arch/arm/mach-s3c2412/s3c2412.c b/arch/arm/mach-s3c2412/s3c2412.c index ef0958d..57a1e01 100644 --- a/arch/arm/mach-s3c2412/s3c2412.c +++ b/arch/arm/mach-s3c2412/s3c2412.c @@ -245,7 +245,9 @@ int __init s3c2412_init(void) { printk("S3C2412: Initialising architecture\n"); +#ifdef CONFIG_PM register_syscore_ops(&s3c2412_pm_syscore_ops); +#endif register_syscore_ops(&s3c24xx_irq_syscore_ops); return sysdev_register(&s3c2412_sysdev); diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c index 494ce91..20b3fdfb 100644 --- a/arch/arm/mach-s3c2416/s3c2416.c +++ b/arch/arm/mach-s3c2416/s3c2416.c @@ -97,7 +97,9 @@ int __init s3c2416_init(void) s3c_fb_setname("s3c2443-fb"); +#ifdef CONFIG_PM register_syscore_ops(&s3c2416_pm_syscore_ops); +#endif register_syscore_ops(&s3c24xx_irq_syscore_ops); return sysdev_register(&s3c2416_sysdev); diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c index ce99ff7..2270d33 100644 --- a/arch/arm/mach-s3c2440/s3c2440.c +++ b/arch/arm/mach-s3c2440/s3c2440.c @@ -55,7 +55,9 @@ int __init s3c2440_init(void) /* register suspend/resume handlers */ +#ifdef CONFIG_PM register_syscore_ops(&s3c2410_pm_syscore_ops); +#endif register_syscore_ops(&s3c244x_pm_syscore_ops); register_syscore_ops(&s3c24xx_irq_syscore_ops); diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c index 9ad99f8..6f2b65e 100644 --- a/arch/arm/mach-s3c2440/s3c2442.c +++ b/arch/arm/mach-s3c2440/s3c2442.c @@ -169,7 +169,9 @@ int __init s3c2442_init(void) { printk("S3C2442: Initialising architecture\n"); +#ifdef CONFIG_PM register_syscore_ops(&s3c2410_pm_syscore_ops); +#endif register_syscore_ops(&s3c244x_pm_syscore_ops); register_syscore_ops(&s3c24xx_irq_syscore_ops); diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c index a1a7176..38058af 100644 --- a/arch/arm/mach-s3c2443/clock.c +++ b/arch/arm/mach-s3c2443/clock.c @@ -128,7 +128,7 @@ static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate) unsigned long clkcon0; clkcon0 = __raw_readl(S3C2443_CLKDIV0); - clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK; + clkcon0 &= ~S3C2443_CLKDIV0_ARMDIV_MASK; clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT; __raw_writel(clkcon0, S3C2443_CLKDIV0); } diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index ecbea92..a9f3183 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -262,45 +262,6 @@ static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = { .cols = 8, }; -static int smdk6410_backlight_init(struct device *dev) -{ - int ret; - - ret = gpio_request(S3C64XX_GPF(15), "Backlight"); - if (ret) { - printk(KERN_ERR "failed to request GPF for PWM-OUT1\n"); - return ret; - } - - /* Configure GPIO pin with S3C64XX_GPF15_PWM_TOUT1 */ - s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2)); - - return 0; -} - -static void smdk6410_backlight_exit(struct device *dev) -{ - s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_OUTPUT); - gpio_free(S3C64XX_GPF(15)); -} - -static struct platform_pwm_backlight_data smdk6410_backlight_data = { - .pwm_id = 1, - .max_brightness = 255, - .dft_brightness = 255, - .pwm_period_ns = 78770, - .init = smdk6410_backlight_init, - .exit = smdk6410_backlight_exit, -}; - -static struct platform_device smdk6410_backlight_device = { - .name = "pwm-backlight", - .dev = { - .parent = &s3c_device_timer[1].dev, - .platform_data = &smdk6410_backlight_data, - }, -}; - static struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 8bad643..055e285 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -16,6 +16,7 @@ #include <linux/suspend.h> #include <linux/serial_core.h> #include <linux/io.h> +#include <linux/gpio.h> #include <mach/map.h> #include <mach/irqs.h> diff --git a/arch/arm/mach-s5p64x0/irq-eint.c b/arch/arm/mach-s5p64x0/irq-eint.c index 69ed454..fe7380f 100644 --- a/arch/arm/mach-s5p64x0/irq-eint.c +++ b/arch/arm/mach-s5p64x0/irq-eint.c @@ -129,7 +129,7 @@ static int s5p64x0_alloc_gc(void) } ct = gc->chip_types; - ct->chip.irq_ack = irq_gc_ack; + ct->chip.irq_ack = irq_gc_ack_set_bit; ct->chip.irq_mask = irq_gc_mask_set_bit; ct->chip.irq_unmask = irq_gc_mask_clr_bit; ct->chip.irq_set_type = s5p64x0_irq_eint_set_type; diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c index 52a8e60..f5f8fa8 100644 --- a/arch/arm/mach-s5pv210/clock.c +++ b/arch/arm/mach-s5pv210/clock.c @@ -815,8 +815,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "s5pv210-fimc.0", + .name = "sclk_cam0", .enable = s5pv210_clk_mask0_ctrl, .ctrlbit = (1 << 3), }, @@ -825,8 +824,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "s5pv210-fimc.1", + .name = "sclk_cam1", .enable = s5pv210_clk_mask0_ctrl, .ctrlbit = (1 << 4), }, diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c index 309e388..f149d27 100644 --- a/arch/arm/mach-s5pv210/pm.c +++ b/arch/arm/mach-s5pv210/pm.c @@ -88,7 +88,7 @@ static struct sleep_save s5pv210_core_save[] = { SAVE_ITEM(S3C2410_TCNTO(0)), }; -void s5pv210_cpu_suspend(unsigned long arg) +static int s5pv210_cpu_suspend(unsigned long arg) { unsigned long tmp; diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index ce5c251..cdfdd62 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -341,6 +341,7 @@ static struct platform_device mipidsi0_device = { static struct sh_mobile_sdhi_info sdhi0_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT, .tmio_caps = MMC_CAP_SD_HIGHSPEED, .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, }; @@ -382,7 +383,7 @@ void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state) } static struct sh_mobile_sdhi_info sh_sdhi1_info = { - .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE, + .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT, .tmio_caps = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ, .tmio_ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .set_pwr = ag5evm_sdhi1_set_pwr, diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 9e0856b..523f608 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -1412,6 +1412,7 @@ static void __init ap4evb_init(void) fsi_init_pm_clock(); sh7372_pm_init(); pm_clk_add(&fsi_device.dev, "spu2"); + pm_clk_add(&lcdc1_device.dev, "hdmi"); } static void __init ap4evb_timer_init(void) diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index d41c01f..17c19dc 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -641,6 +641,8 @@ static struct usbhs_private usbhs0_private = { }, .driver_param = { .buswait_bwait = 4, + .d0_tx_id = SHDMA_SLAVE_USB0_TX, + .d1_rx_id = SHDMA_SLAVE_USB0_RX, }, }, }; @@ -810,6 +812,8 @@ static struct usbhs_private usbhs1_private = { .buswait_bwait = 4, .pipe_type = usbhs1_pipe_cfg, .pipe_size = ARRAY_SIZE(usbhs1_pipe_cfg), + .d0_tx_id = SHDMA_SLAVE_USB1_TX, + .d1_rx_id = SHDMA_SLAVE_USB1_RX, }, }, }; @@ -1588,6 +1592,7 @@ static void __init mackerel_init(void) hdmi_init_pm_clock(); sh7372_pm_init(); pm_clk_add(&fsi_device.dev, "spu2"); + pm_clk_add(&hdmi_lcdc_device.dev, "hdmi"); } static void __init mackerel_timer_init(void) diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 6b1619a..6697592 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -503,16 +503,17 @@ static struct clk *late_main_clks[] = { &sh7372_fsidivb_clk, }; -enum { MSTP001, +enum { MSTP001, MSTP000, MSTP131, MSTP130, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP117, MSTP116, MSTP113, MSTP106, MSTP101, MSTP100, MSTP223, - MSTP218, MSTP217, MSTP216, - MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312, - MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403, + MSTP218, MSTP217, MSTP216, MSTP214, MSTP208, MSTP207, + MSTP206, MSTP205, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, + MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312, + MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP407, MSTP406, + MSTP405, MSTP404, MSTP403, MSTP400, MSTP_NR }; #define MSTP(_parent, _reg, _bit, _flags) \ @@ -520,6 +521,7 @@ enum { MSTP001, static struct clk mstp_clks[MSTP_NR] = { [MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */ + [MSTP000] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 0, 0), /* MSIOF0 */ [MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */ [MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */ [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */ @@ -538,14 +540,16 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */ [MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */ [MSTP216] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */ + [MSTP214] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */ + [MSTP208] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 8, 0), /* MSIOF1 */ [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ + [MSTP205] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 5, 0), /* MSIOF2 */ [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ [MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */ [MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */ [MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */ [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ - [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ [MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, 0), /* FSI2 */ [MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */ [MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */ @@ -557,8 +561,12 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */ [MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */ [MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */ + [MSTP407] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 7, 0), /* USB-DMAC1 */ [MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */ + [MSTP405] = MSTP(&r_clk, SMSTPCR4, 5, 0), /* CMT4 */ + [MSTP404] = MSTP(&r_clk, SMSTPCR4, 4, 0), /* CMT3 */ [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ + [MSTP400] = MSTP(&r_clk, SMSTPCR4, 0, 0), /* CMT2 */ }; static struct clk_lookup lookups[] = { @@ -609,6 +617,7 @@ static struct clk_lookup lookups[] = { /* MSTP32 clocks */ CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */ + CLKDEV_DEV_ID("spi_sh_msiof.0", &mstp_clks[MSTP000]), /* MSIOF0 */ CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */ CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */ CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */ @@ -629,14 +638,16 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* DMAC1 */ CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* DMAC2 */ CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), /* DMAC3 */ + CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), /* USB-DMAC0 */ + CLKDEV_DEV_ID("spi_sh_msiof.1", &mstp_clks[MSTP208]), /* MSIOF1 */ CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */ + CLKDEV_DEV_ID("spi_sh_msiof.2", &mstp_clks[MSTP205]), /* MSIOF2 */ CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */ CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */ CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ - CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */ @@ -650,11 +661,17 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */ CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */ + CLKDEV_DEV_ID("sh-dma-engine.4", &mstp_clks[MSTP407]), /* USB-DMAC1 */ CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */ CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */ CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[MSTP406]), /* USB1 */ + CLKDEV_DEV_ID("sh_cmt.4", &mstp_clks[MSTP405]), /* CMT4 */ + CLKDEV_DEV_ID("sh_cmt.3", &mstp_clks[MSTP404]), /* CMT3 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ + CLKDEV_DEV_ID("sh_cmt.2", &mstp_clks[MSTP400]), /* CMT2 */ + CLKDEV_ICK_ID("hdmi", "sh_mobile_lcdc_fb.1", + &div6_reparent_clks[DIV6_HDMI]), CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]), CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]), CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]), diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 6db2cca..61a846b 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -365,7 +365,7 @@ void __init sh73a0_clock_init(void) __raw_writel(0x108, SD2CKCR); /* detect main clock parent */ - switch ((__raw_readl(CKSCR) >> 24) & 0x03) { + switch ((__raw_readl(CKSCR) >> 28) & 0x03) { case 0: main_clk.parent = &sh73a0_extal1_clk; break; diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index ce595ce..24e63a8 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -459,6 +459,10 @@ enum { SHDMA_SLAVE_SDHI2_TX, SHDMA_SLAVE_MMCIF_RX, SHDMA_SLAVE_MMCIF_TX, + SHDMA_SLAVE_USB0_TX, + SHDMA_SLAVE_USB0_RX, + SHDMA_SLAVE_USB1_TX, + SHDMA_SLAVE_USB1_RX, }; extern struct clk sh7372_extal1_clk; diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c index 3b28743..739315e3 100644 --- a/arch/arm/mach-shmobile/intc-sh7372.c +++ b/arch/arm/mach-shmobile/intc-sh7372.c @@ -379,7 +379,7 @@ enum { /* BBIF2 */ VPU, TSIF1, - _3DG_SGX530, + /* 3DG */ _2DDMAC, IIC2_ALI2, IIC2_TACKI2, IIC2_WAITI2, IIC2_DTEI2, IPMMU_IPMMUR, IPMMU_IPMMUR2, @@ -436,7 +436,7 @@ static struct intc_vect intcs_vectors[] = { /* BBIF2 */ INTCS_VECT(VPU, 0x980), INTCS_VECT(TSIF1, 0x9a0), - INTCS_VECT(_3DG_SGX530, 0x9e0), + /* 3DG */ INTCS_VECT(_2DDMAC, 0xa00), INTCS_VECT(IIC2_ALI2, 0xa80), INTCS_VECT(IIC2_TACKI2, 0xaa0), INTCS_VECT(IIC2_WAITI2, 0xac0), INTCS_VECT(IIC2_DTEI2, 0xae0), @@ -521,7 +521,7 @@ static struct intc_mask_reg intcs_mask_registers[] = { RTDMAC_1_DEI3, RTDMAC_1_DEI2, RTDMAC_1_DEI1, RTDMAC_1_DEI0 } }, { 0xffd20198, 0xffd201d8, 8, /* IMR6SA / IMCR6SA */ { 0, 0, MSIOF, 0, - _3DG_SGX530, 0, 0, 0 } }, + 0, 0, 0, 0 } }, { 0xffd2019c, 0xffd201dc, 8, /* IMR7SA / IMCR7SA */ { 0, TMU_TUNI2, TMU_TUNI1, TMU_TUNI0, 0, 0, 0, 0 } }, @@ -561,7 +561,6 @@ static struct intc_prio_reg intcs_prio_registers[] = { TMU_TUNI2, TSIF1 } }, { 0xffd2001c, 0, 16, 4, /* IPRHS */ { 0, 0, VEU, BEU } }, { 0xffd20020, 0, 16, 4, /* IPRIS */ { 0, MSIOF, TSIF0, IIC0 } }, - { 0xffd20024, 0, 16, 4, /* IPRJS */ { 0, _3DG_SGX530, 0, 0 } }, { 0xffd20028, 0, 16, 4, /* IPRKS */ { 0, 0, LMB, 0 } }, { 0xffd2002c, 0, 16, 4, /* IPRLS */ { IPMMU, 0, 0, 0 } }, { 0xffd20030, 0, 16, 4, /* IPRMS */ { IIC2, 0, 0, 0 } }, diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 79f0413..2d9b1b1 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -169,35 +169,35 @@ static struct platform_device scif6_device = { }; /* CMT */ -static struct sh_timer_config cmt10_platform_data = { - .name = "CMT10", - .channel_offset = 0x10, - .timer_bit = 0, +static struct sh_timer_config cmt2_platform_data = { + .name = "CMT2", + .channel_offset = 0x40, + .timer_bit = 5, .clockevent_rating = 125, .clocksource_rating = 125, }; -static struct resource cmt10_resources[] = { +static struct resource cmt2_resources[] = { [0] = { - .name = "CMT10", - .start = 0xe6138010, - .end = 0xe613801b, + .name = "CMT2", + .start = 0xe6130040, + .end = 0xe613004b, .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0b00), /* CMT1_CMT10 */ + .start = evt2irq(0x0b80), /* CMT2 */ .flags = IORESOURCE_IRQ, }, }; -static struct platform_device cmt10_device = { +static struct platform_device cmt2_device = { .name = "sh_cmt", - .id = 10, + .id = 2, .dev = { - .platform_data = &cmt10_platform_data, + .platform_data = &cmt2_platform_data, }, - .resource = cmt10_resources, - .num_resources = ARRAY_SIZE(cmt10_resources), + .resource = cmt2_resources, + .num_resources = ARRAY_SIZE(cmt2_resources), }; /* TMU */ @@ -602,6 +602,150 @@ static struct platform_device dma2_device = { }, }; +/* + * USB-DMAC + */ + +unsigned int usbts_shift[] = {3, 4, 5}; + +enum { + XMIT_SZ_8BYTE = 0, + XMIT_SZ_16BYTE = 1, + XMIT_SZ_32BYTE = 2, +}; + +#define USBTS_INDEX2VAL(i) (((i) & 3) << 6) + +static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = { + { + .offset = 0, + }, { + .offset = 0x20, + }, +}; + +/* USB DMAC0 */ +static const struct sh_dmae_slave_config sh7372_usb_dmae0_slaves[] = { + { + .slave_id = SHDMA_SLAVE_USB0_TX, + .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + }, { + .slave_id = SHDMA_SLAVE_USB0_RX, + .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + }, +}; + +static struct sh_dmae_pdata usb_dma0_platform_data = { + .slave = sh7372_usb_dmae0_slaves, + .slave_num = ARRAY_SIZE(sh7372_usb_dmae0_slaves), + .channel = sh7372_usb_dmae_channels, + .channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels), + .ts_low_shift = 6, + .ts_low_mask = 0xc0, + .ts_high_shift = 0, + .ts_high_mask = 0, + .ts_shift = usbts_shift, + .ts_shift_num = ARRAY_SIZE(usbts_shift), + .dmaor_init = DMAOR_DME, + .chcr_offset = 0x14, + .chcr_ie_bit = 1 << 5, + .dmaor_is_32bit = 1, + .needs_tend_set = 1, + .no_dmars = 1, +}; + +static struct resource sh7372_usb_dmae0_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xe68a0020, + .end = 0xe68a0064 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* VCR/SWR/DMICR */ + .start = 0xe68a0000, + .end = 0xe68a0014 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* IRQ for channels */ + .start = evt2irq(0x0a00), + .end = evt2irq(0x0a00), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb_dma0_device = { + .name = "sh-dma-engine", + .id = 3, + .resource = sh7372_usb_dmae0_resources, + .num_resources = ARRAY_SIZE(sh7372_usb_dmae0_resources), + .dev = { + .platform_data = &usb_dma0_platform_data, + }, +}; + +/* USB DMAC1 */ +static const struct sh_dmae_slave_config sh7372_usb_dmae1_slaves[] = { + { + .slave_id = SHDMA_SLAVE_USB1_TX, + .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + }, { + .slave_id = SHDMA_SLAVE_USB1_RX, + .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + }, +}; + +static struct sh_dmae_pdata usb_dma1_platform_data = { + .slave = sh7372_usb_dmae1_slaves, + .slave_num = ARRAY_SIZE(sh7372_usb_dmae1_slaves), + .channel = sh7372_usb_dmae_channels, + .channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels), + .ts_low_shift = 6, + .ts_low_mask = 0xc0, + .ts_high_shift = 0, + .ts_high_mask = 0, + .ts_shift = usbts_shift, + .ts_shift_num = ARRAY_SIZE(usbts_shift), + .dmaor_init = DMAOR_DME, + .chcr_offset = 0x14, + .chcr_ie_bit = 1 << 5, + .dmaor_is_32bit = 1, + .needs_tend_set = 1, + .no_dmars = 1, +}; + +static struct resource sh7372_usb_dmae1_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xe68c0020, + .end = 0xe68c0064 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* VCR/SWR/DMICR */ + .start = 0xe68c0000, + .end = 0xe68c0014 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* IRQ for channels */ + .start = evt2irq(0x1d00), + .end = evt2irq(0x1d00), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb_dma1_device = { + .name = "sh-dma-engine", + .id = 4, + .resource = sh7372_usb_dmae1_resources, + .num_resources = ARRAY_SIZE(sh7372_usb_dmae1_resources), + .dev = { + .platform_data = &usb_dma1_platform_data, + }, +}; + /* VPU */ static struct uio_info vpu_platform_data = { .name = "VPU5HG", @@ -818,7 +962,7 @@ static struct platform_device *sh7372_early_devices[] __initdata = { &scif4_device, &scif5_device, &scif6_device, - &cmt10_device, + &cmt2_device, &tmu00_device, &tmu01_device, }; @@ -829,6 +973,8 @@ static struct platform_device *sh7372_late_devices[] __initdata = { &dma0_device, &dma1_device, &dma2_device, + &usb_dma0_device, + &usb_dma1_device, &vpu_device, &veu0_device, &veu1_device, diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c index 0e1016a..0e0fd4d 100644 --- a/arch/arm/mach-tegra/cpu-tegra.c +++ b/arch/arm/mach-tegra/cpu-tegra.c @@ -32,7 +32,6 @@ #include <asm/system.h> -#include <mach/hardware.h> #include <mach/clk.h> /* Frequency table index must be sequential starting at 0 */ diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 4210cb4..a3e0c86 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -6,6 +6,7 @@ config UX500_SOC_COMMON select ARM_GIC select HAS_MTU select ARM_ERRATA_753970 + select ARM_ERRATA_754322 menu "Ux500 SoC" diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index 9e6b93b..d0d267a 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -318,6 +318,10 @@ static struct clk v2m_sp804_clk = { .rate = 1000000, }; +static struct clk v2m_ref_clk = { + .rate = 32768, +}; + static struct clk dummy_apb_pclk; static struct clk_lookup v2m_lookups[] = { @@ -348,6 +352,9 @@ static struct clk_lookup v2m_lookups[] = { }, { /* CLCD */ .dev_id = "mb:clcd", .clk = &osc1_clk, + }, { /* SP805 WDT */ + .dev_id = "mb:wdt", + .clk = &v2m_ref_clk, }, { /* SP804 timers */ .dev_id = "sp804", .con_id = "v2m-timer0", diff --git a/arch/arm/mm/abort-macro.S b/arch/arm/mm/abort-macro.S index 52162d5..2cbf68e 100644 --- a/arch/arm/mm/abort-macro.S +++ b/arch/arm/mm/abort-macro.S @@ -17,7 +17,7 @@ cmp \tmp, # 0x5600 @ Is it ldrsb? orreq \tmp, \tmp, #1 << 11 @ Set L-bit if yes tst \tmp, #1 << 11 @ L = 0 -> write - orreq \psr, \psr, #1 << 11 @ yes. + orreq \fsr, \fsr, #1 << 11 @ yes. b do_DataAbort not_thumb: .endm diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 44c0867..9ecfdb5 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -277,6 +277,25 @@ static void l2x0_disable(void) spin_unlock_irqrestore(&l2x0_lock, flags); } +static void __init l2x0_unlock(__u32 cache_id) +{ + int lockregs; + int i; + + if (cache_id == L2X0_CACHE_ID_PART_L310) + lockregs = 8; + else + /* L210 and unknown types */ + lockregs = 1; + + for (i = 0; i < lockregs; i++) { + writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_D_BASE + + i * L2X0_LOCKDOWN_STRIDE); + writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_I_BASE + + i * L2X0_LOCKDOWN_STRIDE); + } +} + void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) { __u32 aux; @@ -328,6 +347,8 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) * accessing the below registers will fault. */ if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) { + /* Make sure that I&D is not locked down when starting */ + l2x0_unlock(cache_id); /* l2x0 controller is disabled */ writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL); diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 3b24bfa..07c4bc8 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -174,6 +174,10 @@ ENTRY(v7_coherent_user_range) dcache_line_size r2, r3 sub r3, r2, #1 bic r12, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: USER( mcr p15, 0, r12, c7, c11, 1 ) @ clean D line to the point of unification add r12, r12, r2 @@ -223,6 +227,10 @@ ENTRY(v7_flush_kern_dcache_area) add r1, r0, r1 sub r3, r2, #1 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line / unified line add r0, r0, r2 @@ -247,6 +255,10 @@ v7_dma_inv_range: sub r3, r2, #1 tst r0, r3 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D / U line tst r1, r3 @@ -270,6 +282,10 @@ v7_dma_clean_range: dcache_line_size r2, r3 sub r3, r2, #1 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: mcr p15, 0, r0, c7, c10, 1 @ clean D / U line add r0, r0, r2 @@ -288,6 +304,10 @@ ENTRY(v7_dma_flush_range) dcache_line_size r2, r3 sub r3, r2, #1 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D / U line add r0, r0, r2 diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 0a0a1e7..c3ff82f 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -324,6 +324,8 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, if (addr) *handle = pfn_to_dma(dev, page_to_pfn(page)); + else + __dma_free_buffer(page, size); return addr; } diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 91bca35..f8037ba 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -298,7 +298,7 @@ static void __init arm_bootmem_free(unsigned long min, unsigned long max_low, #ifdef CONFIG_HAVE_ARCH_PFN_VALID int pfn_valid(unsigned long pfn) { - return memblock_is_memory(pfn << PAGE_SHIFT); + return memblock_is_memory(__pfn_to_phys(pfn)); } EXPORT_SYMBOL(pfn_valid); #endif @@ -496,6 +496,13 @@ static void __init free_unused_memmap(struct meminfo *mi) */ bank_start = min(bank_start, ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#else + /* + * Align down here since the VM subsystem insists that the + * memmap entries are valid from the bank start aligned to + * MAX_ORDER_NR_PAGES. + */ + bank_start = round_down(bank_start, MAX_ORDER_NR_PAGES); #endif /* * If we had a previous bank, and there is a space diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 92bd102..2e6849b 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -379,7 +379,7 @@ ENTRY(cpu_arm920_set_pte_ext) /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */ .globl cpu_arm920_suspend_size -.equ cpu_arm920_suspend_size, 4 * 3 +.equ cpu_arm920_suspend_size, 4 * 4 #ifdef CONFIG_PM_SLEEP ENTRY(cpu_arm920_do_suspend) stmfd sp!, {r4 - r7, lr} diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 2bbcf05..cd8f79c 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -394,7 +394,7 @@ ENTRY(cpu_arm926_set_pte_ext) /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */ .globl cpu_arm926_suspend_size -.equ cpu_arm926_suspend_size, 4 * 3 +.equ cpu_arm926_suspend_size, 4 * 4 #ifdef CONFIG_PM_SLEEP ENTRY(cpu_arm926_do_suspend) stmfd sp!, {r4 - r7, lr} diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S index 07219c2..69e7f2e 100644 --- a/arch/arm/mm/proc-sa1100.S +++ b/arch/arm/mm/proc-sa1100.S @@ -182,11 +182,11 @@ ENDPROC(cpu_sa1100_do_suspend) ENTRY(cpu_sa1100_do_resume) ldmia r0, {r4 - r7} @ load cp regs - mov r1, #0 - mcr p15, 0, r1, c8, c7, 0 @ flush I+D TLBs - mcr p15, 0, r1, c7, c7, 0 @ flush I&D cache - mcr p15, 0, r1, c9, c0, 0 @ invalidate RB - mcr p15, 0, r1, c9, c0, 5 @ allow user space to use RB + mov ip, #0 + mcr p15, 0, ip, c8, c7, 0 @ flush I+D TLBs + mcr p15, 0, ip, c7, c7, 0 @ flush I&D cache + mcr p15, 0, ip, c9, c0, 0 @ invalidate RB + mcr p15, 0, ip, c9, c0, 5 @ allow user space to use RB mcr p15, 0, r4, c3, c0, 0 @ domain ID mcr p15, 0, r5, c2, c0, 0 @ translation table base addr diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 219138d..a923aa0 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -223,6 +223,22 @@ __v6_setup: mrc p15, 0, r0, c1, c0, 0 @ read control register bic r0, r0, r5 @ clear bits them orr r0, r0, r6 @ set them +#ifdef CONFIG_ARM_ERRATA_364296 + /* + * Workaround for the 364296 ARM1136 r0p2 erratum (possible cache data + * corruption with hit-under-miss enabled). The conditional code below + * (setting the undocumented bit 31 in the auxiliary control register + * and the FI bit in the control register) disables hit-under-miss + * without putting the processor into full low interrupt latency mode. + */ + ldr r6, =0x4107b362 @ id for ARM1136 r0p2 + mrc p15, 0, r5, c0, c0, 0 @ get processor id + teq r5, r6 @ check for the faulty core + mrceq p15, 0, r5, c1, c0, 1 @ load aux control reg + orreq r5, r5, #(1 << 31) @ set the undocumented bit 31 + mcreq p15, 0, r5, c1, c0, 1 @ write aux control reg + orreq r0, r0, #(1 << 21) @ low interrupt latency configuration +#endif mov pc, lr @ return to head.S:__ret /* diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index a30e785..9049c0764 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -66,6 +66,7 @@ ENDPROC(cpu_v7_proc_fin) ENTRY(cpu_v7_reset) mrc p15, 0, r1, c1, c0, 0 @ ctrl register bic r1, r1, #0x1 @ ...............m + THUMB( bic r1, r1, #1 << 30 ) @ SCTLR.TE (Thumb exceptions) mcr p15, 0, r1, c1, c0, 0 @ disable MMU isb mov pc, r0 @@ -247,13 +248,16 @@ ENTRY(cpu_v7_do_resume) mcr p15, 0, r7, c2, c0, 0 @ TTB 0 mcr p15, 0, r8, c2, c0, 1 @ TTB 1 mcr p15, 0, ip, c2, c0, 2 @ TTB control register - mcr p15, 0, r10, c1, c0, 1 @ Auxiliary control register + mrc p15, 0, r4, c1, c0, 1 @ Read Auxiliary control register + teq r4, r10 @ Is it already set? + mcrne p15, 0, r10, c1, c0, 1 @ No, so write it mcr p15, 0, r11, c1, c0, 2 @ Co-processor access control ldr r4, =PRRR @ PRRR ldr r5, =NMRR @ NMRR mcr p15, 0, r4, c10, c2, 0 @ write PRRR mcr p15, 0, r5, c10, c2, 1 @ write NMRR isb + dsb mov r0, r9 @ control register mov r2, r7, lsr #14 @ get TTB0 base mov r2, r2, lsl #14 diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index 28c72a2..755e1bf 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -406,7 +406,7 @@ ENTRY(cpu_xsc3_set_pte_ext) .align .globl cpu_xsc3_suspend_size -.equ cpu_xsc3_suspend_size, 4 * 8 +.equ cpu_xsc3_suspend_size, 4 * 7 #ifdef CONFIG_PM_SLEEP ENTRY(cpu_xsc3_do_suspend) stmfd sp!, {r4 - r10, lr} @@ -418,12 +418,12 @@ ENTRY(cpu_xsc3_do_suspend) mrc p15, 0, r9, c1, c0, 1 @ auxiliary control reg mrc p15, 0, r10, c1, c0, 0 @ control reg bic r4, r4, #2 @ clear frequency change bit - stmia r0, {r1, r4 - r10} @ store v:p offset + cp regs + stmia r0, {r4 - r10} @ store cp regs ldmia sp!, {r4 - r10, pc} ENDPROC(cpu_xsc3_do_suspend) ENTRY(cpu_xsc3_do_resume) - ldmia r0, {r1, r4 - r10} @ load v:p offset + cp regs + ldmia r0, {r4 - r10} @ load cp regs mov ip, #0 mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB mcr p15, 0, ip, c7, c10, 4 @ drain write (&fill) buffer diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index b6b4097..02609ee 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -615,6 +615,9 @@ static int _od_resume_noirq(struct device *dev) return pm_generic_resume_noirq(dev); } +#else +#define _od_suspend_noirq NULL +#define _od_resume_noirq NULL #endif static struct dev_pm_domain omap_device_pm_domain = { @@ -622,7 +625,8 @@ static struct dev_pm_domain omap_device_pm_domain = { SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume, _od_runtime_idle) USE_PLATFORM_PM_SLEEP_OPS - SET_SYSTEM_SLEEP_PM_OPS(_od_suspend_noirq, _od_resume_noirq) + .suspend_noirq = _od_suspend_noirq, + .resume_noirq = _od_resume_noirq, } }; diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c index 02af235..5f84a3f 100644 --- a/arch/arm/plat-s5p/clock.c +++ b/arch/arm/plat-s5p/clock.c @@ -192,7 +192,7 @@ unsigned long s5p_spdif_get_rate(struct clk *clk) if (IS_ERR(pclk)) return -EINVAL; - rate = pclk->ops->get_rate(clk); + rate = pclk->ops->get_rate(pclk); clk_put(pclk); return rate; diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c index 327ab9f..c65eb79 100644 --- a/arch/arm/plat-s5p/irq-gpioint.c +++ b/arch/arm/plat-s5p/irq-gpioint.c @@ -23,6 +23,8 @@ #include <plat/gpio-core.h> #include <plat/gpio-cfg.h> +#include <asm/mach/irq.h> + #define GPIO_BASE(chip) (((unsigned long)(chip)->base) & 0xFFFFF000u) #define CON_OFFSET 0x700 @@ -81,6 +83,9 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) int group, pend_offset, mask_offset; unsigned int pend, mask; + struct irq_chip *chip = irq_get_chip(irq); + chained_irq_enter(chip, desc); + for (group = 0; group < bank->nr_groups; group++) { struct s3c_gpio_chip *chip = bank->chips[group]; if (!chip) @@ -102,23 +107,25 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) pend &= ~BIT(offset); } } + chained_irq_exit(chip, desc); } static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) { static int used_gpioint_groups = 0; int group = chip->group; - struct s5p_gpioint_bank *bank = NULL; + struct s5p_gpioint_bank *b, *bank = NULL; struct irq_chip_generic *gc; struct irq_chip_type *ct; if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT) return -ENOMEM; - list_for_each_entry(bank, &banks, list) { - if (group >= bank->start && - group < bank->start + bank->nr_groups) + list_for_each_entry(b, &banks, list) { + if (group >= b->start && group < b->start + b->nr_groups) { + bank = b; break; + } } if (!bank) return -EINVAL; @@ -156,9 +163,9 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) ct->chip.irq_mask = irq_gc_mask_set_bit; ct->chip.irq_unmask = irq_gc_mask_clr_bit; ct->chip.irq_set_type = s5p_gpioint_set_type, - ct->regs.ack = PEND_OFFSET + REG_OFFSET(chip->group); - ct->regs.mask = MASK_OFFSET + REG_OFFSET(chip->group); - ct->regs.type = CON_OFFSET + REG_OFFSET(chip->group); + ct->regs.ack = PEND_OFFSET + REG_OFFSET(group - bank->start); + ct->regs.mask = MASK_OFFSET + REG_OFFSET(group - bank->start); + ct->regs.type = CON_OFFSET + REG_OFFSET(group - bank->start); irq_setup_generic_chip(gc, IRQ_MSK(chip->chip.ngpio), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST | IRQ_NOPROBE, 0); diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 302c426..3b44519 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -64,6 +64,17 @@ static LIST_HEAD(clocks); */ DEFINE_SPINLOCK(clocks_lock); +/* Global watchdog clock used by arch_wtd_reset() callback */ +struct clk *s3c2410_wdtclk; +static int __init s3c_wdt_reset_init(void) +{ + s3c2410_wdtclk = clk_get(NULL, "watchdog"); + if (IS_ERR(s3c2410_wdtclk)) + printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); + return 0; +} +arch_initcall(s3c_wdt_reset_init); + /* enable and disable calls for use with the clk struct */ static int clk_null_enable(struct clk *clk, int enable) diff --git a/arch/arm/plat-samsung/include/plat/backlight.h b/arch/arm/plat-samsung/include/plat/backlight.h index 51d8da8..ad530c7 100644 --- a/arch/arm/plat-samsung/include/plat/backlight.h +++ b/arch/arm/plat-samsung/include/plat/backlight.h @@ -20,7 +20,7 @@ struct samsung_bl_gpio_info { int func; }; -extern void samsung_bl_set(struct samsung_bl_gpio_info *gpio_info, +extern void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info, struct platform_pwm_backlight_data *bl_data); #endif /* __ASM_PLAT_BACKLIGHT_H */ diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h index 87d5b38..73c66d4 100644 --- a/arch/arm/plat-samsung/include/plat/clock.h +++ b/arch/arm/plat-samsung/include/plat/clock.h @@ -9,6 +9,9 @@ * published by the Free Software Foundation. */ +#ifndef __ASM_PLAT_CLOCK_H +#define __ASM_PLAT_CLOCK_H __FILE__ + #include <linux/spinlock.h> #include <linux/clkdev.h> @@ -121,3 +124,8 @@ extern int s3c64xx_sclk_ctrl(struct clk *clk, int enable); extern void s3c_pwmclk_init(void); +/* Global watchdog clock used by arch_wtd_reset() callback */ + +extern struct clk *s3c2410_wdtclk; + +#endif /* __ASM_PLAT_CLOCK_H */ diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h index 54b762a..40dbb2b 100644 --- a/arch/arm/plat-samsung/include/plat/watchdog-reset.h +++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h @@ -10,6 +10,7 @@ * published by the Free Software Foundation. */ +#include <plat/clock.h> #include <plat/regs-watchdog.h> #include <mach/map.h> @@ -19,17 +20,12 @@ static inline void arch_wdt_reset(void) { - struct clk *wdtclk; - printk("arch_reset: attempting watchdog reset\n"); __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ - wdtclk = clk_get(NULL, "watchdog"); - if (!IS_ERR(wdtclk)) { - clk_enable(wdtclk); - } else - printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); + if (s3c2410_wdtclk) + clk_enable(s3c2410_wdtclk); /* put initial values into count and data */ __raw_writel(0x80, S3C2410_WTCNT); diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c index f714d06..51583cd 100644 --- a/arch/arm/plat-samsung/irq-vic-timer.c +++ b/arch/arm/plat-samsung/irq-vic-timer.c @@ -22,9 +22,14 @@ #include <plat/irq-vic-timer.h> #include <plat/regs-timer.h> +#include <asm/mach/irq.h> + static void s3c_irq_demux_vic_timer(unsigned int irq, struct irq_desc *desc) { + struct irq_chip *chip = irq_get_chip(irq); + chained_irq_enter(chip, desc); generic_handle_irq((int)desc->irq_data.handler_data); + chained_irq_exit(chip, desc); } /* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */ diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index fff68d0..62cc8f9 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -351,7 +351,7 @@ centro MACH_CENTRO CENTRO 1944 nokia_rx51 MACH_NOKIA_RX51 NOKIA_RX51 1955 omap_zoom2 MACH_OMAP_ZOOM2 OMAP_ZOOM2 1967 cpuat9260 MACH_CPUAT9260 CPUAT9260 1973 -eukrea_cpuimx27 MACH_CPUIMX27 CPUIMX27 1975 +eukrea_cpuimx27 MACH_EUKREA_CPUIMX27 EUKREA_CPUIMX27 1975 acs5k MACH_ACS5K ACS5K 1982 snapper_9260 MACH_SNAPPER_9260 SNAPPER_9260 1987 dsm320 MACH_DSM320 DSM320 1988 @@ -476,8 +476,8 @@ cns3420vb MACH_CNS3420VB CNS3420VB 2776 omap4_panda MACH_OMAP4_PANDA OMAP4_PANDA 2791 ti8168evm MACH_TI8168EVM TI8168EVM 2800 teton_bga MACH_TETON_BGA TETON_BGA 2816 -eukrea_cpuimx25sd MACH_EUKREA_CPUIMX25 EUKREA_CPUIMX25 2820 -eukrea_cpuimx35sd MACH_EUKREA_CPUIMX35 EUKREA_CPUIMX35 2821 +eukrea_cpuimx25sd MACH_EUKREA_CPUIMX25SD EUKREA_CPUIMX25SD 2820 +eukrea_cpuimx35sd MACH_EUKREA_CPUIMX35SD EUKREA_CPUIMX35SD 2821 eukrea_cpuimx51sd MACH_EUKREA_CPUIMX51SD EUKREA_CPUIMX51SD 2822 eukrea_cpuimx51 MACH_EUKREA_CPUIMX51 EUKREA_CPUIMX51 2823 smdkc210 MACH_SMDKC210 SMDKC210 2838 diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S index c7fd394..6eba535 100644 --- a/arch/avr32/kernel/syscall_table.S +++ b/arch/avr32/kernel/syscall_table.S @@ -158,7 +158,7 @@ sys_call_table: .long sys_sched_rr_get_interval .long sys_nanosleep .long sys_poll - .long sys_nfsservctl /* 145 */ + .long sys_ni_syscall /* 145 was nfsservctl */ .long sys_setresgid .long sys_getresgid .long sys_prctl diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 225d311..e413729 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -1543,7 +1543,7 @@ ENTRY(_sys_call_table) .long _sys_ni_syscall /* for vm86 */ .long _sys_ni_syscall /* old "query_module" */ .long _sys_ni_syscall /* sys_poll */ - .long _sys_nfsservctl + .long _sys_ni_syscall /* old nfsservctl */ .long _sys_setresgid /* setresgid16 */ /* 170 */ .long _sys_getresgid /* getresgid16 */ .long _sys_prctl diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S index 1161883..592fbe9 100644 --- a/arch/cris/arch-v10/kernel/entry.S +++ b/arch/cris/arch-v10/kernel/entry.S @@ -771,7 +771,7 @@ sys_call_table: .long sys_ni_syscall /* sys_vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S index 84fed7e..c3ea4694 100644 --- a/arch/cris/arch-v32/kernel/entry.S +++ b/arch/cris/arch-v32/kernel/entry.S @@ -714,7 +714,7 @@ sys_call_table: .long sys_ni_syscall /* sys_vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* Old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/cris/include/asm/serial.h b/arch/cris/include/asm/serial.h new file mode 100644 index 0000000..af7535a --- /dev/null +++ b/arch/cris/include/asm/serial.h @@ -0,0 +1,9 @@ +#ifndef _ASM_SERIAL_H +#define _ASM_SERIAL_H + +/* + * This assumes you have a 1.8432 MHz clock for your UART. + */ +#define BASE_BAUD (1843200 / 16) + +#endif /* _ASM_SERIAL_H */ diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 017d6d7..5ba23f7 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -1358,7 +1358,7 @@ sys_call_table: .long sys_ni_syscall /* for vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* Old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/h8300/kernel/syscalls.S b/arch/h8300/kernel/syscalls.S index f4b2e67..4be2ea2 100644 --- a/arch/h8300/kernel/syscalls.S +++ b/arch/h8300/kernel/syscalls.S @@ -183,7 +183,7 @@ SYMBOL_NAME_LABEL(sys_call_table) .long SYMBOL_NAME(sys_ni_syscall) /* for vm86 */ .long SYMBOL_NAME(sys_ni_syscall) /* sys_query_module */ .long SYMBOL_NAME(sys_poll) - .long SYMBOL_NAME(sys_nfsservctl) + .long SYMBOL_NAME(sys_ni_syscall) /* old nfsservctl */ .long SYMBOL_NAME(sys_setresgid16) /* 170 */ .long SYMBOL_NAME(sys_getresgid16) .long SYMBOL_NAME(sys_prctl) diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 1248547..3ff7785 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -162,7 +162,6 @@ config IA64_GENERIC select ACPI_NUMA select SWIOTLB select PCI_MSI - select DMAR help This selects the system type of your hardware. A "generic" kernel will run on any supported IA-64 system. However, if you configure diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig index 1d7bca0..0e5cd14 100644 --- a/arch/ia64/configs/generic_defconfig +++ b/arch/ia64/configs/generic_defconfig @@ -234,3 +234,4 @@ CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRC_T10DIF=y CONFIG_MISC_DEVICES=y +CONFIG_DMAR=y diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 97dd2ab..198c753 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1614,7 +1614,7 @@ sys_call_table: data8 sys_sched_get_priority_min data8 sys_sched_rr_get_interval data8 sys_nanosleep - data8 sys_nfsservctl + data8 sys_ni_syscall // old nfsservctl data8 sys_prctl // 1170 data8 sys_getpagesize data8 sys_mmap2 diff --git a/arch/m32r/kernel/syscall_table.S b/arch/m32r/kernel/syscall_table.S index 528f2e6..f365c19 100644 --- a/arch/m32r/kernel/syscall_table.S +++ b/arch/m32r/kernel/syscall_table.S @@ -168,7 +168,7 @@ ENTRY(sys_call_table) .long sys_tas /* vm86 syscall holder */ .long sys_ni_syscall /* query_module syscall holder */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* was nfsservctl */ .long sys_setresgid /* 170 */ .long sys_getresgid .long sys_prctl diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index 31d5570..89f2014 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -162,7 +162,7 @@ static inline __attribute_const__ int __virt_to_node_shift(void) pgdat->node_mem_map + (__pfn - pgdat->node_start_pfn); \ }) #define page_to_pfn(_page) ({ \ - struct page *__p = (_page); \ + const struct page *__p = (_page); \ struct pglist_data *pgdat; \ pgdat = &pg_data_map[page_to_nid(__p)]; \ ((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn; \ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 00d1452..c468f2e 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -189,7 +189,7 @@ ENTRY(sys_call_table) .long sys_getpagesize .long sys_ni_syscall /* old "query_module" */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index d915a12..8789daa 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -173,7 +173,7 @@ ENTRY(sys_call_table) .long sys_ni_syscall /* sys_vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* old nfsservctl */ .long sys_setresgid /* 170 */ .long sys_getresgid .long sys_prctl diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 177cdaf..b122adc 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -24,6 +24,7 @@ config MIPS select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select HAVE_ARCH_JUMP_LABEL + select IRQ_FORCED_THREADING menu "Machine selection" @@ -722,6 +723,7 @@ config CAVIUM_OCTEON_SIMULATOR select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_HOTPLUG_CPU select SYS_HAS_CPU_CAVIUM_OCTEON + select HOLES_IN_ZONE help The Octeon simulator is software performance model of the Cavium Octeon Processor. It supports simulating Octeon processors on x86 @@ -744,6 +746,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD select ZONE_DMA32 select USB_ARCH_HAS_OHCI select USB_ARCH_HAS_EHCI + select HOLES_IN_ZONE help This option supports all of the Octeon reference boards from Cavium Networks. It builds a kernel that dynamically determines the Octeon @@ -973,6 +976,9 @@ config ISA_DMA_API config GENERIC_GPIO bool +config HOLES_IN_ZONE + bool + # # Endianess selection. Sufficiently obscure so many users don't know what to # answer,so we try hard to limit the available choices. Also the use of a diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c index 3b2c18b..f72c48d 100644 --- a/arch/mips/alchemy/common/platform.c +++ b/arch/mips/alchemy/common/platform.c @@ -492,7 +492,7 @@ static void __init alchemy_setup_macs(int ctype) memcpy(au1xxx_eth0_platform_data.mac, ethaddr, 6); ret = platform_device_register(&au1xxx_eth0_device); - if (!ret) + if (ret) printk(KERN_INFO "Alchemy: failed to register MAC0\n"); diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c index 647e518..b86324a 100644 --- a/arch/mips/alchemy/common/power.c +++ b/arch/mips/alchemy/common/power.c @@ -158,15 +158,21 @@ static void restore_core_regs(void) void au_sleep(void) { - int cpuid = alchemy_get_cputype(); - if (cpuid != ALCHEMY_CPU_UNKNOWN) { - save_core_regs(); - if (cpuid <= ALCHEMY_CPU_AU1500) - alchemy_sleep_au1000(); - else if (cpuid <= ALCHEMY_CPU_AU1200) - alchemy_sleep_au1550(); - restore_core_regs(); + save_core_regs(); + + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1500: + case ALCHEMY_CPU_AU1100: + alchemy_sleep_au1000(); + break; + case ALCHEMY_CPU_AU1550: + case ALCHEMY_CPU_AU1200: + alchemy_sleep_au1550(); + break; } + + restore_core_regs(); } #endif /* CONFIG_PM */ diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c index 596ad00..463d2c4 100644 --- a/arch/mips/alchemy/devboards/bcsr.c +++ b/arch/mips/alchemy/devboards/bcsr.c @@ -89,8 +89,12 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d) { unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT); + disable_irq_nosync(irq); + for ( ; bisr; bisr &= bisr - 1) generic_handle_irq(bcsr_csc_base + __ffs(bisr)); + + enable_irq(irq); } /* NOTE: both the enable and mask bits must be cleared, otherwise the diff --git a/arch/mips/alchemy/devboards/db1200/setup.c b/arch/mips/alchemy/devboards/db1200/setup.c index 1dac4f2..4a89800 100644 --- a/arch/mips/alchemy/devboards/db1200/setup.c +++ b/arch/mips/alchemy/devboards/db1200/setup.c @@ -23,13 +23,6 @@ void __init board_setup(void) unsigned long freq0, clksrc, div, pfc; unsigned short whoami; - /* Set Config[OD] (disable overlapping bus transaction): - * This gets rid of a _lot_ of spurious interrupts (especially - * wrt. IDE); but incurs ~10% performance hit in some - * cpu-bound applications. - */ - set_c0_config(1 << 19); - bcsr_init(DB1200_BCSR_PHYS_ADDR, DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS); diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c index 03db3da..88c4bab 100644 --- a/arch/mips/ar7/irq.c +++ b/arch/mips/ar7/irq.c @@ -98,7 +98,8 @@ static struct irq_chip ar7_sec_irq_type = { static struct irqaction ar7_cascade_action = { .handler = no_action, - .name = "AR7 cascade interrupt" + .name = "AR7 cascade interrupt", + .flags = IRQF_NO_THREAD, }; static void __init ar7_irq_init(int base) diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index cea6021c..162e11b 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -222,6 +222,7 @@ static struct irq_chip bcm63xx_external_irq_chip = { static struct irqaction cpu_ip2_cascade_action = { .handler = no_action, .name = "cascade_ip2", + .flags = IRQF_NO_THREAD, }; void __init arch_init_irq(void) diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c index cb9bf82..965c777 100644 --- a/arch/mips/cobalt/irq.c +++ b/arch/mips/cobalt/irq.c @@ -48,6 +48,7 @@ asmlinkage void plat_irq_dispatch(void) static struct irqaction cascade = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; void __init arch_init_irq(void) diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c index fa45e92..f7b7ba6 100644 --- a/arch/mips/dec/setup.c +++ b/arch/mips/dec/setup.c @@ -101,20 +101,24 @@ int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_CPU_INR_FPU); static struct irqaction ioirq = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; static struct irqaction fpuirq = { .handler = no_action, .name = "fpu", + .flags = IRQF_NO_THREAD, }; static struct irqaction busirq = { .flags = IRQF_DISABLED, .name = "bus error", + .flags = IRQF_NO_THREAD, }; static struct irqaction haltirq = { .handler = dec_intr_halt, .name = "halt", + .flags = IRQF_NO_THREAD, }; diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c index 3dbd7a5..7798887 100644 --- a/arch/mips/emma/markeins/irq.c +++ b/arch/mips/emma/markeins/irq.c @@ -169,7 +169,7 @@ void emma2rh_gpio_irq_init(void) static struct irqaction irq_cascade = { .handler = no_action, - .flags = 0, + .flags = IRQF_NO_THREAD, .name = "cascade", .dev_id = NULL, .next = NULL, diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h index 0d5a42b..a58addb 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h @@ -54,7 +54,6 @@ #define cpu_has_mips_r2_exec_hazard 0 #define cpu_has_dsp 0 #define cpu_has_mipsmt 0 -#define cpu_has_userlocal 0 #define cpu_has_vint 0 #define cpu_has_veic 0 #define cpu_hwrena_impl_bits 0xc0000000 diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h index 62c0940..3537164 100644 --- a/arch/mips/include/asm/mach-powertv/dma-coherence.h +++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h @@ -13,7 +13,6 @@ #define __ASM_MACH_POWERTV_DMA_COHERENCE_H #include <linux/sched.h> -#include <linux/version.h> #include <linux/device.h> #include <asm/mach-powertv/asic.h> diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index b4ba244..cb41af5 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -195,9 +195,9 @@ * to cover the pipeline delay. */ .set mips32 - mfc0 v1, CP0_TCSTATUS + mfc0 k0, CP0_TCSTATUS .set mips0 - LONG_S v1, PT_TCSTATUS(sp) + LONG_S k0, PT_TCSTATUS(sp) #endif /* CONFIG_MIPS_MT_SMTC */ LONG_S $4, PT_R4(sp) LONG_S $5, PT_R5(sp) diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c index 73031f7..4397972 100644 --- a/arch/mips/jz4740/gpio.c +++ b/arch/mips/jz4740/gpio.c @@ -18,7 +18,7 @@ #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/delay.h> @@ -86,7 +86,6 @@ struct jz_gpio_chip { spinlock_t lock; struct gpio_chip gpio_chip; - struct sys_device sysdev; }; static struct jz_gpio_chip jz4740_gpio_chips[]; @@ -459,49 +458,47 @@ static struct jz_gpio_chip jz4740_gpio_chips[] = { JZ4740_GPIO_CHIP(D), }; -static inline struct jz_gpio_chip *sysdev_to_chip(struct sys_device *dev) +static void jz4740_gpio_suspend_chip(struct jz_gpio_chip *chip) { - return container_of(dev, struct jz_gpio_chip, sysdev); + chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK); + writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET); + writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR); } -static int jz4740_gpio_suspend(struct sys_device *dev, pm_message_t state) +static int jz4740_gpio_suspend(void) { - struct jz_gpio_chip *chip = sysdev_to_chip(dev); + int i; - chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK); - writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET); - writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR); + for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); i++) + jz4740_gpio_suspend_chip(&jz4740_gpio_chips[i]); return 0; } -static int jz4740_gpio_resume(struct sys_device *dev) +static void jz4740_gpio_resume_chip(struct jz_gpio_chip *chip) { - struct jz_gpio_chip *chip = sysdev_to_chip(dev); uint32_t mask = chip->suspend_mask; writel(~mask, chip->base + JZ_REG_GPIO_MASK_CLEAR); writel(mask, chip->base + JZ_REG_GPIO_MASK_SET); +} - return 0; +static void jz4740_gpio_resume(void) +{ + int i; + + for (i = ARRAY_SIZE(jz4740_gpio_chips) - 1; i >= 0 ; i--) + jz4740_gpio_resume_chip(&jz4740_gpio_chips[i]); } -static struct sysdev_class jz4740_gpio_sysdev_class = { - .name = "gpio", +static struct syscore_ops jz4740_gpio_syscore_ops = { .suspend = jz4740_gpio_suspend, .resume = jz4740_gpio_resume, }; -static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id) +static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id) { - int ret, irq; - - chip->sysdev.id = id; - chip->sysdev.cls = &jz4740_gpio_sysdev_class; - ret = sysdev_register(&chip->sysdev); - - if (ret) - return ret; + int irq; spin_lock_init(&chip->lock); @@ -519,22 +516,17 @@ static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id) irq_set_chip_and_handler(irq, &jz_gpio_irq_chip, handle_level_irq); } - - return 0; } static int __init jz4740_gpio_init(void) { unsigned int i; - int ret; - - ret = sysdev_class_register(&jz4740_gpio_sysdev_class); - if (ret) - return ret; for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i) jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i); + register_syscore_ops(&jz4740_gpio_syscore_ops); + printk(KERN_INFO "JZ4740 GPIO initialized\n"); return 0; diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index feb8021..6a2d758 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -19,6 +19,26 @@ #include <asm-generic/sections.h> +#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT) +#define MCOUNT_OFFSET_INSNS 5 +#else +#define MCOUNT_OFFSET_INSNS 4 +#endif + +/* + * Check if the address is in kernel space + * + * Clone core_kernel_text() from kernel/extable.c, but doesn't call + * init_kernel_text() for Ftrace doesn't trace functions in init sections. + */ +static inline int in_kernel_space(unsigned long ip) +{ + if (ip >= (unsigned long)_stext && + ip <= (unsigned long)_etext) + return 1; + return 0; +} + #ifdef CONFIG_DYNAMIC_FTRACE #define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ @@ -54,20 +74,6 @@ static inline void ftrace_dyn_arch_init_insns(void) #endif } -/* - * Check if the address is in kernel space - * - * Clone core_kernel_text() from kernel/extable.c, but doesn't call - * init_kernel_text() for Ftrace doesn't trace functions in init sections. - */ -static inline int in_kernel_space(unsigned long ip) -{ - if (ip >= (unsigned long)_stext && - ip <= (unsigned long)_etext) - return 1; - return 0; -} - static int ftrace_modify_code(unsigned long ip, unsigned int new_code) { int faulted; @@ -112,11 +118,6 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code) * 1: offset = 4 instructions */ -#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT) -#define MCOUNT_OFFSET_INSNS 5 -#else -#define MCOUNT_OFFSET_INSNS 4 -#endif #define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS) int ftrace_make_nop(struct module *mod, diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c index 5c74eb7..32b397b 100644 --- a/arch/mips/kernel/i8259.c +++ b/arch/mips/kernel/i8259.c @@ -229,7 +229,7 @@ static void i8259A_shutdown(void) */ if (i8259A_auto_eoi >= 0) { outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */ - outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */ + outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */ } } @@ -295,6 +295,7 @@ static void init_8259A(int auto_eoi) static struct irqaction irq2 = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; static struct resource pic1_io_resource = { diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 876a75c..922a554 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -349,3 +349,10 @@ SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags, return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4), dfd, pathname); } + +SYSCALL_DEFINE6(32_futex, u32 __user *, uaddr, int, op, u32, val, + struct compat_timespec __user *, utime, u32 __user *, uaddr2, + u32, val3) +{ + return compat_sys_futex(uaddr, op, val, utime, uaddr2, val3); +} diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index e521420..865bc7a 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -424,7 +424,7 @@ einval: li v0, -ENOSYS sys sys_getresuid 3 sys sys_ni_syscall 0 /* was sys_query_module */ sys sys_poll 3 - sys sys_nfsservctl 3 + sys sys_ni_syscall 0 /* was nfsservctl */ sys sys_setresgid 3 /* 4190 */ sys sys_getresgid 3 sys sys_prctl 5 diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 85874d6..fb7334b 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -299,7 +299,7 @@ sys_call_table: PTR sys_ni_syscall /* 5170, was get_kernel_syms */ PTR sys_ni_syscall /* was query_module */ PTR sys_quotactl - PTR sys_nfsservctl + PTR sys_ni_syscall /* was nfsservctl */ PTR sys_ni_syscall /* res. for getpmsg */ PTR sys_ni_syscall /* 5175 for putpmsg */ PTR sys_ni_syscall /* res. for afs_syscall */ diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index b85842f..6de1f59 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -294,7 +294,7 @@ EXPORT(sysn32_call_table) PTR sys_ni_syscall /* 6170, was get_kernel_syms */ PTR sys_ni_syscall /* was query_module */ PTR sys_quotactl - PTR compat_sys_nfsservctl + PTR sys_ni_syscall /* was nfsservctl */ PTR sys_ni_syscall /* res. for getpmsg */ PTR sys_ni_syscall /* 6175 for putpmsg */ PTR sys_ni_syscall /* res. for afs_syscall */ @@ -315,7 +315,7 @@ EXPORT(sysn32_call_table) PTR sys_fremovexattr PTR sys_tkill PTR sys_ni_syscall - PTR compat_sys_futex + PTR sys_32_futex PTR compat_sys_sched_setaffinity /* 6195 */ PTR compat_sys_sched_getaffinity PTR sys_cacheflush diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 46c4763..1d81316 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -392,7 +392,7 @@ sys_call_table: PTR sys_getresuid PTR sys_ni_syscall /* was query_module */ PTR sys_poll - PTR compat_sys_nfsservctl + PTR sys_ni_syscall /* was nfsservctl */ PTR sys_setresgid /* 4190 */ PTR sys_getresgid PTR sys_prctl @@ -441,7 +441,7 @@ sys_call_table: PTR sys_fremovexattr /* 4235 */ PTR sys_tkill PTR sys_sendfile64 - PTR compat_sys_futex + PTR sys_32_futex PTR compat_sys_sched_setaffinity PTR compat_sys_sched_getaffinity /* 4240 */ PTR compat_sys_io_setup diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index dbbe0ce..f852400 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -8,6 +8,7 @@ * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ #include <linux/cache.h> +#include <linux/irqflags.h> #include <linux/sched.h> #include <linux/mm.h> #include <linux/personality.h> @@ -658,6 +659,8 @@ static void do_signal(struct pt_regs *regs) asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags) { + local_irq_enable(); + /* deal with pending signal delivery */ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) do_signal(regs); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index b7517e3..cbea618 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -14,6 +14,7 @@ #include <linux/bug.h> #include <linux/compiler.h> #include <linux/init.h> +#include <linux/kernel.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/sched.h> @@ -364,21 +365,26 @@ static int regs_to_trapnr(struct pt_regs *regs) return (regs->cp0_cause >> 2) & 0x1f; } -static DEFINE_SPINLOCK(die_lock); +static DEFINE_RAW_SPINLOCK(die_lock); void __noreturn die(const char *str, struct pt_regs *regs) { static int die_counter; int sig = SIGSEGV; #ifdef CONFIG_MIPS_MT_SMTC - unsigned long dvpret = dvpe(); + unsigned long dvpret; #endif /* CONFIG_MIPS_MT_SMTC */ + oops_enter(); + if (notify_die(DIE_OOPS, str, regs, 0, regs_to_trapnr(regs), SIGSEGV) == NOTIFY_STOP) sig = 0; console_verbose(); - spin_lock_irq(&die_lock); + raw_spin_lock_irq(&die_lock); +#ifdef CONFIG_MIPS_MT_SMTC + dvpret = dvpe(); +#endif /* CONFIG_MIPS_MT_SMTC */ bust_spinlocks(1); #ifdef CONFIG_MIPS_MT_SMTC mips_mt_regdump(dvpret); @@ -387,7 +393,9 @@ void __noreturn die(const char *str, struct pt_regs *regs) printk("%s[#%d]:\n", str, ++die_counter); show_registers(regs); add_taint(TAINT_DIE); - spin_unlock_irq(&die_lock); + raw_spin_unlock_irq(&die_lock); + + oops_exit(); if (in_interrupt()) panic("Fatal exception in interrupt"); diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 2cd50ad..3efcb06 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -192,7 +192,7 @@ static struct tc *get_tc(int index) } spin_unlock(&vpecontrol.tc_list_lock); - return NULL; + return res; } /* allocate a vpe and associate it with this minor (or index) */ diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index fc89795..f9737bb 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -123,11 +123,10 @@ void ltq_enable_irq(struct irq_data *d) static unsigned int ltq_startup_eiu_irq(struct irq_data *d) { int i; - int irq_nr = d->irq - INT_NUM_IRQ0; ltq_enable_irq(d); for (i = 0; i < MAX_EIU; i++) { - if (irq_nr == ltq_eiu_irq[i]) { + if (d->irq == ltq_eiu_irq[i]) { /* low level - we should really handle set_type */ ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_C) | (0x6 << (i * 4)), LTQ_EIU_EXIN_C); @@ -147,11 +146,10 @@ static unsigned int ltq_startup_eiu_irq(struct irq_data *d) static void ltq_shutdown_eiu_irq(struct irq_data *d) { int i; - int irq_nr = d->irq - INT_NUM_IRQ0; ltq_disable_irq(d); for (i = 0; i < MAX_EIU; i++) { - if (irq_nr == ltq_eiu_irq[i]) { + if (d->irq == ltq_eiu_irq[i]) { /* disable */ ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~(1 << i), LTQ_EIU_EXIN_INEN); diff --git a/arch/mips/lantiq/xway/ebu.c b/arch/mips/lantiq/xway/ebu.c index 66eb52f..033b318 100644 --- a/arch/mips/lantiq/xway/ebu.c +++ b/arch/mips/lantiq/xway/ebu.c @@ -10,7 +10,6 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/version.h> #include <linux/ioport.h> #include <lantiq_soc.h> diff --git a/arch/mips/lantiq/xway/pmu.c b/arch/mips/lantiq/xway/pmu.c index 9d69f01e..39f0d26 100644 --- a/arch/mips/lantiq/xway/pmu.c +++ b/arch/mips/lantiq/xway/pmu.c @@ -8,7 +8,6 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/version.h> #include <linux/ioport.h> #include <lantiq_soc.h> diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c index de4c165..d608b6e 100644 --- a/arch/mips/lasat/interrupt.c +++ b/arch/mips/lasat/interrupt.c @@ -105,6 +105,7 @@ asmlinkage void plat_irq_dispatch(void) static struct irqaction cascade = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; void __init arch_init_irq(void) diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c index d61a042..3cf1fef 100644 --- a/arch/mips/loongson/fuloong-2e/irq.c +++ b/arch/mips/loongson/fuloong-2e/irq.c @@ -42,6 +42,7 @@ asmlinkage void mach_irq_dispatch(unsigned int pending) static struct irqaction cascade_irqaction = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; void __init mach_init_irq(void) diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c index 081db10..14b0818 100644 --- a/arch/mips/loongson/lemote-2f/irq.c +++ b/arch/mips/loongson/lemote-2f/irq.c @@ -96,12 +96,13 @@ static irqreturn_t ip6_action(int cpl, void *dev_id) struct irqaction ip6_irqaction = { .handler = ip6_action, .name = "cascade", - .flags = IRQF_SHARED, + .flags = IRQF_SHARED | IRQF_NO_THREAD, }; struct irqaction cascade_irqaction = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; void __init mach_init_irq(void) diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index 9ff5d0f..302d779 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -6,6 +6,7 @@ * Copyright (C) 2011 Wind River Systems, * written by Ralf Baechle <ralf@linux-mips.org> */ +#include <linux/compiler.h> #include <linux/errno.h> #include <linux/mm.h> #include <linux/mman.h> @@ -15,12 +16,11 @@ #include <linux/sched.h> unsigned long shm_align_mask = PAGE_SIZE - 1; /* Sane caches */ - EXPORT_SYMBOL(shm_align_mask); /* gap between mmap and stack */ #define MIN_GAP (128*1024*1024UL) -#define MAX_GAP ((TASK_SIZE)/6*5) +#define MAX_GAP ((TASK_SIZE)/6*5) static int mmap_is_legacy(void) { @@ -57,13 +57,13 @@ static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr, return base - off; } -#define COLOUR_ALIGN(addr,pgoff) \ +#define COLOUR_ALIGN(addr, pgoff) \ ((((addr) + shm_align_mask) & ~shm_align_mask) + \ (((pgoff) << PAGE_SHIFT) & shm_align_mask)) enum mmap_allocation_direction {UP, DOWN}; -static unsigned long arch_get_unmapped_area_foo(struct file *filp, +static unsigned long arch_get_unmapped_area_common(struct file *filp, unsigned long addr0, unsigned long len, unsigned long pgoff, unsigned long flags, enum mmap_allocation_direction dir) { @@ -103,16 +103,16 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vma->vm_start)) return addr; } if (dir == UP) { addr = mm->mmap_base; - if (do_color_align) - addr = COLOUR_ALIGN(addr, pgoff); - else - addr = PAGE_ALIGN(addr); + if (do_color_align) + addr = COLOUR_ALIGN(addr, pgoff); + else + addr = PAGE_ALIGN(addr); for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) { /* At this point: (!vma || addr < vma->vm_end). */ @@ -131,28 +131,30 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp, mm->free_area_cache = mm->mmap_base; } - /* either no address requested or can't fit in requested address hole */ + /* + * either no address requested, or the mapping can't fit into + * the requested address hole + */ addr = mm->free_area_cache; - if (do_color_align) { - unsigned long base = - COLOUR_ALIGN_DOWN(addr - len, pgoff); - + if (do_color_align) { + unsigned long base = + COLOUR_ALIGN_DOWN(addr - len, pgoff); addr = base + len; - } + } /* make sure it can fit in the remaining address space */ if (likely(addr > len)) { vma = find_vma(mm, addr - len); if (!vma || addr <= vma->vm_start) { - /* remember the address as a hint for next time */ - return mm->free_area_cache = addr-len; + /* cache the address as a hint for next time */ + return mm->free_area_cache = addr - len; } } if (unlikely(mm->mmap_base < len)) goto bottomup; - addr = mm->mmap_base-len; + addr = mm->mmap_base - len; if (do_color_align) addr = COLOUR_ALIGN_DOWN(addr, pgoff); @@ -163,8 +165,8 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp, * return with success: */ vma = find_vma(mm, addr); - if (likely(!vma || addr+len <= vma->vm_start)) { - /* remember the address as a hint for next time */ + if (likely(!vma || addr + len <= vma->vm_start)) { + /* cache the address as a hint for next time */ return mm->free_area_cache = addr; } @@ -173,7 +175,7 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp, mm->cached_hole_size = vma->vm_start - addr; /* try just below the current vma->vm_start */ - addr = vma->vm_start-len; + addr = vma->vm_start - len; if (do_color_align) addr = COLOUR_ALIGN_DOWN(addr, pgoff); } while (likely(len < vma->vm_start)); @@ -201,7 +203,7 @@ bottomup: unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr0, unsigned long len, unsigned long pgoff, unsigned long flags) { - return arch_get_unmapped_area_foo(filp, + return arch_get_unmapped_area_common(filp, addr0, len, pgoff, flags, UP); } @@ -213,7 +215,7 @@ unsigned long arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr0, unsigned long len, unsigned long pgoff, unsigned long flags) { - return arch_get_unmapped_area_foo(filp, + return arch_get_unmapped_area_common(filp, addr0, len, pgoff, flags, DOWN); } diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index b6e1cff..e06370f 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -1759,14 +1759,13 @@ static void __cpuinit build_r3000_tlb_modify_handler(void) u32 *p = handle_tlbm; struct uasm_label *l = labels; struct uasm_reloc *r = relocs; - struct work_registers wr; memset(handle_tlbm, 0, sizeof(handle_tlbm)); memset(labels, 0, sizeof(labels)); memset(relocs, 0, sizeof(relocs)); build_r3000_tlbchange_handler_head(&p, K0, K1); - build_pte_modifiable(&p, &r, wr.r1, wr.r2, wr.r3, label_nopage_tlbm); + build_pte_modifiable(&p, &r, K0, K1, -1, label_nopage_tlbm); uasm_i_nop(&p); /* load delay */ build_make_write(&p, &r, K0, K1); build_r3000_pte_reload_tlbwi(&p, K0, K1); @@ -1963,7 +1962,8 @@ static void __cpuinit build_r4000_tlb_load_handler(void) uasm_i_andi(&p, wr.r3, wr.r3, 2); uasm_il_beqz(&p, &r, wr.r3, label_tlbl_goaround2); } - + if (PM_DEFAULT_MASK == 0) + uasm_i_nop(&p); /* * We clobbered C0_PAGEMASK, restore it. On the other branch * it is restored in build_huge_tlb_write_entry. diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index 1d36c511..d53ff91 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -350,12 +350,14 @@ unsigned int plat_ipi_resched_int_xlate(unsigned int cpu) static struct irqaction i8259irq = { .handler = no_action, - .name = "XT-PIC cascade" + .name = "XT-PIC cascade", + .flags = IRQF_NO_THREAD, }; static struct irqaction corehi_irqaction = { .handler = no_action, - .name = "CoreHi" + .name = "CoreHi", + .flags = IRQF_NO_THREAD, }; static msc_irqmap_t __initdata msc_irqmap[] = { diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile index 9bd3f73..2dca585 100644 --- a/arch/mips/netlogic/xlr/Makefile +++ b/arch/mips/netlogic/xlr/Makefile @@ -2,4 +2,4 @@ obj-y += setup.o platform.o irq.o setup.o time.o obj-$(CONFIG_SMP) += smp.o smpboot.o obj-$(CONFIG_EARLY_PRINTK) += xlr_console.o -EXTRA_CFLAGS += -Werror +ccflags-y += -Werror diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 603d749..8656388 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -171,8 +171,13 @@ static int __devinit ltq_pci_startup(struct ltq_pci_data *conf) u32 temp_buffer; /* set clock to 33Mhz */ - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR); - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR); + if (ltq_is_ar9()) { + ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0x1f00000, LTQ_CGU_IFCCR); + ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0xe00000, LTQ_CGU_IFCCR); + } else { + ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR); + ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR); + } /* external or internal clock ? */ if (conf->clock) { diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c index 764362c..5f3a69c 100644 --- a/arch/mips/pci/pci-rc32434.c +++ b/arch/mips/pci/pci-rc32434.c @@ -215,7 +215,7 @@ static int __init rc32434_pci_init(void) rc32434_pcibridge_init(); io_map_base = ioremap(rc32434_res_pci_io1.start, - resource_size(&rcrc32434_res_pci_io1)); + resource_size(&rc32434_res_pci_io1)); if (!io_map_base) return -ENOMEM; diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c index 4531c4a..d3c3d81 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_irq.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_irq.c @@ -108,12 +108,14 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs) static struct irqaction cic_cascade_msp = { .handler = no_action, - .name = "MSP CIC cascade" + .name = "MSP CIC cascade", + .flags = IRQF_NO_THREAD, }; static struct irqaction per_cascade_msp = { .handler = no_action, - .name = "MSP PER cascade" + .name = "MSP PER cascade", + .flags = IRQF_NO_THREAD, }; void __init arch_init_irq(void) diff --git a/arch/mips/pnx8550/common/int.c b/arch/mips/pnx8550/common/int.c index 6b93c81..1ebe22b 100644 --- a/arch/mips/pnx8550/common/int.c +++ b/arch/mips/pnx8550/common/int.c @@ -167,7 +167,7 @@ static struct irq_chip level_irq_type = { static struct irqaction gic_action = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_NO_THREAD, .name = "GIC", }; diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c index b4d08e4..f72c336 100644 --- a/arch/mips/sgi-ip22/ip22-int.c +++ b/arch/mips/sgi-ip22/ip22-int.c @@ -155,32 +155,32 @@ static void __irq_entry indy_buserror_irq(void) static struct irqaction local0_cascade = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_NO_THREAD, .name = "local0 cascade", }; static struct irqaction local1_cascade = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_NO_THREAD, .name = "local1 cascade", }; static struct irqaction buserr = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_NO_THREAD, .name = "Bus Error", }; static struct irqaction map0_cascade = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_NO_THREAD, .name = "mapable0 cascade", }; #ifdef USE_LIO3_IRQ static struct irqaction map1_cascade = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_NO_THREAD, .name = "mapable1 cascade", }; #define SGI_INTERRUPTS SGINT_END diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c index a7e5a6d..3ab5b5d 100644 --- a/arch/mips/sni/rm200.c +++ b/arch/mips/sni/rm200.c @@ -359,6 +359,7 @@ void sni_rm200_init_8259A(void) static struct irqaction sni_rm200_irq2 = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; static struct resource sni_rm200_pic1_resource = { diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c index 70a3b85..fad2bef 100644 --- a/arch/mips/vr41xx/common/irq.c +++ b/arch/mips/vr41xx/common/irq.c @@ -34,6 +34,7 @@ static irq_cascade_t irq_cascade[NR_IRQS] __cacheline_aligned; static struct irqaction cascade_irqaction = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int)) diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S index ae435e1..3e3620d 100644 --- a/arch/mn10300/kernel/entry.S +++ b/arch/mn10300/kernel/entry.S @@ -589,7 +589,7 @@ ENTRY(sys_call_table) .long sys_ni_syscall /* vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* was nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/openrisc/include/asm/dma-mapping.h b/arch/openrisc/include/asm/dma-mapping.h index 052f877..60b4722 100644 --- a/arch/openrisc/include/asm/dma-mapping.h +++ b/arch/openrisc/include/asm/dma-mapping.h @@ -31,7 +31,6 @@ #define DMA_ERROR_CODE (~(dma_addr_t)0x0) -int dma_mapping_error(struct device *dev, dma_addr_t dma_addr); #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) @@ -47,6 +46,12 @@ dma_addr_t or1k_map_page(struct device *dev, struct page *page, void or1k_unmap_page(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir, struct dma_attrs *attrs); +int or1k_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, + struct dma_attrs *attrs); +void or1k_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, + struct dma_attrs *attrs); void or1k_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir); @@ -98,6 +103,51 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t addr, debug_dma_unmap_page(dev, addr, size, dir, true); } +static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir) +{ + int i, ents; + struct scatterlist *s; + + for_each_sg(sg, s, nents, i) + kmemcheck_mark_initialized(sg_virt(s), s->length); + BUG_ON(!valid_dma_direction(dir)); + ents = or1k_map_sg(dev, sg, nents, dir, NULL); + debug_dma_map_sg(dev, sg, nents, ents, dir); + + return ents; +} + +static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir) +{ + BUG_ON(!valid_dma_direction(dir)); + debug_dma_unmap_sg(dev, sg, nents, dir); + or1k_unmap_sg(dev, sg, nents, dir, NULL); +} + +static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, + size_t offset, size_t size, + enum dma_data_direction dir) +{ + dma_addr_t addr; + + kmemcheck_mark_initialized(page_address(page) + offset, size); + BUG_ON(!valid_dma_direction(dir)); + addr = or1k_map_page(dev, page, offset, size, dir, NULL); + debug_dma_map_page(dev, page, offset, size, dir, addr, false); + + return addr; +} + +static inline void dma_unmap_page(struct device *dev, dma_addr_t addr, + size_t size, enum dma_data_direction dir) +{ + BUG_ON(!valid_dma_direction(dir)); + or1k_unmap_page(dev, addr, size, dir, NULL); + debug_dma_unmap_page(dev, addr, size, dir, true); +} + static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t addr, size_t size, enum dma_data_direction dir) @@ -119,7 +169,12 @@ static inline void dma_sync_single_for_device(struct device *dev, static inline int dma_supported(struct device *dev, u64 dma_mask) { /* Support 32 bit DMA mask exclusively */ - return dma_mask == 0xffffffffULL; + return dma_mask == DMA_BIT_MASK(32); +} + +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return 0; } static inline int dma_set_mask(struct device *dev, u64 dma_mask) diff --git a/arch/openrisc/include/asm/sigcontext.h b/arch/openrisc/include/asm/sigcontext.h index 54a5c50..b79c2b1 100644 --- a/arch/openrisc/include/asm/sigcontext.h +++ b/arch/openrisc/include/asm/sigcontext.h @@ -23,16 +23,11 @@ /* This struct is saved by setup_frame in signal.c, to keep the current context while a signal handler is executed. It's restored by sys_sigreturn. - - To keep things simple, we use pt_regs here even though normally you just - specify the list of regs to save. Then we can use copy_from_user on the - entire regs instead of a bunch of get_user's as well... */ struct sigcontext { - struct pt_regs regs; /* needs to be first */ + struct user_regs_struct regs; /* needs to be first */ unsigned long oldmask; - unsigned long usp; /* usp before stacking this gunk on it */ }; #endif /* __ASM_OPENRISC_SIGCONTEXT_H */ diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c index 968d3ee..f1c8ee2 100644 --- a/arch/openrisc/kernel/dma.c +++ b/arch/openrisc/kernel/dma.c @@ -154,6 +154,33 @@ void or1k_unmap_page(struct device *dev, dma_addr_t dma_handle, /* Nothing special to do here... */ } +int or1k_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, + struct dma_attrs *attrs) +{ + struct scatterlist *s; + int i; + + for_each_sg(sg, s, nents, i) { + s->dma_address = or1k_map_page(dev, sg_page(s), s->offset, + s->length, dir, NULL); + } + + return nents; +} + +void or1k_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, + struct dma_attrs *attrs) +{ + struct scatterlist *s; + int i; + + for_each_sg(sg, s, nents, i) { + or1k_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir, NULL); + } +} + void or1k_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir) @@ -187,5 +214,4 @@ static int __init dma_init(void) return 0; } - fs_initcall(dma_init); diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c index 5f759c7..95207ab 100644 --- a/arch/openrisc/kernel/signal.c +++ b/arch/openrisc/kernel/signal.c @@ -52,31 +52,25 @@ struct rt_sigframe { static int restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc) { unsigned int err = 0; - unsigned long old_usp; /* Alwys make any pending restarted system call return -EINTR */ current_thread_info()->restart_block.fn = do_no_restart_syscall; - /* restore the regs from &sc->regs (same as sc, since regs is first) + /* + * Restore the regs from &sc->regs. * (sc is already checked for VERIFY_READ since the sigframe was * checked in sys_sigreturn previously) */ - - if (__copy_from_user(regs, sc, sizeof(struct pt_regs))) + if (__copy_from_user(regs, sc->regs.gpr, 32 * sizeof(unsigned long))) + goto badframe; + if (__copy_from_user(®s->pc, &sc->regs.pc, sizeof(unsigned long))) + goto badframe; + if (__copy_from_user(®s->sr, &sc->regs.sr, sizeof(unsigned long))) goto badframe; /* make sure the SM-bit is cleared so user-mode cannot fool us */ regs->sr &= ~SPR_SR_SM; - /* restore the old USP as it was before we stacked the sc etc. - * (we cannot just pop the sigcontext since we aligned the sp and - * stuff after pushing it) - */ - - err |= __get_user(old_usp, &sc->usp); - - regs->sp = old_usp; - /* TODO: the other ports use regs->orig_XX to disable syscall checks * after this completes, but we don't use that mechanism. maybe we can * use it now ? @@ -137,18 +131,17 @@ static int setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, unsigned long mask) { int err = 0; - unsigned long usp = regs->sp; - /* copy the regs. they are first in sc so we can use sc directly */ + /* copy the regs */ - err |= __copy_to_user(sc, regs, sizeof(struct pt_regs)); + err |= __copy_to_user(sc->regs.gpr, regs, 32 * sizeof(unsigned long)); + err |= __copy_to_user(&sc->regs.pc, ®s->pc, sizeof(unsigned long)); + err |= __copy_to_user(&sc->regs.sr, ®s->sr, sizeof(unsigned long)); /* then some other stuff */ err |= __put_user(mask, &sc->oldmask); - err |= __put_user(usp, &sc->usp); - return err; } diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index e66366f..3735abd 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -259,7 +259,7 @@ ENTRY_SAME(ni_syscall) /* query_module */ ENTRY_SAME(poll) /* structs contain pointers and an in_addr... */ - ENTRY_COMP(nfsservctl) + ENTRY_SAME(ni_syscall) /* was nfsservctl */ ENTRY_SAME(setresgid) /* 170 */ ENTRY_SAME(getresgid) ENTRY_SAME(prctl) diff --git a/arch/powerpc/boot/dts/p1023rds.dts b/arch/powerpc/boot/dts/p1023rds.dts index bfa96aa..d9b7767 100644 --- a/arch/powerpc/boot/dts/p1023rds.dts +++ b/arch/powerpc/boot/dts/p1023rds.dts @@ -387,7 +387,7 @@ #size-cells = <1>; compatible = "cfi-flash"; reg = <0x0 0x0 0x02000000>; - bank-width = <1>; + bank-width = <2>; device-width = <1>; partition@0 { label = "ramdisk"; diff --git a/arch/powerpc/configs/85xx/p1023rds_defconfig b/arch/powerpc/configs/85xx/p1023rds_defconfig index 980ff8f..3ff5a81 100644 --- a/arch/powerpc/configs/85xx/p1023rds_defconfig +++ b/arch/powerpc/configs/85xx/p1023rds_defconfig @@ -171,3 +171,4 @@ CONFIG_CRYPTO_SHA256=y CONFIG_CRYPTO_SHA512=y CONFIG_CRYPTO_AES=y # CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRYPTO_DEV_FSL_CAAM=y diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig index 10562a5..4311d02 100644 --- a/arch/powerpc/configs/corenet32_smp_defconfig +++ b/arch/powerpc/configs/corenet32_smp_defconfig @@ -185,3 +185,4 @@ CONFIG_CRYPTO_SHA256=y CONFIG_CRYPTO_SHA512=y CONFIG_CRYPTO_AES=y # CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRYPTO_DEV_FSL_CAAM=y diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig index d322835..c92c204 100644 --- a/arch/powerpc/configs/corenet64_smp_defconfig +++ b/arch/powerpc/configs/corenet64_smp_defconfig @@ -100,5 +100,8 @@ CONFIG_DEBUG_INFO=y CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_VIRQ_DEBUG=y CONFIG_CRYPTO_PCBC=m +CONFIG_CRYPTO_SHA256=y +CONFIG_CRYPTO_SHA512=y +CONFIG_CRYPTO_AES=y # CONFIG_CRYPTO_ANSI_CPRNG is not set -CONFIG_CRYPTO_DEV_TALITOS=y +CONFIG_CRYPTO_DEV_FSL_CAAM=y diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig index fcd85d2..a3467bf 100644 --- a/arch/powerpc/configs/mpc85xx_defconfig +++ b/arch/powerpc/configs/mpc85xx_defconfig @@ -139,6 +139,7 @@ CONFIG_SND=y CONFIG_SND_INTEL8X0=y # CONFIG_SND_PPC is not set # CONFIG_SND_USB is not set +CONFIG_SND_SOC=y CONFIG_HID_A4TECH=y CONFIG_HID_APPLE=y CONFIG_HID_BELKIN=y diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig index 908c941..9693f6e 100644 --- a/arch/powerpc/configs/mpc85xx_smp_defconfig +++ b/arch/powerpc/configs/mpc85xx_smp_defconfig @@ -140,6 +140,7 @@ CONFIG_SND=y CONFIG_SND_INTEL8X0=y # CONFIG_SND_PPC is not set # CONFIG_SND_USB is not set +CONFIG_SND_SOC=y CONFIG_HID_A4TECH=y CONFIG_HID_APPLE=y CONFIG_HID_BELKIN=y diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index f6736b7..fa0d27a 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -171,7 +171,7 @@ SYSCALL_SPU(setresuid) SYSCALL_SPU(getresuid) SYSCALL(ni_syscall) SYSCALL_SPU(poll) -COMPAT_SYS(nfsservctl) +SYSCALL(ni_syscall) SYSCALL_SPU(setresgid) SYSCALL_SPU(getresgid) COMPAT_SYS_SPU(prctl) diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 5cc8385..31a7d3a 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -561,6 +561,20 @@ static struct pci_ops u4_pcie_pci_ops = .write = u4_pcie_write_config, }; +static void __devinit pmac_pci_fixup_u4_of_node(struct pci_dev *dev) +{ + /* Apple's device-tree "hides" the root complex virtual P2P bridge + * on U4. However, Linux sees it, causing the PCI <-> OF matching + * code to fail to properly match devices below it. This works around + * it by setting the node of the bridge to point to the PHB node, + * which is not entirely correct but fixes the matching code and + * doesn't break anything else. It's also the simplest possible fix. + */ + if (dev->dev.of_node == NULL) + dev->dev.of_node = pcibios_get_phb_of_node(dev->bus); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, 0x5b, pmac_pci_fixup_u4_of_node); + #endif /* CONFIG_PPC64 */ #ifdef CONFIG_PPC32 diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 2de8551..c65f75a 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -54,6 +54,7 @@ #define ODSR_CLEAR 0x1c00 #define LTLEECSR_ENABLE_ALL 0xFFC000FC #define ESCSR_CLEAR 0x07120204 +#define IECSR_CLEAR 0x80000000 #define RIO_PORT1_EDCSR 0x0640 #define RIO_PORT2_EDCSR 0x0680 @@ -1089,11 +1090,11 @@ static void port_error_handler(struct rio_mport *port, int offset) if (offset == 0) { out_be32((u32 *)(rio_regs_win + RIO_PORT1_EDCSR), 0); - out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), 0); + out_be32((u32 *)(rio_regs_win + RIO_PORT1_IECSR), IECSR_CLEAR); out_be32((u32 *)(rio_regs_win + RIO_ESCSR), ESCSR_CLEAR); } else { out_be32((u32 *)(rio_regs_win + RIO_PORT2_EDCSR), 0); - out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), 0); + out_be32((u32 *)(rio_regs_win + RIO_PORT2_IECSR), IECSR_CLEAR); out_be32((u32 *)(rio_regs_win + RIO_PORT2_ESCSR), ESCSR_CLEAR); } } diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index 64b61bf..547f1a6 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -188,7 +188,8 @@ extern char elf_platform[]; #define SET_PERSONALITY(ex) \ do { \ if (personality(current->personality) != PER_LINUX32) \ - set_personality(PER_LINUX); \ + set_personality(PER_LINUX | \ + (current->personality & ~PER_MASK)); \ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ set_thread_flag(TIF_31BIT); \ else \ diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 519eb5f..c0cb794 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -658,12 +658,14 @@ static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste) * struct gmap_struct - guest address space * @mm: pointer to the parent mm_struct * @table: pointer to the page directory + * @asce: address space control element for gmap page table * @crst_list: list of all crst tables used in the guest address space */ struct gmap { struct list_head list; struct mm_struct *mm; unsigned long *table; + unsigned long asce; struct list_head crst_list; }; diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 532fd43..2b45591 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -10,6 +10,7 @@ #include <linux/sched.h> #include <asm/vdso.h> #include <asm/sigp.h> +#include <asm/pgtable.h> /* * Make sure that the compiler is new enough. We want a compiler that @@ -126,6 +127,7 @@ int main(void) DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack)); DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack)); DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack)); + DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce)); DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock)); DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock)); DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags)); @@ -151,6 +153,7 @@ int main(void) DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data)); DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap)); DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp)); + DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce)); #endif /* CONFIG_32BIT */ return 0; } diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 08ab9aa..7526db6 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -665,12 +665,6 @@ ENTRY(sys32_poll_wrapper) lgfr %r4,%r4 # long jg sys_poll # branch to system call -ENTRY(compat_sys_nfsservctl_wrapper) - lgfr %r2,%r2 # int - llgtr %r3,%r3 # struct compat_nfsctl_arg* - llgtr %r4,%r4 # union compat_nfsctl_res* - jg compat_sys_nfsservctl # branch to system call - ENTRY(sys32_setresgid16_wrapper) llgfr %r2,%r2 # __kernel_old_gid_emu31_t llgfr %r3,%r3 # __kernel_old_gid_emu31_t diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 068f846..f297456 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -396,17 +396,19 @@ static __init void detect_machine_facilities(void) static __init void rescue_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD + unsigned long min_initrd_addr = (unsigned long) _end + (4UL << 20); /* - * Move the initrd right behind the bss section in case it starts - * within the bss section. So we don't overwrite it when the bss - * section gets cleared. + * Just like in case of IPL from VM reader we make sure there is a + * gap of 4MB between end of kernel and start of initrd. + * That way we can also be sure that saving an NSS will succeed, + * which however only requires different segments. */ if (!INITRD_START || !INITRD_SIZE) return; - if (INITRD_START >= (unsigned long) __bss_stop) + if (INITRD_START >= min_initrd_addr) return; - memmove(__bss_stop, (void *) INITRD_START, INITRD_SIZE); - INITRD_START = (unsigned long) __bss_stop; + memmove((void *) min_initrd_addr, (void *) INITRD_START, INITRD_SIZE); + INITRD_START = min_initrd_addr; #endif } diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 5f729d6..713da07 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -1076,6 +1076,11 @@ sie_loop: lg %r14,__LC_THREAD_INFO # pointer thread_info struct tm __TI_flags+7(%r14),_TIF_EXIT_SIE jnz sie_exit + lg %r14,__LC_GMAP # get gmap pointer + ltgr %r14,%r14 + jz sie_gmap + lctlg %c1,%c1,__GMAP_ASCE(%r14) # load primary asce +sie_gmap: lg %r14,__SF_EMPTY(%r15) # get control block pointer SPP __SF_EMPTY(%r15) # set guest id sie 0(%r14) @@ -1083,6 +1088,7 @@ sie_done: SPP __LC_CMF_HPP # set host id lg %r14,__LC_THREAD_INFO # pointer thread_info struct sie_exit: + lctlg %c1,%c1,__LC_USER_ASCE # load primary asce ni __TI_flags+6(%r14),255-(_TIF_SIE>>8) lg %r14,__SF_EMPTY+8(%r15) # load guest register save area stmg %r0,%r13,0(%r14) # save guest gprs 0-13 diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 04361d5..48c7102 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1220,7 +1220,7 @@ static int __init reipl_fcp_init(void) /* sysfs: create fcp kset for mixing attr group and bin attrs */ reipl_fcp_kset = kset_create_and_add(IPL_FCP_STR, NULL, &reipl_kset->kobj); - if (!reipl_kset) { + if (!reipl_fcp_kset) { free_page((unsigned long) reipl_block_fcp); return -ENOMEM; } @@ -1618,7 +1618,8 @@ static struct shutdown_action vmcmd_action = {SHUTDOWN_ACTION_VMCMD_STR, static void stop_run(struct shutdown_trigger *trigger) { - if (strcmp(trigger->name, ON_PANIC_STR) == 0) + if (strcmp(trigger->name, ON_PANIC_STR) == 0 || + strcmp(trigger->name, ON_RESTART_STR) == 0) disabled_wait((unsigned long) __builtin_return_address(0)); while (sigp(smp_processor_id(), sigp_stop) == sigp_busy) cpu_relax(); @@ -1717,7 +1718,7 @@ static void do_panic(void) /* on restart */ static struct shutdown_trigger on_restart_trigger = {ON_RESTART_STR, - &reipl_action}; + &stop_action}; static ssize_t on_restart_show(struct kobject *kobj, struct kobj_attribute *attr, char *page) diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 6ee39ef..73eb08c 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -177,7 +177,7 @@ SYSCALL(sys_getresuid16,sys_ni_syscall,sys32_getresuid16_wrapper) /* 165 old get NI_SYSCALL /* for vm86 */ NI_SYSCALL /* old sys_query_module */ SYSCALL(sys_poll,sys_poll,sys32_poll_wrapper) -SYSCALL(sys_nfsservctl,sys_nfsservctl,compat_sys_nfsservctl_wrapper) +NI_SYSCALL /* old nfsservctl */ SYSCALL(sys_setresgid16,sys_ni_syscall,sys32_setresgid16_wrapper) /* 170 old setresgid16 syscall */ SYSCALL(sys_getresgid16,sys_ni_syscall,sys32_getresgid16_wrapper) /* old getresgid16 syscall */ SYSCALL(sys_prctl,sys_prctl,sys32_prctl_wrapper) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f17296e..dc2b580 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -123,6 +123,7 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_S390_PSW: + case KVM_CAP_S390_GMAP: r = 1; break; default: @@ -263,10 +264,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) vcpu->arch.guest_fpregs.fpc &= FPC_VALID_MASK; restore_fp_regs(&vcpu->arch.guest_fpregs); restore_access_regs(vcpu->arch.guest_acrs); + gmap_enable(vcpu->arch.gmap); } void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) { + gmap_disable(vcpu->arch.gmap); save_fp_regs(&vcpu->arch.guest_fpregs); save_access_regs(vcpu->arch.guest_acrs); restore_fp_regs(&vcpu->arch.host_fpregs); @@ -461,7 +464,6 @@ static void __vcpu_run(struct kvm_vcpu *vcpu) local_irq_disable(); kvm_guest_enter(); local_irq_enable(); - gmap_enable(vcpu->arch.gmap); VCPU_EVENT(vcpu, 6, "entering sie flags %x", atomic_read(&vcpu->arch.sie_block->cpuflags)); if (sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs)) { @@ -470,7 +472,6 @@ static void __vcpu_run(struct kvm_vcpu *vcpu) } VCPU_EVENT(vcpu, 6, "exit sie icptcode %d", vcpu->arch.sie_block->icptcode); - gmap_disable(vcpu->arch.gmap); local_irq_disable(); kvm_guest_exit(); local_irq_enable(); diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 4d1f2bc..5d56c2b 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -160,6 +160,8 @@ struct gmap *gmap_alloc(struct mm_struct *mm) table = (unsigned long *) page_to_phys(page); crst_table_init(table, _REGION1_ENTRY_EMPTY); gmap->table = table; + gmap->asce = _ASCE_TYPE_REGION1 | _ASCE_TABLE_LENGTH | + _ASCE_USER_BITS | __pa(table); list_add(&gmap->list, &mm->context.gmap_list); return gmap; @@ -240,10 +242,6 @@ EXPORT_SYMBOL_GPL(gmap_free); */ void gmap_enable(struct gmap *gmap) { - /* Load primary space page table origin. */ - S390_lowcore.user_asce = _ASCE_TYPE_REGION1 | _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | __pa(gmap->table); - asm volatile("lctlg 1,1,%0\n" : : "m" (S390_lowcore.user_asce) ); S390_lowcore.gmap = (unsigned long) gmap; } EXPORT_SYMBOL_GPL(gmap_enable); @@ -254,10 +252,6 @@ EXPORT_SYMBOL_GPL(gmap_enable); */ void gmap_disable(struct gmap *gmap) { - /* Load primary space page table origin. */ - S390_lowcore.user_asce = - gmap->mm->context.asce_bits | __pa(gmap->mm->pgd); - asm volatile("lctlg 1,1,%0\n" : : "m" (S390_lowcore.user_asce) ); S390_lowcore.gmap = 0UL; } EXPORT_SYMBOL_GPL(gmap_disable); @@ -309,15 +303,15 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len) /* Walk the guest addr space page table */ table = gmap->table + (((to + off) >> 53) & 0x7ff); if (*table & _REGION_ENTRY_INV) - return 0; + goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); table = table + (((to + off) >> 42) & 0x7ff); if (*table & _REGION_ENTRY_INV) - return 0; + goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); table = table + (((to + off) >> 31) & 0x7ff); if (*table & _REGION_ENTRY_INV) - return 0; + goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); table = table + (((to + off) >> 20) & 0x7ff); @@ -325,6 +319,7 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len) flush |= gmap_unlink_segment(gmap, table); *table = _SEGMENT_ENTRY_INV; } +out: up_read(&gmap->mm->mmap_sem); if (flush) gmap_flush_tlb(gmap); diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h index b97baf8..2d3679b 100644 --- a/arch/sh/include/asm/ptrace.h +++ b/arch/sh/include/asm/ptrace.h @@ -123,7 +123,7 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, struct perf_event; struct perf_sample_data; -extern void ptrace_triggered(struct perf_event *bp, int nmi, +extern void ptrace_triggered(struct perf_event *bp, struct perf_sample_data *data, struct pt_regs *regs); #define task_pt_regs(task) \ diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c index e915dea..0555929 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c @@ -15,6 +15,7 @@ #include <linux/serial_sci.h> #include <linux/io.h> #include <linux/mm.h> +#include <linux/dma-mapping.h> #include <linux/sh_timer.h> #include <linux/sh_dma.h> diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index 32114e0..db4ecd7 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -22,7 +22,7 @@ #include <linux/atomic.h> #include <asm/smp.h> -static void (*pm_idle)(void); +void (*pm_idle)(void); static int hlt_counter; diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S index 39b051d..293e39c 100644 --- a/arch/sh/kernel/syscalls_32.S +++ b/arch/sh/kernel/syscalls_32.S @@ -185,7 +185,7 @@ ENTRY(sys_call_table) .long sys_ni_syscall /* vm86 */ .long sys_ni_syscall /* old "query_module" */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* was nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S index 089c4d8..ceb34b9 100644 --- a/arch/sh/kernel/syscalls_64.S +++ b/arch/sh/kernel/syscalls_64.S @@ -189,7 +189,7 @@ sys_call_table: .long sys_ni_syscall /* vm86 */ .long sys_ni_syscall /* old "query_module" */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* was nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index d9006f8..7bbef95 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -316,6 +316,35 @@ static int handle_unaligned_ins(insn_size_t instruction, struct pt_regs *regs, break; } break; + + case 9: /* mov.w @(disp,PC),Rn */ + srcu = (unsigned char __user *)regs->pc; + srcu += 4; + srcu += (instruction & 0x00FF) << 1; + dst = (unsigned char *)rn; + *(unsigned long *)dst = 0; + +#if !defined(__LITTLE_ENDIAN__) + dst += 2; +#endif + + if (ma->from(dst, srcu, 2)) + goto fetch_fault; + sign_extend(2, dst); + ret = 0; + break; + + case 0xd: /* mov.l @(disp,PC),Rn */ + srcu = (unsigned char __user *)(regs->pc & ~0x3); + srcu += 4; + srcu += (instruction & 0x00FF) << 2; + dst = (unsigned char *)rn; + *(unsigned long *)dst = 0; + + if (ma->from(dst, srcu, 4)) + goto fetch_fault; + ret = 0; + break; } return ret; @@ -466,6 +495,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs, case 0x0500: /* mov.w @(disp,Rm),R0 */ goto simple; case 0x0B00: /* bf lab - no delayslot*/ + ret = 0; break; case 0x0F00: /* bf/s lab */ ret = handle_delayslot(regs, instruction, ma); @@ -479,6 +509,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs, } break; case 0x0900: /* bt lab - no delayslot */ + ret = 0; break; case 0x0D00: /* bt/s lab */ ret = handle_delayslot(regs, instruction, ma); @@ -494,6 +525,9 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs, } break; + case 0x9000: /* mov.w @(disp,Rm),Rn */ + goto simple; + case 0xA000: /* bra label */ ret = handle_delayslot(regs, instruction, ma); if (ret==0) @@ -507,6 +541,9 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs, regs->pc += SH_PC_12BIT_OFFSET(instruction); } break; + + case 0xD000: /* mov.l @(disp,Rm),Rn */ + goto simple; } return ret; diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 42c67be..1a6f20d 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -55,6 +55,7 @@ config SPARC64 select PERF_USE_VMALLOC select IRQ_PREFLOW_FASTEOI select ARCH_HAVE_NMI_SAFE_CMPXCHG + select HAVE_C_RECORDMCOUNT config ARCH_DEFCONFIG string diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h index 1407c07..f6ae2b2 100644 --- a/arch/sparc/include/asm/pgtsrmmu.h +++ b/arch/sparc/include/asm/pgtsrmmu.h @@ -280,7 +280,7 @@ static inline unsigned long srmmu_hwprobe(unsigned long vaddr) return retval; } #else -#define srmmu_hwprobe(addr) (srmmu_swprobe(addr, 0) & SRMMU_PTE_PMASK) +#define srmmu_hwprobe(addr) srmmu_swprobe(addr, 0) #endif static inline int diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h index a1607d18..69914d7 100644 --- a/arch/sparc/include/asm/sigcontext.h +++ b/arch/sparc/include/asm/sigcontext.h @@ -45,6 +45,19 @@ typedef struct { int si_mask; } __siginfo32_t; +#define __SIGC_MAXWIN 7 + +typedef struct { + unsigned long locals[8]; + unsigned long ins[8]; +} __siginfo_reg_window; + +typedef struct { + int wsaved; + __siginfo_reg_window reg_window[__SIGC_MAXWIN]; + unsigned long rwbuf_stkptrs[__SIGC_MAXWIN]; +} __siginfo_rwin_t; + #ifdef CONFIG_SPARC64 typedef struct { unsigned int si_float_regs [64]; @@ -73,6 +86,7 @@ struct sigcontext { unsigned long ss_size; } sigc_stack; unsigned long sigc_mask; + __siginfo_rwin_t * sigc_rwin_save; }; #else diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h index 5f5b8bf..bcc98fc 100644 --- a/arch/sparc/include/asm/spinlock_32.h +++ b/arch/sparc/include/asm/spinlock_32.h @@ -131,6 +131,15 @@ static inline void arch_write_lock(arch_rwlock_t *rw) *(volatile __u32 *)&lp->lock = ~0U; } +static void inline arch_write_unlock(arch_rwlock_t *lock) +{ + __asm__ __volatile__( +" st %%g0, [%0]" + : /* no outputs */ + : "r" (lock) + : "memory"); +} + static inline int arch_write_trylock(arch_rwlock_t *rw) { unsigned int val; @@ -175,8 +184,6 @@ static inline int __arch_read_trylock(arch_rwlock_t *rw) res; \ }) -#define arch_write_unlock(rw) do { (rw)->lock = 0; } while(0) - #define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) #define arch_read_lock_flags(rw, flags) arch_read_lock(rw) #define arch_write_lock_flags(rw, flags) arch_write_lock(rw) diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h index 073936a..9689176 100644 --- a/arch/sparc/include/asm/spinlock_64.h +++ b/arch/sparc/include/asm/spinlock_64.h @@ -210,14 +210,8 @@ static int inline arch_write_trylock(arch_rwlock_t *lock) return result; } -#define arch_read_lock(p) arch_read_lock(p) #define arch_read_lock_flags(p, f) arch_read_lock(p) -#define arch_read_trylock(p) arch_read_trylock(p) -#define arch_read_unlock(p) arch_read_unlock(p) -#define arch_write_lock(p) arch_write_lock(p) #define arch_write_lock_flags(p, f) arch_write_lock(p) -#define arch_write_unlock(p) arch_write_unlock(p) -#define arch_write_trylock(p) arch_write_trylock(p) #define arch_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) #define arch_write_can_lock(rw) (!(rw)->lock) diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h index 55a17c6..d06a2660 100644 --- a/arch/sparc/include/asm/spitfire.h +++ b/arch/sparc/include/asm/spitfire.h @@ -43,6 +43,8 @@ #define SUN4V_CHIP_NIAGARA1 0x01 #define SUN4V_CHIP_NIAGARA2 0x02 #define SUN4V_CHIP_NIAGARA3 0x03 +#define SUN4V_CHIP_NIAGARA4 0x04 +#define SUN4V_CHIP_NIAGARA5 0x05 #define SUN4V_CHIP_UNKNOWN 0xff #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/xor_64.h b/arch/sparc/include/asm/xor_64.h index 9ed6ff6..ee8edc6 100644 --- a/arch/sparc/include/asm/xor_64.h +++ b/arch/sparc/include/asm/xor_64.h @@ -66,6 +66,8 @@ static struct xor_block_template xor_block_niagara = { ((tlb_type == hypervisor && \ (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \ sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || \ - sun4v_chip_type == SUN4V_CHIP_NIAGARA3)) ? \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA5)) ? \ &xor_block_niagara : \ &xor_block_VIS) diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index b90b4a1..cb85458 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_SPARC32) += sun4m_irq.o sun4c_irq.o sun4d_irq.o obj-y += process_$(BITS).o obj-y += signal_$(BITS).o +obj-y += sigutil_$(BITS).o obj-$(CONFIG_SPARC32) += ioport.o obj-y += setup_$(BITS).o obj-y += idprom.o diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index 9810fd8..ba9b1ce 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -481,6 +481,18 @@ static void __init sun4v_cpu_probe(void) sparc_pmu_type = "niagara3"; break; + case SUN4V_CHIP_NIAGARA4: + sparc_cpu_type = "UltraSparc T4 (Niagara4)"; + sparc_fpu_type = "UltraSparc T4 integrated FPU"; + sparc_pmu_type = "niagara4"; + break; + + case SUN4V_CHIP_NIAGARA5: + sparc_cpu_type = "UltraSparc T5 (Niagara5)"; + sparc_fpu_type = "UltraSparc T5 integrated FPU"; + sparc_pmu_type = "niagara5"; + break; + default: printk(KERN_WARNING "CPU: Unknown sun4v cpu type [%s]\n", prom_cpu_compatible); diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index 4197e8d..9323eaf 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -325,6 +325,8 @@ static int iterate_cpu(struct cpuinfo_tree *t, unsigned int root_index) case SUN4V_CHIP_NIAGARA1: case SUN4V_CHIP_NIAGARA2: case SUN4V_CHIP_NIAGARA3: + case SUN4V_CHIP_NIAGARA4: + case SUN4V_CHIP_NIAGARA5: rover_inc_table = niagara_iterate_method; break; default: diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 0eac1b2..0d810c2 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -133,7 +133,7 @@ prom_sun4v_name: prom_niagara_prefix: .asciz "SUNW,UltraSPARC-T" prom_sparc_prefix: - .asciz "SPARC-T" + .asciz "SPARC-" .align 4 prom_root_compatible: .skip 64 @@ -396,7 +396,7 @@ sun4v_chip_type: or %g1, %lo(prom_cpu_compatible), %g1 sethi %hi(prom_sparc_prefix), %g7 or %g7, %lo(prom_sparc_prefix), %g7 - mov 7, %g3 + mov 6, %g3 90: ldub [%g7], %g2 ldub [%g1], %g4 cmp %g2, %g4 @@ -408,10 +408,23 @@ sun4v_chip_type: sethi %hi(prom_cpu_compatible), %g1 or %g1, %lo(prom_cpu_compatible), %g1 - ldub [%g1 + 7], %g2 + ldub [%g1 + 6], %g2 + cmp %g2, 'T' + be,pt %xcc, 70f + cmp %g2, 'M' + bne,pn %xcc, 4f + nop + +70: ldub [%g1 + 7], %g2 cmp %g2, '3' be,pt %xcc, 5f mov SUN4V_CHIP_NIAGARA3, %g4 + cmp %g2, '4' + be,pt %xcc, 5f + mov SUN4V_CHIP_NIAGARA4, %g4 + cmp %g2, '5' + be,pt %xcc, 5f + mov SUN4V_CHIP_NIAGARA5, %g4 ba,pt %xcc, 4f nop @@ -545,6 +558,12 @@ niagara_tlb_fixup: cmp %g1, SUN4V_CHIP_NIAGARA3 be,pt %xcc, niagara2_patch nop + cmp %g1, SUN4V_CHIP_NIAGARA4 + be,pt %xcc, niagara2_patch + nop + cmp %g1, SUN4V_CHIP_NIAGARA5 + be,pt %xcc, niagara2_patch + nop call generic_patch_copyops nop diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h index 100b9c2..4285112 100644 --- a/arch/sparc/kernel/irq.h +++ b/arch/sparc/kernel/irq.h @@ -88,7 +88,7 @@ BTFIXUPDEF_CALL(void, set_irq_udt, int) #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu) /* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */ -#define SUN4D_IPI_IRQ 14 +#define SUN4D_IPI_IRQ 13 extern void sun4d_ipi_interrupt(void); diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 1e94f94..8aa0d44 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -230,7 +230,8 @@ static void pci_parse_of_addrs(struct platform_device *op, res = &dev->resource[(i - PCI_BASE_ADDRESS_0) >> 2]; } else if (i == dev->rom_base_reg) { res = &dev->resource[PCI_ROM_RESOURCE]; - flags |= IORESOURCE_READONLY | IORESOURCE_CACHEABLE; + flags |= IORESOURCE_READONLY | IORESOURCE_CACHEABLE + | IORESOURCE_SIZEALIGN; } else { printk(KERN_ERR "PCI: bad cfg reg num 0x%x\n", i); continue; diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index a19f041..1aaf8c1 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -352,8 +352,8 @@ int __init pcic_probe(void) strcpy(pbm->prom_name, namebuf); { - extern volatile int t_nmi[1]; - extern int pcic_nmi_trap_patch[1]; + extern volatile int t_nmi[4]; + extern int pcic_nmi_trap_patch[4]; t_nmi[0] = pcic_nmi_trap_patch[0]; t_nmi[1] = pcic_nmi_trap_patch[1]; diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index c8cc461..f793742 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -380,8 +380,7 @@ void flush_thread(void) #endif } - /* Now, this task is no longer a kernel thread. */ - current->thread.current_ds = USER_DS; + /* This task is no longer a kernel thread. */ if (current->thread.flags & SPARC_FLAG_KTHREAD) { current->thread.flags &= ~SPARC_FLAG_KTHREAD; diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index c158a95..d959cd0 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -368,9 +368,6 @@ void flush_thread(void) /* Clear FPU register state. */ t->fpsaved[0] = 0; - - if (get_thread_current_ds() != ASI_AIUS) - set_fs(USER_DS); } /* It's a bit more tricky when 64-bit tasks are involved... */ diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index d26e1f6..3e3e291 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -137,7 +137,7 @@ static void __init process_switch(char c) prom_halt(); break; case 'p': - /* Just ignore, this behavior is now the default. */ + prom_early_console.flags &= ~CON_BOOT; break; default: printk("Unknown boot switch (-%c)\n", c); diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 3e9daea..c965595a 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -106,7 +106,7 @@ static void __init process_switch(char c) prom_halt(); break; case 'p': - /* Just ignore, this behavior is now the default. */ + prom_early_console.flags &= ~CON_BOOT; break; case 'P': /* Force UltraSPARC-III P-Cache on. */ @@ -425,10 +425,14 @@ static void __init init_sparc64_elf_hwcap(void) else if (tlb_type == hypervisor) { if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= HWCAP_SPARC_BLKINIT; if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= HWCAP_SPARC_N2; } @@ -440,17 +444,27 @@ static void __init init_sparc64_elf_hwcap(void) cap |= AV_SPARC_VIS; if (tlb_type == cheetah || tlb_type == cheetah_plus) cap |= AV_SPARC_VIS | AV_SPARC_VIS2; - if (tlb_type == cheetah_plus) - cap |= AV_SPARC_POPC; + if (tlb_type == cheetah_plus) { + unsigned long impl, ver; + + __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver)); + impl = ((ver >> 32) & 0xffff); + if (impl == PANTHER_IMPL) + cap |= AV_SPARC_POPC; + } if (tlb_type == hypervisor) { if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1) cap |= AV_SPARC_ASI_BLK_INIT; if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 | AV_SPARC_ASI_BLK_INIT | AV_SPARC_POPC); - if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC | AV_SPARC_FMAF); } diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 75fad42..2caa556 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -29,6 +29,8 @@ #include <asm/visasm.h> #include <asm/compat_signal.h> +#include "sigutil.h" + #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) /* This magic should be in g_upper[0] for all upper parts @@ -44,14 +46,14 @@ typedef struct { struct signal_frame32 { struct sparc_stackf32 ss; __siginfo32_t info; - /* __siginfo_fpu32_t * */ u32 fpu_save; + /* __siginfo_fpu_t * */ u32 fpu_save; unsigned int insns[2]; unsigned int extramask[_COMPAT_NSIG_WORDS - 1]; unsigned int extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */ /* Only valid if (info.si_regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */ siginfo_extra_v8plus_t v8plus; - __siginfo_fpu_t fpu_state; -}; + /* __siginfo_rwin_t * */u32 rwin_save; +} __attribute__((aligned(8))); typedef struct compat_siginfo{ int si_signo; @@ -110,18 +112,14 @@ struct rt_signal_frame32 { compat_siginfo_t info; struct pt_regs32 regs; compat_sigset_t mask; - /* __siginfo_fpu32_t * */ u32 fpu_save; + /* __siginfo_fpu_t * */ u32 fpu_save; unsigned int insns[2]; stack_t32 stack; unsigned int extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */ /* Only valid if (regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */ siginfo_extra_v8plus_t v8plus; - __siginfo_fpu_t fpu_state; -}; - -/* Align macros */ -#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 15) & (~15))) -#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 15) & (~15))) + /* __siginfo_rwin_t * */u32 rwin_save; +} __attribute__((aligned(8))); int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) { @@ -192,30 +190,13 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) return 0; } -static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) -{ - unsigned long *fpregs = current_thread_info()->fpregs; - unsigned long fprs; - int err; - - err = __get_user(fprs, &fpu->si_fprs); - fprs_write(0); - regs->tstate &= ~TSTATE_PEF; - if (fprs & FPRS_DL) - err |= copy_from_user(fpregs, &fpu->si_float_regs[0], (sizeof(unsigned int) * 32)); - if (fprs & FPRS_DU) - err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32], (sizeof(unsigned int) * 32)); - err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr); - err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr); - current_thread_info()->fpsaved[0] |= fprs; - return err; -} - void do_sigreturn32(struct pt_regs *regs) { struct signal_frame32 __user *sf; + compat_uptr_t fpu_save; + compat_uptr_t rwin_save; unsigned int psr; - unsigned pc, npc, fpu_save; + unsigned pc, npc; sigset_t set; unsigned seta[_COMPAT_NSIG_WORDS]; int err, i; @@ -273,8 +254,13 @@ void do_sigreturn32(struct pt_regs *regs) pt_regs_clear_syscall(regs); err |= __get_user(fpu_save, &sf->fpu_save); - if (fpu_save) - err |= restore_fpu_state32(regs, &sf->fpu_state); + if (!err && fpu_save) + err |= restore_fpu_state(regs, compat_ptr(fpu_save)); + err |= __get_user(rwin_save, &sf->rwin_save); + if (!err && rwin_save) { + if (restore_rwin_state(compat_ptr(rwin_save))) + goto segv; + } err |= __get_user(seta[0], &sf->info.si_mask); err |= copy_from_user(seta+1, &sf->extramask, (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int)); @@ -287,10 +273,7 @@ void do_sigreturn32(struct pt_regs *regs) case 1: set.sig[0] = seta[0] + (((long)seta[1]) << 32); } sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); return; segv: @@ -300,7 +283,9 @@ segv: asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) { struct rt_signal_frame32 __user *sf; - unsigned int psr, pc, npc, fpu_save, u_ss_sp; + unsigned int psr, pc, npc, u_ss_sp; + compat_uptr_t fpu_save; + compat_uptr_t rwin_save; mm_segment_t old_fs; sigset_t set; compat_sigset_t seta; @@ -359,8 +344,8 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) pt_regs_clear_syscall(regs); err |= __get_user(fpu_save, &sf->fpu_save); - if (fpu_save) - err |= restore_fpu_state32(regs, &sf->fpu_state); + if (!err && fpu_save) + err |= restore_fpu_state(regs, compat_ptr(fpu_save)); err |= copy_from_user(&seta, &sf->mask, sizeof(compat_sigset_t)); err |= __get_user(u_ss_sp, &sf->stack.ss_sp); st.ss_sp = compat_ptr(u_ss_sp); @@ -376,6 +361,12 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) do_sigaltstack((stack_t __user *) &st, NULL, (unsigned long)sf); set_fs(old_fs); + err |= __get_user(rwin_save, &sf->rwin_save); + if (!err && rwin_save) { + if (restore_rwin_state(compat_ptr(rwin_save))) + goto segv; + } + switch (_NSIG_WORDS) { case 4: set.sig[3] = seta.sig[6] + (((long)seta.sig[7]) << 32); case 3: set.sig[2] = seta.sig[4] + (((long)seta.sig[5]) << 32); @@ -383,10 +374,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) case 1: set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32); } sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); return; segv: force_sig(SIGSEGV, current); @@ -433,26 +421,6 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns return (void __user *) sp; } -static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) -{ - unsigned long *fpregs = current_thread_info()->fpregs; - unsigned long fprs; - int err = 0; - - fprs = current_thread_info()->fpsaved[0]; - if (fprs & FPRS_DL) - err |= copy_to_user(&fpu->si_float_regs[0], fpregs, - (sizeof(unsigned int) * 32)); - if (fprs & FPRS_DU) - err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16, - (sizeof(unsigned int) * 32)); - err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr); - err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr); - err |= __put_user(fprs, &fpu->si_fprs); - - return err; -} - /* The I-cache flush instruction only works in the primary ASI, which * right now is the nucleus, aka. kernel space. * @@ -515,18 +483,23 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs, int signo, sigset_t *oldset) { struct signal_frame32 __user *sf; + int i, err, wsaved; + void __user *tail; int sigframe_size; u32 psr; - int i, err; unsigned int seta[_COMPAT_NSIG_WORDS]; /* 1. Make sure everything is clean */ synchronize_user_stack(); save_and_clear_fpu(); - sigframe_size = SF_ALIGNEDSZ; - if (!(current_thread_info()->fpsaved[0] & FPRS_FEF)) - sigframe_size -= sizeof(__siginfo_fpu_t); + wsaved = get_thread_wsaved(); + + sigframe_size = sizeof(*sf); + if (current_thread_info()->fpsaved[0] & FPRS_FEF) + sigframe_size += sizeof(__siginfo_fpu_t); + if (wsaved) + sigframe_size += sizeof(__siginfo_rwin_t); sf = (struct signal_frame32 __user *) get_sigframe(&ka->sa, regs, sigframe_size); @@ -534,8 +507,7 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs, if (invalid_frame_pointer(sf, sigframe_size)) goto sigill; - if (get_thread_wsaved() != 0) - goto sigill; + tail = (sf + 1); /* 2. Save the current process state */ if (test_thread_flag(TIF_32BIT)) { @@ -560,11 +532,22 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs, &sf->v8plus.asi); if (psr & PSR_EF) { - err |= save_fpu_state32(regs, &sf->fpu_state); - err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save); + __siginfo_fpu_t __user *fp = tail; + tail += sizeof(*fp); + err |= save_fpu_state(regs, fp); + err |= __put_user((u64)fp, &sf->fpu_save); } else { err |= __put_user(0, &sf->fpu_save); } + if (wsaved) { + __siginfo_rwin_t __user *rwp = tail; + tail += sizeof(*rwp); + err |= save_rwin_state(wsaved, rwp); + err |= __put_user((u64)rwp, &sf->rwin_save); + set_thread_wsaved(0); + } else { + err |= __put_user(0, &sf->rwin_save); + } switch (_NSIG_WORDS) { case 4: seta[7] = (oldset->sig[3] >> 32); @@ -580,10 +563,21 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs, err |= __copy_to_user(sf->extramask, seta + 1, (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int)); - err |= copy_in_user((u32 __user *)sf, - (u32 __user *)(regs->u_regs[UREG_FP]), - sizeof(struct reg_window32)); - + if (!wsaved) { + err |= copy_in_user((u32 __user *)sf, + (u32 __user *)(regs->u_regs[UREG_FP]), + sizeof(struct reg_window32)); + } else { + struct reg_window *rp; + + rp = ¤t_thread_info()->reg_window[wsaved - 1]; + for (i = 0; i < 8; i++) + err |= __put_user(rp->locals[i], &sf->ss.locals[i]); + for (i = 0; i < 6; i++) + err |= __put_user(rp->ins[i], &sf->ss.ins[i]); + err |= __put_user(rp->ins[6], &sf->ss.fp); + err |= __put_user(rp->ins[7], &sf->ss.callers_pc); + } if (err) goto sigsegv; @@ -613,7 +607,6 @@ static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(0x91d02010, &sf->insns[1]); /*t 0x10*/ if (err) goto sigsegv; - flush_signal_insns(address); } return 0; @@ -632,18 +625,23 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs, siginfo_t *info) { struct rt_signal_frame32 __user *sf; + int i, err, wsaved; + void __user *tail; int sigframe_size; u32 psr; - int i, err; compat_sigset_t seta; /* 1. Make sure everything is clean */ synchronize_user_stack(); save_and_clear_fpu(); - sigframe_size = RT_ALIGNEDSZ; - if (!(current_thread_info()->fpsaved[0] & FPRS_FEF)) - sigframe_size -= sizeof(__siginfo_fpu_t); + wsaved = get_thread_wsaved(); + + sigframe_size = sizeof(*sf); + if (current_thread_info()->fpsaved[0] & FPRS_FEF) + sigframe_size += sizeof(__siginfo_fpu_t); + if (wsaved) + sigframe_size += sizeof(__siginfo_rwin_t); sf = (struct rt_signal_frame32 __user *) get_sigframe(&ka->sa, regs, sigframe_size); @@ -651,8 +649,7 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs, if (invalid_frame_pointer(sf, sigframe_size)) goto sigill; - if (get_thread_wsaved() != 0) - goto sigill; + tail = (sf + 1); /* 2. Save the current process state */ if (test_thread_flag(TIF_32BIT)) { @@ -677,11 +674,22 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs, &sf->v8plus.asi); if (psr & PSR_EF) { - err |= save_fpu_state32(regs, &sf->fpu_state); - err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save); + __siginfo_fpu_t __user *fp = tail; + tail += sizeof(*fp); + err |= save_fpu_state(regs, fp); + err |= __put_user((u64)fp, &sf->fpu_save); } else { err |= __put_user(0, &sf->fpu_save); } + if (wsaved) { + __siginfo_rwin_t __user *rwp = tail; + tail += sizeof(*rwp); + err |= save_rwin_state(wsaved, rwp); + err |= __put_user((u64)rwp, &sf->rwin_save); + set_thread_wsaved(0); + } else { + err |= __put_user(0, &sf->rwin_save); + } /* Update the siginfo structure. */ err |= copy_siginfo_to_user32(&sf->info, info); @@ -703,9 +711,21 @@ static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs, } err |= __copy_to_user(&sf->mask, &seta, sizeof(compat_sigset_t)); - err |= copy_in_user((u32 __user *)sf, - (u32 __user *)(regs->u_regs[UREG_FP]), - sizeof(struct reg_window32)); + if (!wsaved) { + err |= copy_in_user((u32 __user *)sf, + (u32 __user *)(regs->u_regs[UREG_FP]), + sizeof(struct reg_window32)); + } else { + struct reg_window *rp; + + rp = ¤t_thread_info()->reg_window[wsaved - 1]; + for (i = 0; i < 8; i++) + err |= __put_user(rp->locals[i], &sf->ss.locals[i]); + for (i = 0; i < 6; i++) + err |= __put_user(rp->ins[i], &sf->ss.ins[i]); + err |= __put_user(rp->ins[6], &sf->ss.fp); + err |= __put_user(rp->ins[7], &sf->ss.callers_pc); + } if (err) goto sigsegv; @@ -756,6 +776,7 @@ static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { + sigset_t blocked; int err; if (ka->sa.sa_flags & SA_SIGINFO) @@ -766,12 +787,10 @@ static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka, if (err) return err; - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); + sigorsets(&blocked, ¤t->blocked, &ka->sa.sa_mask); if (!(ka->sa.sa_flags & SA_NOMASK)) - sigaddset(¤t->blocked,signr); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + sigaddset(&blocked, signr); + set_current_blocked(&blocked); tracehook_signal_handler(signr, info, ka, regs, 0); @@ -855,7 +874,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs, */ if (current_thread_info()->status & TS_RESTORE_SIGMASK) { current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + set_current_blocked(¤t->saved_sigmask); } } diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 5e5c5fd..8ce247a 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -26,6 +26,8 @@ #include <asm/pgtable.h> #include <asm/cacheflush.h> /* flush_sig_insns */ +#include "sigutil.h" + #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) extern void fpsave(unsigned long *fpregs, unsigned long *fsr, @@ -39,8 +41,8 @@ struct signal_frame { unsigned long insns[2] __attribute__ ((aligned (8))); unsigned int extramask[_NSIG_WORDS - 1]; unsigned int extra_size; /* Should be 0 */ - __siginfo_fpu_t fpu_state; -}; + __siginfo_rwin_t __user *rwin_save; +} __attribute__((aligned(8))); struct rt_signal_frame { struct sparc_stackf ss; @@ -51,8 +53,8 @@ struct rt_signal_frame { unsigned int insns[2]; stack_t stack; unsigned int extra_size; /* Should be 0 */ - __siginfo_fpu_t fpu_state; -}; + __siginfo_rwin_t __user *rwin_save; +} __attribute__((aligned(8))); /* Align macros */ #define SF_ALIGNEDSZ (((sizeof(struct signal_frame) + 7) & (~7))) @@ -60,12 +62,13 @@ struct rt_signal_frame { static int _sigpause_common(old_sigset_t set) { - set &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); + sigset_t blocked; + current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, set); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + + set &= _BLOCKABLE; + siginitset(&blocked, set); + set_current_blocked(&blocked); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -79,43 +82,13 @@ asmlinkage int sys_sigsuspend(old_sigset_t set) return _sigpause_common(set); } -static inline int -restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) -{ - int err; -#ifdef CONFIG_SMP - if (test_tsk_thread_flag(current, TIF_USEDFPU)) - regs->psr &= ~PSR_EF; -#else - if (current == last_task_used_math) { - last_task_used_math = NULL; - regs->psr &= ~PSR_EF; - } -#endif - set_used_math(); - clear_tsk_thread_flag(current, TIF_USEDFPU); - - if (!access_ok(VERIFY_READ, fpu, sizeof(*fpu))) - return -EFAULT; - - err = __copy_from_user(¤t->thread.float_regs[0], &fpu->si_float_regs[0], - (sizeof(unsigned long) * 32)); - err |= __get_user(current->thread.fsr, &fpu->si_fsr); - err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth); - if (current->thread.fpqdepth != 0) - err |= __copy_from_user(¤t->thread.fpqueue[0], - &fpu->si_fpqueue[0], - ((sizeof(unsigned long) + - (sizeof(unsigned long *)))*16)); - return err; -} - asmlinkage void do_sigreturn(struct pt_regs *regs) { struct signal_frame __user *sf; unsigned long up_psr, pc, npc; sigset_t set; __siginfo_fpu_t __user *fpu_save; + __siginfo_rwin_t __user *rwin_save; int err; /* Always make any pending restarted system calls return -EINTR */ @@ -150,9 +123,11 @@ asmlinkage void do_sigreturn(struct pt_regs *regs) pt_regs_clear_syscall(regs); err |= __get_user(fpu_save, &sf->fpu_save); - if (fpu_save) err |= restore_fpu_state(regs, fpu_save); + err |= __get_user(rwin_save, &sf->rwin_save); + if (rwin_save) + err |= restore_rwin_state(rwin_save); /* This is pretty much atomic, no amount locking would prevent * the races which exist anyways. @@ -165,10 +140,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs) goto segv_and_exit; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); return; segv_and_exit: @@ -180,6 +152,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs) struct rt_signal_frame __user *sf; unsigned int psr, pc, npc; __siginfo_fpu_t __user *fpu_save; + __siginfo_rwin_t __user *rwin_save; mm_segment_t old_fs; sigset_t set; stack_t st; @@ -207,8 +180,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs) pt_regs_clear_syscall(regs); err |= __get_user(fpu_save, &sf->fpu_save); - - if (fpu_save) + if (!err && fpu_save) err |= restore_fpu_state(regs, fpu_save); err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t)); @@ -228,11 +200,14 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs) do_sigaltstack((const stack_t __user *) &st, NULL, (unsigned long)sf); set_fs(old_fs); + err |= __get_user(rwin_save, &sf->rwin_save); + if (!err && rwin_save) { + if (restore_rwin_state(rwin_save)) + goto segv; + } + sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); return; segv: force_sig(SIGSEGV, current); @@ -280,53 +255,23 @@ static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *re return (void __user *) sp; } -static inline int -save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) -{ - int err = 0; -#ifdef CONFIG_SMP - if (test_tsk_thread_flag(current, TIF_USEDFPU)) { - put_psr(get_psr() | PSR_EF); - fpsave(¤t->thread.float_regs[0], ¤t->thread.fsr, - ¤t->thread.fpqueue[0], ¤t->thread.fpqdepth); - regs->psr &= ~(PSR_EF); - clear_tsk_thread_flag(current, TIF_USEDFPU); - } -#else - if (current == last_task_used_math) { - put_psr(get_psr() | PSR_EF); - fpsave(¤t->thread.float_regs[0], ¤t->thread.fsr, - ¤t->thread.fpqueue[0], ¤t->thread.fpqdepth); - last_task_used_math = NULL; - regs->psr &= ~(PSR_EF); - } -#endif - err |= __copy_to_user(&fpu->si_float_regs[0], - ¤t->thread.float_regs[0], - (sizeof(unsigned long) * 32)); - err |= __put_user(current->thread.fsr, &fpu->si_fsr); - err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth); - if (current->thread.fpqdepth != 0) - err |= __copy_to_user(&fpu->si_fpqueue[0], - ¤t->thread.fpqueue[0], - ((sizeof(unsigned long) + - (sizeof(unsigned long *)))*16)); - clear_used_math(); - return err; -} - static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs, int signo, sigset_t *oldset) { struct signal_frame __user *sf; - int sigframe_size, err; + int sigframe_size, err, wsaved; + void __user *tail; /* 1. Make sure everything is clean */ synchronize_user_stack(); - sigframe_size = SF_ALIGNEDSZ; - if (!used_math()) - sigframe_size -= sizeof(__siginfo_fpu_t); + wsaved = current_thread_info()->w_saved; + + sigframe_size = sizeof(*sf); + if (used_math()) + sigframe_size += sizeof(__siginfo_fpu_t); + if (wsaved) + sigframe_size += sizeof(__siginfo_rwin_t); sf = (struct signal_frame __user *) get_sigframe(&ka->sa, regs, sigframe_size); @@ -334,8 +279,7 @@ static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs, if (invalid_frame_pointer(sf, sigframe_size)) goto sigill_and_return; - if (current_thread_info()->w_saved != 0) - goto sigill_and_return; + tail = sf + 1; /* 2. Save the current process state */ err = __copy_to_user(&sf->info.si_regs, regs, sizeof(struct pt_regs)); @@ -343,17 +287,34 @@ static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(0, &sf->extra_size); if (used_math()) { - err |= save_fpu_state(regs, &sf->fpu_state); - err |= __put_user(&sf->fpu_state, &sf->fpu_save); + __siginfo_fpu_t __user *fp = tail; + tail += sizeof(*fp); + err |= save_fpu_state(regs, fp); + err |= __put_user(fp, &sf->fpu_save); } else { err |= __put_user(0, &sf->fpu_save); } + if (wsaved) { + __siginfo_rwin_t __user *rwp = tail; + tail += sizeof(*rwp); + err |= save_rwin_state(wsaved, rwp); + err |= __put_user(rwp, &sf->rwin_save); + } else { + err |= __put_user(0, &sf->rwin_save); + } err |= __put_user(oldset->sig[0], &sf->info.si_mask); err |= __copy_to_user(sf->extramask, &oldset->sig[1], (_NSIG_WORDS - 1) * sizeof(unsigned int)); - err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], - sizeof(struct reg_window32)); + if (!wsaved) { + err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], + sizeof(struct reg_window32)); + } else { + struct reg_window32 *rp; + + rp = ¤t_thread_info()->reg_window[wsaved - 1]; + err |= __copy_to_user(sf, rp, sizeof(struct reg_window32)); + } if (err) goto sigsegv; @@ -399,21 +360,24 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, int signo, sigset_t *oldset, siginfo_t *info) { struct rt_signal_frame __user *sf; - int sigframe_size; + int sigframe_size, wsaved; + void __user *tail; unsigned int psr; int err; synchronize_user_stack(); - sigframe_size = RT_ALIGNEDSZ; - if (!used_math()) - sigframe_size -= sizeof(__siginfo_fpu_t); + wsaved = current_thread_info()->w_saved; + sigframe_size = sizeof(*sf); + if (used_math()) + sigframe_size += sizeof(__siginfo_fpu_t); + if (wsaved) + sigframe_size += sizeof(__siginfo_rwin_t); sf = (struct rt_signal_frame __user *) get_sigframe(&ka->sa, regs, sigframe_size); if (invalid_frame_pointer(sf, sigframe_size)) goto sigill; - if (current_thread_info()->w_saved != 0) - goto sigill; + tail = sf + 1; err = __put_user(regs->pc, &sf->regs.pc); err |= __put_user(regs->npc, &sf->regs.npc); err |= __put_user(regs->y, &sf->regs.y); @@ -425,11 +389,21 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(0, &sf->extra_size); if (psr & PSR_EF) { - err |= save_fpu_state(regs, &sf->fpu_state); - err |= __put_user(&sf->fpu_state, &sf->fpu_save); + __siginfo_fpu_t *fp = tail; + tail += sizeof(*fp); + err |= save_fpu_state(regs, fp); + err |= __put_user(fp, &sf->fpu_save); } else { err |= __put_user(0, &sf->fpu_save); } + if (wsaved) { + __siginfo_rwin_t *rwp = tail; + tail += sizeof(*rwp); + err |= save_rwin_state(wsaved, rwp); + err |= __put_user(rwp, &sf->rwin_save); + } else { + err |= __put_user(0, &sf->rwin_save); + } err |= __copy_to_user(&sf->mask, &oldset->sig[0], sizeof(sigset_t)); /* Setup sigaltstack */ @@ -437,8 +411,15 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(sas_ss_flags(regs->u_regs[UREG_FP]), &sf->stack.ss_flags); err |= __put_user(current->sas_ss_size, &sf->stack.ss_size); - err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], - sizeof(struct reg_window32)); + if (!wsaved) { + err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], + sizeof(struct reg_window32)); + } else { + struct reg_window32 *rp; + + rp = ¤t_thread_info()->reg_window[wsaved - 1]; + err |= __copy_to_user(sf, rp, sizeof(struct reg_window32)); + } err |= copy_siginfo_to_user(&sf->info, info); @@ -484,6 +465,7 @@ static inline int handle_signal(unsigned long signr, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { + sigset_t blocked; int err; if (ka->sa.sa_flags & SA_SIGINFO) @@ -494,12 +476,10 @@ handle_signal(unsigned long signr, struct k_sigaction *ka, if (err) return err; - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); + sigorsets(&blocked, ¤t->blocked, &ka->sa.sa_mask); if (!(ka->sa.sa_flags & SA_NOMASK)) - sigaddset(¤t->blocked, signr); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + sigaddset(&blocked, signr); + set_current_blocked(&blocked); tracehook_signal_handler(signr, info, ka, regs, 0); @@ -595,7 +575,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) */ if (test_thread_flag(TIF_RESTORE_SIGMASK)) { clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + set_current_blocked(¤t->saved_sigmask); } } diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index 006fe45..a2b8159 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -34,6 +34,7 @@ #include "entry.h" #include "systbls.h" +#include "sigutil.h" #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) @@ -69,10 +70,7 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs) goto do_sigsegv; } sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); } if (test_thread_flag(TIF_32BIT)) { pc &= 0xffffffff; @@ -236,17 +234,18 @@ struct rt_signal_frame { __siginfo_fpu_t __user *fpu_save; stack_t stack; sigset_t mask; - __siginfo_fpu_t fpu_state; + __siginfo_rwin_t *rwin_save; }; static long _sigpause_common(old_sigset_t set) { - set &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); + sigset_t blocked; + current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, set); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + + set &= _BLOCKABLE; + siginitset(&blocked, set); + set_current_blocked(&blocked); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -266,33 +265,12 @@ asmlinkage long sys_sigsuspend(old_sigset_t set) return _sigpause_common(set); } -static inline int -restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) -{ - unsigned long *fpregs = current_thread_info()->fpregs; - unsigned long fprs; - int err; - - err = __get_user(fprs, &fpu->si_fprs); - fprs_write(0); - regs->tstate &= ~TSTATE_PEF; - if (fprs & FPRS_DL) - err |= copy_from_user(fpregs, &fpu->si_float_regs[0], - (sizeof(unsigned int) * 32)); - if (fprs & FPRS_DU) - err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32], - (sizeof(unsigned int) * 32)); - err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr); - err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr); - current_thread_info()->fpsaved[0] |= fprs; - return err; -} - void do_rt_sigreturn(struct pt_regs *regs) { struct rt_signal_frame __user *sf; unsigned long tpc, tnpc, tstate; __siginfo_fpu_t __user *fpu_save; + __siginfo_rwin_t __user *rwin_save; sigset_t set; int err; @@ -325,8 +303,8 @@ void do_rt_sigreturn(struct pt_regs *regs) regs->tstate |= (tstate & (TSTATE_ASI | TSTATE_ICC | TSTATE_XCC)); err |= __get_user(fpu_save, &sf->fpu_save); - if (fpu_save) - err |= restore_fpu_state(regs, &sf->fpu_state); + if (!err && fpu_save) + err |= restore_fpu_state(regs, fpu_save); err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t)); err |= do_sigaltstack(&sf->stack, NULL, (unsigned long)sf); @@ -334,6 +312,12 @@ void do_rt_sigreturn(struct pt_regs *regs) if (err) goto segv; + err |= __get_user(rwin_save, &sf->rwin_save); + if (!err && rwin_save) { + if (restore_rwin_state(rwin_save)) + goto segv; + } + regs->tpc = tpc; regs->tnpc = tnpc; @@ -341,44 +325,20 @@ void do_rt_sigreturn(struct pt_regs *regs) pt_regs_clear_syscall(regs); sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); return; segv: force_sig(SIGSEGV, current); } /* Checks if the fp is valid */ -static int invalid_frame_pointer(void __user *fp, int fplen) +static int invalid_frame_pointer(void __user *fp) { if (((unsigned long) fp) & 15) return 1; return 0; } -static inline int -save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) -{ - unsigned long *fpregs = current_thread_info()->fpregs; - unsigned long fprs; - int err = 0; - - fprs = current_thread_info()->fpsaved[0]; - if (fprs & FPRS_DL) - err |= copy_to_user(&fpu->si_float_regs[0], fpregs, - (sizeof(unsigned int) * 32)); - if (fprs & FPRS_DU) - err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16, - (sizeof(unsigned int) * 32)); - err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr); - err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr); - err |= __put_user(fprs, &fpu->si_fprs); - - return err; -} - static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize) { unsigned long sp = regs->u_regs[UREG_FP] + STACK_BIAS; @@ -414,34 +374,48 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, int signo, sigset_t *oldset, siginfo_t *info) { struct rt_signal_frame __user *sf; - int sigframe_size, err; + int wsaved, err, sf_size; + void __user *tail; /* 1. Make sure everything is clean */ synchronize_user_stack(); save_and_clear_fpu(); - sigframe_size = sizeof(struct rt_signal_frame); - if (!(current_thread_info()->fpsaved[0] & FPRS_FEF)) - sigframe_size -= sizeof(__siginfo_fpu_t); + wsaved = get_thread_wsaved(); + sf_size = sizeof(struct rt_signal_frame); + if (current_thread_info()->fpsaved[0] & FPRS_FEF) + sf_size += sizeof(__siginfo_fpu_t); + if (wsaved) + sf_size += sizeof(__siginfo_rwin_t); sf = (struct rt_signal_frame __user *) - get_sigframe(ka, regs, sigframe_size); - - if (invalid_frame_pointer (sf, sigframe_size)) - goto sigill; + get_sigframe(ka, regs, sf_size); - if (get_thread_wsaved() != 0) + if (invalid_frame_pointer (sf)) goto sigill; + tail = (sf + 1); + /* 2. Save the current process state */ err = copy_to_user(&sf->regs, regs, sizeof (*regs)); if (current_thread_info()->fpsaved[0] & FPRS_FEF) { - err |= save_fpu_state(regs, &sf->fpu_state); - err |= __put_user((u64)&sf->fpu_state, &sf->fpu_save); + __siginfo_fpu_t __user *fpu_save = tail; + tail += sizeof(__siginfo_fpu_t); + err |= save_fpu_state(regs, fpu_save); + err |= __put_user((u64)fpu_save, &sf->fpu_save); } else { err |= __put_user(0, &sf->fpu_save); } + if (wsaved) { + __siginfo_rwin_t __user *rwin_save = tail; + tail += sizeof(__siginfo_rwin_t); + err |= save_rwin_state(wsaved, rwin_save); + err |= __put_user((u64)rwin_save, &sf->rwin_save); + set_thread_wsaved(0); + } else { + err |= __put_user(0, &sf->rwin_save); + } /* Setup sigaltstack */ err |= __put_user(current->sas_ss_sp, &sf->stack.ss_sp); @@ -450,10 +424,17 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= copy_to_user(&sf->mask, oldset, sizeof(sigset_t)); - err |= copy_in_user((u64 __user *)sf, - (u64 __user *)(regs->u_regs[UREG_FP]+STACK_BIAS), - sizeof(struct reg_window)); + if (!wsaved) { + err |= copy_in_user((u64 __user *)sf, + (u64 __user *)(regs->u_regs[UREG_FP] + + STACK_BIAS), + sizeof(struct reg_window)); + } else { + struct reg_window *rp; + rp = ¤t_thread_info()->reg_window[wsaved - 1]; + err |= copy_to_user(sf, rp, sizeof(struct reg_window)); + } if (info) err |= copy_siginfo_to_user(&sf->info, info); else { @@ -498,18 +479,17 @@ static inline int handle_signal(unsigned long signr, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { + sigset_t blocked; int err; err = setup_rt_frame(ka, regs, signr, oldset, (ka->sa.sa_flags & SA_SIGINFO) ? info : NULL); if (err) return err; - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); + sigorsets(&blocked, ¤t->blocked, &ka->sa.sa_mask); if (!(ka->sa.sa_flags & SA_NOMASK)) - sigaddset(¤t->blocked,signr); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + sigaddset(&blocked, signr); + set_current_blocked(&blocked); tracehook_signal_handler(signr, info, ka, regs, 0); @@ -615,7 +595,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) */ if (current_thread_info()->status & TS_RESTORE_SIGMASK) { current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + set_current_blocked(¤t->saved_sigmask); } } diff --git a/arch/sparc/kernel/sigutil.h b/arch/sparc/kernel/sigutil.h new file mode 100644 index 0000000..d223aa4 --- /dev/null +++ b/arch/sparc/kernel/sigutil.h @@ -0,0 +1,9 @@ +#ifndef _SIGUTIL_H +#define _SIGUTIL_H + +int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu); +int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu); +int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin); +int restore_rwin_state(__siginfo_rwin_t __user *rp); + +#endif /* _SIGUTIL_H */ diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c new file mode 100644 index 0000000..35c7897 --- /dev/null +++ b/arch/sparc/kernel/sigutil_32.c @@ -0,0 +1,120 @@ +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/thread_info.h> +#include <linux/uaccess.h> +#include <linux/sched.h> + +#include <asm/sigcontext.h> +#include <asm/fpumacro.h> +#include <asm/ptrace.h> + +#include "sigutil.h" + +int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) +{ + int err = 0; +#ifdef CONFIG_SMP + if (test_tsk_thread_flag(current, TIF_USEDFPU)) { + put_psr(get_psr() | PSR_EF); + fpsave(¤t->thread.float_regs[0], ¤t->thread.fsr, + ¤t->thread.fpqueue[0], ¤t->thread.fpqdepth); + regs->psr &= ~(PSR_EF); + clear_tsk_thread_flag(current, TIF_USEDFPU); + } +#else + if (current == last_task_used_math) { + put_psr(get_psr() | PSR_EF); + fpsave(¤t->thread.float_regs[0], ¤t->thread.fsr, + ¤t->thread.fpqueue[0], ¤t->thread.fpqdepth); + last_task_used_math = NULL; + regs->psr &= ~(PSR_EF); + } +#endif + err |= __copy_to_user(&fpu->si_float_regs[0], + ¤t->thread.float_regs[0], + (sizeof(unsigned long) * 32)); + err |= __put_user(current->thread.fsr, &fpu->si_fsr); + err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth); + if (current->thread.fpqdepth != 0) + err |= __copy_to_user(&fpu->si_fpqueue[0], + ¤t->thread.fpqueue[0], + ((sizeof(unsigned long) + + (sizeof(unsigned long *)))*16)); + clear_used_math(); + return err; +} + +int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) +{ + int err; +#ifdef CONFIG_SMP + if (test_tsk_thread_flag(current, TIF_USEDFPU)) + regs->psr &= ~PSR_EF; +#else + if (current == last_task_used_math) { + last_task_used_math = NULL; + regs->psr &= ~PSR_EF; + } +#endif + set_used_math(); + clear_tsk_thread_flag(current, TIF_USEDFPU); + + if (!access_ok(VERIFY_READ, fpu, sizeof(*fpu))) + return -EFAULT; + + err = __copy_from_user(¤t->thread.float_regs[0], &fpu->si_float_regs[0], + (sizeof(unsigned long) * 32)); + err |= __get_user(current->thread.fsr, &fpu->si_fsr); + err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth); + if (current->thread.fpqdepth != 0) + err |= __copy_from_user(¤t->thread.fpqueue[0], + &fpu->si_fpqueue[0], + ((sizeof(unsigned long) + + (sizeof(unsigned long *)))*16)); + return err; +} + +int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin) +{ + int i, err = __put_user(wsaved, &rwin->wsaved); + + for (i = 0; i < wsaved; i++) { + struct reg_window32 *rp; + unsigned long fp; + + rp = ¤t_thread_info()->reg_window[i]; + fp = current_thread_info()->rwbuf_stkptrs[i]; + err |= copy_to_user(&rwin->reg_window[i], rp, + sizeof(struct reg_window32)); + err |= __put_user(fp, &rwin->rwbuf_stkptrs[i]); + } + return err; +} + +int restore_rwin_state(__siginfo_rwin_t __user *rp) +{ + struct thread_info *t = current_thread_info(); + int i, wsaved, err; + + __get_user(wsaved, &rp->wsaved); + if (wsaved > NSWINS) + return -EFAULT; + + err = 0; + for (i = 0; i < wsaved; i++) { + err |= copy_from_user(&t->reg_window[i], + &rp->reg_window[i], + sizeof(struct reg_window32)); + err |= __get_user(t->rwbuf_stkptrs[i], + &rp->rwbuf_stkptrs[i]); + } + if (err) + return err; + + t->w_saved = wsaved; + synchronize_user_stack(); + if (t->w_saved) + return -EFAULT; + return 0; + +} diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c new file mode 100644 index 0000000..e7dc508 --- /dev/null +++ b/arch/sparc/kernel/sigutil_64.c @@ -0,0 +1,93 @@ +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/thread_info.h> +#include <linux/uaccess.h> + +#include <asm/sigcontext.h> +#include <asm/fpumacro.h> +#include <asm/ptrace.h> + +#include "sigutil.h" + +int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) +{ + unsigned long *fpregs = current_thread_info()->fpregs; + unsigned long fprs; + int err = 0; + + fprs = current_thread_info()->fpsaved[0]; + if (fprs & FPRS_DL) + err |= copy_to_user(&fpu->si_float_regs[0], fpregs, + (sizeof(unsigned int) * 32)); + if (fprs & FPRS_DU) + err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16, + (sizeof(unsigned int) * 32)); + err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr); + err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr); + err |= __put_user(fprs, &fpu->si_fprs); + + return err; +} + +int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) +{ + unsigned long *fpregs = current_thread_info()->fpregs; + unsigned long fprs; + int err; + + err = __get_user(fprs, &fpu->si_fprs); + fprs_write(0); + regs->tstate &= ~TSTATE_PEF; + if (fprs & FPRS_DL) + err |= copy_from_user(fpregs, &fpu->si_float_regs[0], + (sizeof(unsigned int) * 32)); + if (fprs & FPRS_DU) + err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32], + (sizeof(unsigned int) * 32)); + err |= __get_user(current_thread_info()->xfsr[0], &fpu->si_fsr); + err |= __get_user(current_thread_info()->gsr[0], &fpu->si_gsr); + current_thread_info()->fpsaved[0] |= fprs; + return err; +} + +int save_rwin_state(int wsaved, __siginfo_rwin_t __user *rwin) +{ + int i, err = __put_user(wsaved, &rwin->wsaved); + + for (i = 0; i < wsaved; i++) { + struct reg_window *rp = ¤t_thread_info()->reg_window[i]; + unsigned long fp = current_thread_info()->rwbuf_stkptrs[i]; + + err |= copy_to_user(&rwin->reg_window[i], rp, + sizeof(struct reg_window)); + err |= __put_user(fp, &rwin->rwbuf_stkptrs[i]); + } + return err; +} + +int restore_rwin_state(__siginfo_rwin_t __user *rp) +{ + struct thread_info *t = current_thread_info(); + int i, wsaved, err; + + __get_user(wsaved, &rp->wsaved); + if (wsaved > NSWINS) + return -EFAULT; + + err = 0; + for (i = 0; i < wsaved; i++) { + err |= copy_from_user(&t->reg_window[i], + &rp->reg_window[i], + sizeof(struct reg_window)); + err |= __get_user(t->rwbuf_stkptrs[i], + &rp->rwbuf_stkptrs[i]); + } + if (err) + return err; + + set_thread_wsaved(wsaved); + synchronize_user_stack(); + if (get_thread_wsaved()) + return -EFAULT; + return 0; +} diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index 44e5faf..d97f3eb 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -81,7 +81,6 @@ SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4) SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5) SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1) SIGN1(sys32_mlockall, sys_mlockall, %o0) -SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0) SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1) SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1) SIGN1(sys32_io_submit, compat_sys_io_submit, %o1) diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 6e492d5..09d8ec4 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -67,7 +67,7 @@ sys_call_table: /*235*/ .long sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall /*240*/ .long sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler /*245*/ .long sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep -/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl +/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall /*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep /*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun /*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index f566518..edbec45 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -68,7 +68,7 @@ sys_call_table32: .word compat_sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys32_mlockall /*240*/ .word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler .word sys_sched_yield, sys32_sched_get_priority_max, sys32_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep -/*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl +/*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys_nis_syscall .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy @@ -145,7 +145,7 @@ sys_call_table: .word sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall /*240*/ .word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler .word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep -/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl +/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 581531d..8e073d8 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -511,6 +511,11 @@ static void __init read_obp_translations(void) for (i = 0; i < prom_trans_ents; i++) prom_trans[i].data &= ~0x0003fe0000000000UL; } + + /* Force execute bit on. */ + for (i = 0; i < prom_trans_ents; i++) + prom_trans[i].data |= (tlb_type == hypervisor ? + _PAGE_EXEC_4V : _PAGE_EXEC_4U); } static void __init hypervisor_tlb_lock(unsigned long vaddr, diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c index e485a68..13c2169 100644 --- a/arch/sparc/mm/leon_mm.c +++ b/arch/sparc/mm/leon_mm.c @@ -162,7 +162,7 @@ ready: printk(KERN_INFO "swprobe: padde %x\n", paddr_calc); if (paddr) *paddr = paddr_calc; - return paddrbase; + return pte; } void leon_flush_icache_all(void) diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index fc94607..aecc8ed 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -21,7 +21,7 @@ #include <asm/ptrace.h> #include <asm/thread_info.h> #include <asm/irqflags.h> -#include <linux/atomic.h> +#include <asm/atomic_32.h> #include <asm/asm-offsets.h> #include <hv/hypervisor.h> #include <arch/abi.h> diff --git a/arch/tile/lib/atomic_asm_32.S b/arch/tile/lib/atomic_asm_32.S index 1f75a2a..3063804 100644 --- a/arch/tile/lib/atomic_asm_32.S +++ b/arch/tile/lib/atomic_asm_32.S @@ -70,7 +70,7 @@ */ #include <linux/linkage.h> -#include <linux/atomic.h> +#include <asm/atomic_32.h> #include <asm/page.h> #include <asm/processor.h> diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86 index d31ecf3..21bebe6 100644 --- a/arch/um/Kconfig.x86 +++ b/arch/um/Kconfig.x86 @@ -10,6 +10,10 @@ config CMPXCHG_LOCAL bool default n +config CMPXCHG_DOUBLE + bool + default n + source "arch/x86/Kconfig.cpu" endmenu diff --git a/arch/um/Makefile b/arch/um/Makefile index fab8121..c0f712c 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -41,7 +41,7 @@ KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \ $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \ -Din6addr_loopback=kernel_in6addr_loopback \ - -Din6addr_any=kernel_in6addr_any + -Din6addr_any=kernel_in6addr_any -Dstrrchr=kernel_strrchr KBUILD_AFLAGS += $(ARCH_INCLUDE) diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index d51c404..364c8a1 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -399,8 +399,8 @@ int line_setup_irq(int fd, int input, int output, struct line *line, void *data) * is done under a spinlock. Checking whether the device is in use is * line->tty->count > 1, also under the spinlock. * - * tty->count serves to decide whether the device should be enabled or - * disabled on the host. If it's equal to 1, then we are doing the + * line->count serves to decide whether the device should be enabled or + * disabled on the host. If it's equal to 0, then we are doing the * first open or last close. Otherwise, open and close just return. */ @@ -414,16 +414,16 @@ int line_open(struct line *lines, struct tty_struct *tty) goto out_unlock; err = 0; - if (tty->count > 1) + if (line->count++) goto out_unlock; - spin_unlock(&line->count_lock); - + BUG_ON(tty->driver_data); tty->driver_data = line; line->tty = tty; + spin_unlock(&line->count_lock); err = enable_chan(line); - if (err) + if (err) /* line_close() will be called by our caller */ return err; INIT_DELAYED_WORK(&line->task, line_timer_cb); @@ -436,7 +436,7 @@ int line_open(struct line *lines, struct tty_struct *tty) chan_window_size(&line->chan_list, &tty->winsize.ws_row, &tty->winsize.ws_col); - return err; + return 0; out_unlock: spin_unlock(&line->count_lock); @@ -460,17 +460,16 @@ void line_close(struct tty_struct *tty, struct file * filp) flush_buffer(line); spin_lock(&line->count_lock); - if (!line->valid) - goto out_unlock; + BUG_ON(!line->valid); - if (tty->count > 1) + if (--line->count) goto out_unlock; - spin_unlock(&line->count_lock); - line->tty = NULL; tty->driver_data = NULL; + spin_unlock(&line->count_lock); + if (line->sigio) { unregister_winch(tty); line->sigio = 0; @@ -498,7 +497,7 @@ static int setup_one_line(struct line *lines, int n, char *init, int init_prio, spin_lock(&line->count_lock); - if (line->tty != NULL) { + if (line->count) { *error_out = "Device is already open"; goto out; } @@ -722,41 +721,53 @@ struct winch { int pid; struct tty_struct *tty; unsigned long stack; + struct work_struct work; }; -static void free_winch(struct winch *winch, int free_irq_ok) +static void __free_winch(struct work_struct *work) { - if (free_irq_ok) - free_irq(WINCH_IRQ, winch); - - list_del(&winch->list); + struct winch *winch = container_of(work, struct winch, work); + free_irq(WINCH_IRQ, winch); if (winch->pid != -1) os_kill_process(winch->pid, 1); - if (winch->fd != -1) - os_close_file(winch->fd); if (winch->stack != 0) free_stack(winch->stack, 0); kfree(winch); } +static void free_winch(struct winch *winch) +{ + int fd = winch->fd; + winch->fd = -1; + if (fd != -1) + os_close_file(fd); + list_del(&winch->list); + __free_winch(&winch->work); +} + static irqreturn_t winch_interrupt(int irq, void *data) { struct winch *winch = data; struct tty_struct *tty; struct line *line; + int fd = winch->fd; int err; char c; - if (winch->fd != -1) { - err = generic_read(winch->fd, &c, NULL); + if (fd != -1) { + err = generic_read(fd, &c, NULL); if (err < 0) { if (err != -EAGAIN) { + winch->fd = -1; + list_del(&winch->list); + os_close_file(fd); printk(KERN_ERR "winch_interrupt : " "read failed, errno = %d\n", -err); printk(KERN_ERR "fd %d is losing SIGWINCH " "support\n", winch->tty_fd); - free_winch(winch, 0); + INIT_WORK(&winch->work, __free_winch); + schedule_work(&winch->work); return IRQ_HANDLED; } goto out; @@ -828,7 +839,7 @@ static void unregister_winch(struct tty_struct *tty) list_for_each_safe(ele, next, &winch_handlers) { winch = list_entry(ele, struct winch, list); if (winch->tty == tty) { - free_winch(winch, 1); + free_winch(winch); break; } } @@ -844,7 +855,7 @@ static void winch_cleanup(void) list_for_each_safe(ele, next, &winch_handlers) { winch = list_entry(ele, struct winch, list); - free_winch(winch, 1); + free_winch(winch); } spin_unlock(&winch_handler_lock); diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c index 8ac7146..2e1de57 100644 --- a/arch/um/drivers/xterm.c +++ b/arch/um/drivers/xterm.c @@ -123,6 +123,7 @@ static int xterm_open(int input, int output, int primary, void *d, err = -errno; printk(UM_KERN_ERR "xterm_open : unlink failed, errno = %d\n", errno); + close(fd); return err; } close(fd); diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h index ae084ad..1a7d275 100644 --- a/arch/um/include/asm/ptrace-generic.h +++ b/arch/um/include/asm/ptrace-generic.h @@ -42,10 +42,6 @@ extern long subarch_ptrace(struct task_struct *child, long request, unsigned long addr, unsigned long data); extern unsigned long getreg(struct task_struct *child, int regno); extern int putreg(struct task_struct *child, int regno, unsigned long value); -extern int get_fpregs(struct user_i387_struct __user *buf, - struct task_struct *child); -extern int set_fpregs(struct user_i387_struct __user *buf, - struct task_struct *child); extern int arch_copy_tls(struct task_struct *new); extern void clear_flushed_tls(struct task_struct *task); diff --git a/arch/um/include/shared/line.h b/arch/um/include/shared/line.h index 72f4f25..63df3ca 100644 --- a/arch/um/include/shared/line.h +++ b/arch/um/include/shared/line.h @@ -33,6 +33,7 @@ struct line_driver { struct line { struct tty_struct *tty; spinlock_t count_lock; + unsigned long count; int valid; char *init_str; diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h index b0b4589..f1e0aa5 100644 --- a/arch/um/include/shared/registers.h +++ b/arch/um/include/shared/registers.h @@ -16,7 +16,7 @@ extern int restore_fpx_registers(int pid, unsigned long *fp_regs); extern int save_registers(int pid, struct uml_pt_regs *regs); extern int restore_registers(int pid, struct uml_pt_regs *regs); extern int init_registers(int pid); -extern void get_safe_registers(unsigned long *regs); +extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs); extern unsigned long get_thread_reg(int reg, jmp_buf *buf); extern int get_fp_registers(int pid, unsigned long *regs); extern int put_fp_registers(int pid, unsigned long *regs); diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index fab4371..21c1ae7 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -202,7 +202,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, arch_copy_thread(¤t->thread.arch, &p->thread.arch); } else { - get_safe_registers(p->thread.regs.regs.gp); + get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp); p->thread.request.u.thread = current->thread.request.u.thread; handler = new_thread_handler; } diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index 701b672..c9da32b 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -50,23 +50,11 @@ long arch_ptrace(struct task_struct *child, long request, void __user *vp = p; switch (request) { - /* read word at location addr. */ - case PTRACE_PEEKTEXT: - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: ret = peek_user(child, addr, data); break; - /* write the word at location addr. */ - case PTRACE_POKETEXT: - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - /* write the word at location addr in the USER area */ case PTRACE_POKEUSR: ret = poke_user(child, addr, data); @@ -107,16 +95,6 @@ long arch_ptrace(struct task_struct *child, long request, break; } #endif -#ifdef PTRACE_GETFPREGS - case PTRACE_GETFPREGS: /* Get the child FPU state. */ - ret = get_fpregs(vp, child); - break; -#endif -#ifdef PTRACE_SETFPREGS - case PTRACE_SETFPREGS: /* Set the child FPU state. */ - ret = set_fpregs(vp, child); - break; -#endif case PTRACE_GET_THREAD_AREA: ret = ptrace_get_thread_area(child, addr, vp); break; @@ -154,12 +132,6 @@ long arch_ptrace(struct task_struct *child, long request, break; } #endif -#ifdef PTRACE_ARCH_PRCTL - case PTRACE_ARCH_PRCTL: - /* XXX Calls ptrace on the host - needs some SMP thinking */ - ret = arch_prctl(child, data, (void __user *) addr); - break; -#endif default: ret = ptrace_request(child, request, addr, data); if (ret == -EIO) diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c index 830fe6a..b866b9e 100644 --- a/arch/um/os-Linux/registers.c +++ b/arch/um/os-Linux/registers.c @@ -8,6 +8,8 @@ #include <string.h> #include <sys/ptrace.h> #include "sysdep/ptrace.h" +#include "sysdep/ptrace_user.h" +#include "registers.h" int save_registers(int pid, struct uml_pt_regs *regs) { @@ -32,6 +34,7 @@ int restore_registers(int pid, struct uml_pt_regs *regs) /* This is set once at boot time and not changed thereafter */ static unsigned long exec_regs[MAX_REG_NR]; +static unsigned long exec_fp_regs[FP_SIZE]; int init_registers(int pid) { @@ -42,10 +45,14 @@ int init_registers(int pid) return -errno; arch_init_registers(pid); + get_fp_registers(pid, exec_fp_regs); return 0; } -void get_safe_registers(unsigned long *regs) +void get_safe_registers(unsigned long *regs, unsigned long *fp_regs) { memcpy(regs, exec_regs, sizeof(exec_regs)); + + if (fp_regs) + memcpy(fp_regs, exec_fp_regs, sizeof(exec_fp_regs)); } diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c index d261f17..e771398 100644 --- a/arch/um/os-Linux/skas/mem.c +++ b/arch/um/os-Linux/skas/mem.c @@ -39,7 +39,7 @@ static unsigned long syscall_regs[MAX_REG_NR]; static int __init init_syscall_regs(void) { - get_safe_registers(syscall_regs); + get_safe_registers(syscall_regs, NULL); syscall_regs[REGS_IP_INDEX] = STUB_CODE + ((unsigned long) &batch_syscall_stub - (unsigned long) &__syscall_stub_start); diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index d6e0a22..dee0e8c 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -373,6 +373,9 @@ void userspace(struct uml_pt_regs *regs) if (ptrace(PTRACE_SETREGS, pid, 0, regs->gp)) fatal_sigsegv(); + if (put_fp_registers(pid, regs->fp)) + fatal_sigsegv(); + /* Now we set local_using_sysemu to be used for one loop */ local_using_sysemu = get_using_sysemu(); @@ -399,6 +402,12 @@ void userspace(struct uml_pt_regs *regs) fatal_sigsegv(); } + if (get_fp_registers(pid, regs->fp)) { + printk(UM_KERN_ERR "userspace - get_fp_registers failed, " + "errno = %d\n", errno); + fatal_sigsegv(); + } + UPT_SYSCALL_NR(regs) = -1; /* Assume: It's not a syscall */ if (WIFSTOPPED(status)) { @@ -457,10 +466,11 @@ void userspace(struct uml_pt_regs *regs) } static unsigned long thread_regs[MAX_REG_NR]; +static unsigned long thread_fp_regs[FP_SIZE]; static int __init init_thread_regs(void) { - get_safe_registers(thread_regs); + get_safe_registers(thread_regs, thread_fp_regs); /* Set parent's instruction pointer to start of clone-stub */ thread_regs[REGS_IP_INDEX] = STUB_CODE + (unsigned long) stub_clone_handler - @@ -503,6 +513,13 @@ int copy_context_skas0(unsigned long new_stack, int pid) return err; } + err = put_fp_registers(pid, thread_fp_regs); + if (err < 0) { + printk(UM_KERN_ERR "copy_context_skas0 : put_fp_registers " + "failed, pid = %d, err = %d\n", pid, err); + return err; + } + /* set a well known return code for detection of child write failure */ child_data->err = 12345678; diff --git a/arch/um/sys-i386/asm/ptrace.h b/arch/um/sys-i386/asm/ptrace.h index 0273e4d..5d2a591 100644 --- a/arch/um/sys-i386/asm/ptrace.h +++ b/arch/um/sys-i386/asm/ptrace.h @@ -42,11 +42,6 @@ */ struct user_desc; -extern int get_fpxregs(struct user_fxsr_struct __user *buf, - struct task_struct *child); -extern int set_fpxregs(struct user_fxsr_struct __user *buf, - struct task_struct *tsk); - extern int ptrace_get_thread_area(struct task_struct *child, int idx, struct user_desc __user *user_desc); diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c index d23b2d3..3375c27 100644 --- a/arch/um/sys-i386/ptrace.c +++ b/arch/um/sys-i386/ptrace.c @@ -145,7 +145,7 @@ int peek_user(struct task_struct *child, long addr, long data) return put_user(tmp, (unsigned long __user *) data); } -int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_i387_struct fpregs; @@ -161,7 +161,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) return n; } -int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_i387_struct fpregs; @@ -174,7 +174,7 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) (unsigned long *) &fpregs); } -int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) +static int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_fxsr_struct fpregs; @@ -190,7 +190,7 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) return n; } -int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) +static int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_fxsr_struct fpregs; @@ -206,5 +206,23 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) long subarch_ptrace(struct task_struct *child, long request, unsigned long addr, unsigned long data) { - return -EIO; + int ret = -EIO; + void __user *datap = (void __user *) data; + switch (request) { + case PTRACE_GETFPREGS: /* Get the child FPU state. */ + ret = get_fpregs(datap, child); + break; + case PTRACE_SETFPREGS: /* Set the child FPU state. */ + ret = set_fpregs(datap, child); + break; + case PTRACE_GETFPXREGS: /* Get the child FPU state. */ + ret = get_fpxregs(datap, child); + break; + case PTRACE_SETFPXREGS: /* Set the child FPU state. */ + ret = set_fpxregs(datap, child); + break; + default: + ret = -EIO; + } + return ret; } diff --git a/arch/um/sys-i386/shared/sysdep/ptrace.h b/arch/um/sys-i386/shared/sysdep/ptrace.h index d50e62e..c398a50 100644 --- a/arch/um/sys-i386/shared/sysdep/ptrace.h +++ b/arch/um/sys-i386/shared/sysdep/ptrace.h @@ -53,6 +53,7 @@ extern int sysemu_supported; struct uml_pt_regs { unsigned long gp[MAX_REG_NR]; + unsigned long fp[HOST_FPX_SIZE]; struct faultinfo faultinfo; long syscall; int is_user; diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c index f436136..4005506 100644 --- a/arch/um/sys-x86_64/ptrace.c +++ b/arch/um/sys-x86_64/ptrace.c @@ -145,7 +145,7 @@ int is_syscall(unsigned long addr) return instr == 0x050f; } -int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; long fpregs[HOST_FP_SIZE]; @@ -162,7 +162,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) return n; } -int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; long fpregs[HOST_FP_SIZE]; @@ -182,12 +182,16 @@ long subarch_ptrace(struct task_struct *child, long request, void __user *datap = (void __user *) data; switch (request) { - case PTRACE_GETFPXREGS: /* Get the child FPU state. */ + case PTRACE_GETFPREGS: /* Get the child FPU state. */ ret = get_fpregs(datap, child); break; - case PTRACE_SETFPXREGS: /* Set the child FPU state. */ + case PTRACE_SETFPREGS: /* Set the child FPU state. */ ret = set_fpregs(datap, child); break; + case PTRACE_ARCH_PRCTL: + /* XXX Calls ptrace on the host - needs some SMP thinking */ + ret = arch_prctl(child, data, (void __user *) addr); + break; } return ret; diff --git a/arch/um/sys-x86_64/shared/sysdep/ptrace.h b/arch/um/sys-x86_64/shared/sysdep/ptrace.h index fdba545..8ee8f8e 100644 --- a/arch/um/sys-x86_64/shared/sysdep/ptrace.h +++ b/arch/um/sys-x86_64/shared/sysdep/ptrace.h @@ -85,6 +85,7 @@ struct uml_pt_regs { unsigned long gp[MAX_REG_NR]; + unsigned long fp[HOST_FP_SIZE]; struct faultinfo faultinfo; long syscall; int is_user; diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index a0e866d..54edb207 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -672,7 +672,7 @@ ia32_sys_call_table: .quad sys32_vm86_warning /* vm86 */ .quad quiet_ni_syscall /* query_module */ .quad sys_poll - .quad compat_sys_nfsservctl + .quad quiet_ni_syscall /* old nfsservctl */ .quad sys_setresgid16 /* 170 */ .quad sys_getresgid16 .quad sys_prctl diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h index 4554cc6..091508b 100644 --- a/arch/x86/include/asm/alternative-asm.h +++ b/arch/x86/include/asm/alternative-asm.h @@ -16,7 +16,6 @@ #endif .macro altinstruction_entry orig alt feature orig_len alt_len - .align 8 .long \orig - . .long \alt - . .word \feature diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h index 23fb6d7..37ad100 100644 --- a/arch/x86/include/asm/alternative.h +++ b/arch/x86/include/asm/alternative.h @@ -48,9 +48,6 @@ struct alt_instr { u16 cpuid; /* cpuid bit set for replacement */ u8 instrlen; /* length of original instruction */ u8 replacementlen; /* length of new instruction, <= instrlen */ -#ifdef CONFIG_X86_64 - u32 pad2; -#endif }; extern void alternative_instructions(void); @@ -83,7 +80,6 @@ static inline int alternatives_text_reserved(void *start, void *end) \ "661:\n\t" oldinstr "\n662:\n" \ ".section .altinstructions,\"a\"\n" \ - _ASM_ALIGN "\n" \ " .long 661b - .\n" /* label */ \ " .long 663f - .\n" /* new instruction */ \ " .word " __stringify(feature) "\n" /* feature bit */ \ diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 4258aac..88b23a4 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -332,7 +332,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) asm goto("1: jmp %l[t_no]\n" "2:\n" ".section .altinstructions,\"a\"\n" - _ASM_ALIGN "\n" " .long 1b - .\n" " .long 0\n" /* no replacement */ " .word %P0\n" /* feature bit */ @@ -350,7 +349,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) asm volatile("1: movb $0,%0\n" "2:\n" ".section .altinstructions,\"a\"\n" - _ASM_ALIGN "\n" " .long 1b - .\n" " .long 3f - .\n" " .word %P1\n" /* feature bit */ diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h index a518c0a..c59cc97 100644 --- a/arch/x86/include/asm/pvclock.h +++ b/arch/x86/include/asm/pvclock.h @@ -44,7 +44,7 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift) : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) ); #elif defined(__x86_64__) __asm__ ( - "mul %[mul_frac] ; shrd $32, %[hi], %[lo]" + "mulq %[mul_frac] ; shrd $32, %[hi], %[lo]" : [lo]"=a"(product), [hi]"=d"(tmp) : "0"(delta), diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h index d92641c..2010405 100644 --- a/arch/x86/include/asm/unistd_64.h +++ b/arch/x86/include/asm/unistd_64.h @@ -414,7 +414,7 @@ __SYSCALL(__NR_query_module, sys_ni_syscall) __SYSCALL(__NR_quotactl, sys_quotactl) #define __NR_nfsservctl 180 -__SYSCALL(__NR_nfsservctl, sys_nfsservctl) +__SYSCALL(__NR_nfsservctl, sys_ni_syscall) /* reserved for LiS/STREAMS */ #define __NR_getpmsg 181 diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index 64a619d..7ff4669 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -39,7 +39,7 @@ typedef struct xpaddr { ((unsigned long)((u64)CONFIG_XEN_MAX_DOMAIN_MEMORY * 1024 * 1024 * 1024 / PAGE_SIZE)) extern unsigned long *machine_to_phys_mapping; -extern unsigned int machine_to_phys_order; +extern unsigned long machine_to_phys_nr; extern unsigned long get_phys_to_machine(unsigned long pfn); extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn); @@ -87,7 +87,7 @@ static inline unsigned long mfn_to_pfn(unsigned long mfn) if (xen_feature(XENFEAT_auto_translated_physmap)) return mfn; - if (unlikely((mfn >> machine_to_phys_order) != 0)) { + if (unlikely(mfn >= machine_to_phys_nr)) { pfn = ~0; goto try_override; } diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index adc66c3..34b1859 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -207,7 +207,6 @@ static int __cpuinit uv_wakeup_secondary(int phys_apicid, unsigned long start_ri ((start_rip << UVH_IPI_INT_VECTOR_SHFT) >> 12) | APIC_DM_INIT; uv_write_global_mmr64(pnode, UVH_IPI_INT, val); - mdelay(10); val = (1UL << UVH_IPI_INT_SEND_SHFT) | (phys_apicid << UVH_IPI_INT_APIC_ID_SHFT) | diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 08119a3..6b96110 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -149,7 +149,6 @@ struct set_mtrr_data { */ static int mtrr_rendezvous_handler(void *info) { -#ifdef CONFIG_SMP struct set_mtrr_data *data = info; /* @@ -171,7 +170,6 @@ static int mtrr_rendezvous_handler(void *info) } else if (mtrr_aps_delayed_init || !cpu_online(smp_processor_id())) { mtrr_if->set_all(); } -#endif return 0; } diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 4ee3abf..cfa62ec 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1900,6 +1900,9 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) perf_callchain_store(entry, regs->ip); + if (!current->mm) + return; + if (perf_callchain_user32(regs, entry)) return; diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 5c1a9197..f3f6f53 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -54,6 +54,7 @@ #include <asm/ftrace.h> #include <asm/irq_vectors.h> #include <asm/cpufeature.h> +#include <asm/alternative-asm.h> /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ #include <linux/elf-em.h> @@ -873,12 +874,7 @@ ENTRY(simd_coprocessor_error) 661: pushl_cfi $do_general_protection 662: .section .altinstructions,"a" - .balign 4 - .long 661b - .long 663f - .word X86_FEATURE_XMM - .byte 662b-661b - .byte 664f-663f + altinstruction_entry 661b, 663f, X86_FEATURE_XMM, 662b-661b, 664f-663f .previous .section .altinstr_replacement,"ax" 663: pushl $do_simd_coprocessor_error diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c index 3f2ad26..ccdbc16 100644 --- a/arch/x86/kernel/rtc.c +++ b/arch/x86/kernel/rtc.c @@ -42,8 +42,11 @@ int mach_set_rtc_mmss(unsigned long nowtime) { int real_seconds, real_minutes, cmos_minutes; unsigned char save_control, save_freq_select; + unsigned long flags; int retval = 0; + spin_lock_irqsave(&rtc_lock, flags); + /* tell the clock it's being set */ save_control = CMOS_READ(RTC_CONTROL); CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL); @@ -93,12 +96,17 @@ int mach_set_rtc_mmss(unsigned long nowtime) CMOS_WRITE(save_control, RTC_CONTROL); CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); + spin_unlock_irqrestore(&rtc_lock, flags); + return retval; } unsigned long mach_get_cmos_time(void) { unsigned int status, year, mon, day, hour, min, sec, century = 0; + unsigned long flags; + + spin_lock_irqsave(&rtc_lock, flags); /* * If UIP is clear, then we have >= 244 microseconds before @@ -125,6 +133,8 @@ unsigned long mach_get_cmos_time(void) status = CMOS_READ(RTC_CONTROL); WARN_ON_ONCE(RTC_ALWAYS_BCD && (status & RTC_DM_BINARY)); + spin_unlock_irqrestore(&rtc_lock, flags); + if (RTC_ALWAYS_BCD || !(status & RTC_DM_BINARY)) { sec = bcd2bin(sec); min = bcd2bin(min); @@ -169,24 +179,15 @@ EXPORT_SYMBOL(rtc_cmos_write); int update_persistent_clock(struct timespec now) { - unsigned long flags; - int retval; - - spin_lock_irqsave(&rtc_lock, flags); - retval = x86_platform.set_wallclock(now.tv_sec); - spin_unlock_irqrestore(&rtc_lock, flags); - - return retval; + return x86_platform.set_wallclock(now.tv_sec); } /* not static: needed by APM */ void read_persistent_clock(struct timespec *ts) { - unsigned long retval, flags; + unsigned long retval; - spin_lock_irqsave(&rtc_lock, flags); retval = x86_platform.get_wallclock(); - spin_unlock_irqrestore(&rtc_lock, flags); ts->tv_sec = retval; ts->tv_nsec = 0; diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S index fbb0a04..bc19be3 100644 --- a/arch/x86/kernel/syscall_table_32.S +++ b/arch/x86/kernel/syscall_table_32.S @@ -168,7 +168,7 @@ ENTRY(sys_call_table) .long ptregs_vm86 .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* Old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 18ae83d..b56c65de 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -56,7 +56,7 @@ DEFINE_VVAR(struct vsyscall_gtod_data, vsyscall_gtod_data) = .lock = __SEQLOCK_UNLOCKED(__vsyscall_gtod_data.lock), }; -static enum { EMULATE, NATIVE, NONE } vsyscall_mode = EMULATE; +static enum { EMULATE, NATIVE, NONE } vsyscall_mode = NATIVE; static int __init vsyscall_setup(char *str) { diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 988724b..ff5790d 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -22,6 +22,8 @@ config KVM depends on HAVE_KVM # for device assignment: depends on PCI + # for TASKSTATS/TASK_DELAY_ACCT: + depends on NET select PREEMPT_NOTIFIERS select MMU_NOTIFIER select ANON_INODES @@ -31,6 +33,7 @@ config KVM select KVM_ASYNC_PF select USER_RETURN_NOTIFIER select KVM_MMIO + select TASKSTATS select TASK_DELAY_ACCT ---help--- Support hosting fully virtualized guest machines using hardware diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 6f08bc9..8b4cc5f 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -3603,7 +3603,7 @@ done_prefixes: break; case Src2CL: ctxt->src2.bytes = 1; - ctxt->src2.val = ctxt->regs[VCPU_REGS_RCX] & 0x8; + ctxt->src2.val = ctxt->regs[VCPU_REGS_RCX] & 0xff; break; case Src2ImmByte: rc = decode_imm(ctxt, &ctxt->src2, 1, true); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 1c5b693..8e8da79 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -400,7 +400,8 @@ static u64 __update_clear_spte_slow(u64 *sptep, u64 spte) /* xchg acts as a barrier before the setting of the high bits */ orig.spte_low = xchg(&ssptep->spte_low, sspte.spte_low); - orig.spte_high = ssptep->spte_high = sspte.spte_high; + orig.spte_high = ssptep->spte_high; + ssptep->spte_high = sspte.spte_high; count_spte_clear(sptep, spte); return orig.spte; diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 247aae3..0d17c8c 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -17,6 +17,7 @@ #include <asm/traps.h> /* dotraplinkage, ... */ #include <asm/pgalloc.h> /* pgd_*(), ... */ #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */ +#include <asm/vsyscall.h> /* * Page fault error code bits: diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 3032644..87488b9 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -63,9 +63,8 @@ static void __init find_early_table_space(unsigned long end, int use_pse, #ifdef CONFIG_X86_32 /* for fixmap */ tables += roundup(__end_of_fixed_addresses * sizeof(pte_t), PAGE_SIZE); - - good_end = max_pfn_mapped << PAGE_SHIFT; #endif + good_end = max_pfn_mapped << PAGE_SHIFT; base = memblock_find_in_range(start, good_end, tables, PAGE_SIZE); if (base == MEMBLOCK_ERROR) diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index ae3cb23..404f21a 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -43,6 +43,17 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"), }, }, + /* https://bugzilla.kernel.org/show_bug.cgi?id=30552 */ + /* 2006 AMD HT/VIA system with two host bridges */ + { + .callback = set_use_crs, + .ident = "ASUS M2V-MX SE", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "M2V-MX SE"), + DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."), + }, + }, {} }; @@ -360,6 +371,20 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root) } } + /* After the PCI-E bus has been walked and all devices discovered, + * configure any settings of the fabric that might be necessary. + */ + if (bus) { + struct pci_bus *child; + list_for_each_entry(child, &bus->children, node) { + struct pci_dev *self = child->self; + if (!self) + continue; + + pcie_bus_configure_settings(child, self->pcie_mpss); + } + } + if (!bus) kfree(sd); diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index 7000e74b..fe73276 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -678,36 +678,40 @@ static int __init sfi_parse_devs(struct sfi_table_header *table) pentry = (struct sfi_device_table_entry *)sb->pentry; for (i = 0; i < num; i++, pentry++) { - if (pentry->irq != (u8)0xff) { /* native RTE case */ + int irq = pentry->irq; + + if (irq != (u8)0xff) { /* native RTE case */ /* these SPI2 devices are not exposed to system as PCI * devices, but they have separate RTE entry in IOAPIC * so we have to enable them one by one here */ - ioapic = mp_find_ioapic(pentry->irq); + ioapic = mp_find_ioapic(irq); irq_attr.ioapic = ioapic; - irq_attr.ioapic_pin = pentry->irq; + irq_attr.ioapic_pin = irq; irq_attr.trigger = 1; irq_attr.polarity = 1; - io_apic_set_pci_routing(NULL, pentry->irq, &irq_attr); - } + io_apic_set_pci_routing(NULL, irq, &irq_attr); + } else + irq = 0; /* No irq */ + switch (pentry->type) { case SFI_DEV_TYPE_IPC: /* ID as IRQ is a hack that will go away */ - pdev = platform_device_alloc(pentry->name, pentry->irq); + pdev = platform_device_alloc(pentry->name, irq); if (pdev == NULL) { pr_err("out of memory for SFI platform device '%s'.\n", pentry->name); continue; } - install_irq_resource(pdev, pentry->irq); + install_irq_resource(pdev, irq); pr_debug("info[%2d]: IPC bus, name = %16.16s, " - "irq = 0x%2x\n", i, pentry->name, pentry->irq); + "irq = 0x%2x\n", i, pentry->name, irq); sfi_handle_ipc_dev(pdev); break; case SFI_DEV_TYPE_SPI: memset(&spi_info, 0, sizeof(spi_info)); strncpy(spi_info.modalias, pentry->name, SFI_NAME_LEN); - spi_info.irq = pentry->irq; + spi_info.irq = irq; spi_info.bus_num = pentry->host_num; spi_info.chip_select = pentry->addr; spi_info.max_speed_hz = pentry->max_freq; @@ -724,7 +728,7 @@ static int __init sfi_parse_devs(struct sfi_table_header *table) memset(&i2c_info, 0, sizeof(i2c_info)); bus = pentry->host_num; strncpy(i2c_info.type, pentry->name, SFI_NAME_LEN); - i2c_info.irq = pentry->irq; + i2c_info.irq = irq; i2c_info.addr = pentry->addr; pr_debug("info[%2d]: I2C bus = %d, name = %16.16s, " "irq = 0x%2x, addr = 0x%x\n", i, bus, diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c index 73d70d6..6d5dbcd 100644 --- a/arch/x86/platform/mrst/vrtc.c +++ b/arch/x86/platform/mrst/vrtc.c @@ -58,8 +58,11 @@ EXPORT_SYMBOL_GPL(vrtc_cmos_write); unsigned long vrtc_get_time(void) { u8 sec, min, hour, mday, mon; + unsigned long flags; u32 year; + spin_lock_irqsave(&rtc_lock, flags); + while ((vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP)) cpu_relax(); @@ -70,6 +73,8 @@ unsigned long vrtc_get_time(void) mon = vrtc_cmos_read(RTC_MONTH); year = vrtc_cmos_read(RTC_YEAR); + spin_unlock_irqrestore(&rtc_lock, flags); + /* vRTC YEAR reg contains the offset to 1960 */ year += 1960; @@ -83,8 +88,10 @@ unsigned long vrtc_get_time(void) int vrtc_set_mmss(unsigned long nowtime) { int real_sec, real_min; + unsigned long flags; int vrtc_min; + spin_lock_irqsave(&rtc_lock, flags); vrtc_min = vrtc_cmos_read(RTC_MINUTES); real_sec = nowtime % 60; @@ -95,6 +102,8 @@ int vrtc_set_mmss(unsigned long nowtime) vrtc_cmos_write(real_sec, RTC_SECONDS); vrtc_cmos_write(real_min, RTC_MINUTES); + spin_unlock_irqrestore(&rtc_lock, flags); + return 0; } diff --git a/arch/x86/platform/olpc/olpc.c b/arch/x86/platform/olpc/olpc.c index 8b9940e..7cce722 100644 --- a/arch/x86/platform/olpc/olpc.c +++ b/arch/x86/platform/olpc/olpc.c @@ -161,13 +161,13 @@ restart: if (inbuf && inlen) { /* write data to EC */ for (i = 0; i < inlen; i++) { + pr_devel("olpc-ec: sending cmd arg 0x%x\n", inbuf[i]); + outb(inbuf[i], 0x68); if (wait_on_ibf(0x6c, 0)) { printk(KERN_ERR "olpc-ec: timeout waiting for" " EC accept data!\n"); goto err; } - pr_devel("olpc-ec: sending cmd arg 0x%x\n", inbuf[i]); - outb(inbuf[i], 0x68); } } if (outbuf && outlen) { diff --git a/arch/x86/vdso/vdso32/sysenter.S b/arch/x86/vdso/vdso32/sysenter.S index e2800af..e354bce 100644 --- a/arch/x86/vdso/vdso32/sysenter.S +++ b/arch/x86/vdso/vdso32/sysenter.S @@ -43,7 +43,7 @@ __kernel_vsyscall: .space 7,0x90 /* 14: System call restart point is here! (SYSENTER_RETURN-2) */ - jmp .Lenter_kernel + int $0x80 /* 16: System call normal return point is here! */ VDSO32_SYSENTER_RETURN: /* Symbol used by sysenter.c via vdso32-syms.h */ pop %ebp diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 3326204..add2c2d 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -15,7 +15,7 @@ obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ grant-table.o suspend.o platform-pci-unplug.o \ p2m.o -obj-$(CONFIG_FTRACE) += trace.o +obj-$(CONFIG_EVENT_TRACING) += trace.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index e2345af..2d69617 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -77,8 +77,8 @@ EXPORT_SYMBOL_GPL(xen_domain_type); unsigned long *machine_to_phys_mapping = (void *)MACH2PHYS_VIRT_START; EXPORT_SYMBOL(machine_to_phys_mapping); -unsigned int machine_to_phys_order; -EXPORT_SYMBOL(machine_to_phys_order); +unsigned long machine_to_phys_nr; +EXPORT_SYMBOL(machine_to_phys_nr); struct start_info *xen_start_info; EXPORT_SYMBOL_GPL(xen_start_info); diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 8cce339..3dd53f9 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1713,15 +1713,17 @@ static void __init xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn) void __init xen_setup_machphys_mapping(void) { struct xen_machphys_mapping mapping; - unsigned long machine_to_phys_nr_ents; if (HYPERVISOR_memory_op(XENMEM_machphys_mapping, &mapping) == 0) { machine_to_phys_mapping = (unsigned long *)mapping.v_start; - machine_to_phys_nr_ents = mapping.max_mfn + 1; + machine_to_phys_nr = mapping.max_mfn + 1; } else { - machine_to_phys_nr_ents = MACH2PHYS_NR_ENTRIES; + machine_to_phys_nr = MACH2PHYS_NR_ENTRIES; } - machine_to_phys_order = fls(machine_to_phys_nr_ents - 1); +#ifdef CONFIG_X86_32 + WARN_ON((machine_to_phys_mapping + (machine_to_phys_nr - 1)) + < machine_to_phys_mapping); +#endif } #ifdef CONFIG_X86_64 diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index df118a8..46d6d21 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -184,6 +184,19 @@ static unsigned long __init xen_set_identity(const struct e820entry *list, PFN_UP(start_pci), PFN_DOWN(last)); return identity; } + +static unsigned long __init xen_get_max_pages(void) +{ + unsigned long max_pages = MAX_DOMAIN_PAGES; + domid_t domid = DOMID_SELF; + int ret; + + ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid); + if (ret > 0) + max_pages = ret; + return min(max_pages, MAX_DOMAIN_PAGES); +} + /** * machine_specific_memory_setup - Hook for machine specific memory setup. **/ @@ -292,6 +305,14 @@ char * __init xen_memory_setup(void) sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); + extra_limit = xen_get_max_pages(); + if (max_pfn + extra_pages > extra_limit) { + if (extra_limit > max_pfn) + extra_pages = extra_limit - max_pfn; + else + extra_pages = 0; + } + extra_pages += xen_return_unused_memory(xen_start_info->nr_pages, &e820); /* diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index b4533a8..041d4fe 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -32,6 +32,7 @@ #include <xen/page.h> #include <xen/events.h> +#include <xen/hvc-console.h> #include "xen-ops.h" #include "mmu.h" @@ -207,6 +208,15 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus) unsigned cpu; unsigned int i; + if (skip_ioapic_setup) { + char *m = (max_cpus == 0) ? + "The nosmp parameter is incompatible with Xen; " \ + "use Xen dom0_max_vcpus=1 parameter" : + "The noapic parameter is incompatible with Xen"; + + xen_raw_printk(m); + panic(m); + } xen_init_lock_cpu(0); smp_store_cpu_info(0); @@ -521,10 +531,7 @@ static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus) native_smp_prepare_cpus(max_cpus); WARN_ON(xen_smp_intr_init(0)); - if (!xen_have_vector_callback) - return; xen_init_lock_cpu(0); - xen_init_spinlocks(); } static int __cpuinit xen_hvm_cpu_up(unsigned int cpu) @@ -546,6 +553,8 @@ static void xen_hvm_cpu_die(unsigned int cpu) void __init xen_hvm_smp_init(void) { + if (!xen_have_vector_callback) + return; smp_ops.smp_prepare_cpus = xen_hvm_smp_prepare_cpus; smp_ops.smp_send_reschedule = xen_smp_send_reschedule; smp_ops.cpu_up = xen_hvm_cpu_up; diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 5158c50..163b467 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -168,9 +168,10 @@ cycle_t xen_clocksource_read(void) struct pvclock_vcpu_time_info *src; cycle_t ret; - src = &get_cpu_var(xen_vcpu)->time; + preempt_disable_notrace(); + src = &__get_cpu_var(xen_vcpu)->time; ret = pvclock_clocksource_read(src); - put_cpu_var(xen_vcpu); + preempt_enable_notrace(); return ret; } diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S index 22a2093..b040b0e 100644 --- a/arch/x86/xen/xen-asm_32.S +++ b/arch/x86/xen/xen-asm_32.S @@ -113,11 +113,13 @@ xen_iret_start_crit: /* * If there's something pending, mask events again so we can - * jump back into xen_hypervisor_callback + * jump back into xen_hypervisor_callback. Otherwise do not + * touch XEN_vcpu_info_mask. */ - sete XEN_vcpu_info_mask(%eax) + jne 1f + movb $1, XEN_vcpu_info_mask(%eax) - popl %eax +1: popl %eax /* * From this point on the registers are restored and the stack diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h index a6f934f..798ee6d 100644 --- a/arch/xtensa/include/asm/unistd.h +++ b/arch/xtensa/include/asm/unistd.h @@ -455,7 +455,7 @@ __SYSCALL(203, sys_reboot, 3) #define __NR_quotactl 204 __SYSCALL(204, sys_quotactl, 4) #define __NR_nfsservctl 205 -__SYSCALL(205, sys_nfsservctl, 3) +__SYSCALL(205, sys_ni_syscall, 0) #define __NR__sysctl 206 __SYSCALL(206, sys_sysctl, 1) #define __NR_bdflush 207 |