diff options
Diffstat (limited to 'arch/mips')
46 files changed, 181 insertions, 549 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 2ac626a..1986415 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -4,7 +4,6 @@ config MIPS select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE select HAVE_OPROFILE - select HAVE_IRQ_WORK select HAVE_PERF_EVENTS select PERF_USE_VMALLOC select HAVE_ARCH_KGDB @@ -41,6 +40,7 @@ config MIPS select HAVE_MOD_ARCH_SPECIFIC select MODULES_USE_ELF_REL if MODULES select MODULES_USE_ELF_RELA if MODULES && 64BIT + select CLONE_BACKWARDS menu "Machine selection" @@ -170,7 +170,7 @@ config MACH_DECSTATION select SYS_HAS_CPU_R3000 select SYS_HAS_CPU_R4X00 select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL + select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_128HZ select SYS_SUPPORTS_256HZ @@ -206,7 +206,7 @@ config MACH_JAZZ select ISA select SYS_HAS_CPU_R4X00 select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL + select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_100HZ help This a family of machines based on the MIPS R4030 chipset which was @@ -396,7 +396,6 @@ config PNX8550_STB810 config PMC_MSP bool "PMC-Sierra MSP chipsets" - depends on EXPERIMENTAL select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT @@ -495,8 +494,7 @@ config SGI_IP27 here. config SGI_IP28 - bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "SGI IP28 (Indigo2 R10k)" select FW_ARC select FW_ARC64 select BOOT_ELF64 @@ -554,7 +552,6 @@ config SGI_IP32 config SIBYTE_CRHINE bool "Sibyte BCM91120C-CRhine" - depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT select SIBYTE_BCM1120 @@ -565,7 +562,6 @@ config SIBYTE_CRHINE config SIBYTE_CARMEL bool "Sibyte BCM91120x-Carmel" - depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT select SIBYTE_BCM1120 @@ -576,7 +572,6 @@ config SIBYTE_CARMEL config SIBYTE_CRHONE bool "Sibyte BCM91125C-CRhone" - depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT select SIBYTE_BCM1125 @@ -588,7 +583,6 @@ config SIBYTE_CRHONE config SIBYTE_RHONE bool "Sibyte BCM91125E-Rhone" - depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT select SIBYTE_BCM1125H @@ -613,7 +607,6 @@ config SIBYTE_SWARM config SIBYTE_LITTLESUR bool "Sibyte BCM91250C2-LittleSur" - depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT select HAVE_PATA_PLATFORM @@ -627,7 +620,6 @@ config SIBYTE_LITTLESUR config SIBYTE_SENTOSA bool "Sibyte BCM91250E-Sentosa" - depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT select NR_CPUS_DEFAULT_2 @@ -676,7 +668,7 @@ config SNI_RM select R5000_CPU_SCACHE select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL + select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN @@ -780,7 +772,6 @@ config CAVIUM_OCTEON_REFERENCE_BOARD config NLM_XLR_BOARD bool "Netlogic XLR/XLS based systems" - depends on EXPERIMENTAL select BOOT_ELF32 select NLM_COMMON select SYS_HAS_CPU_XLR @@ -809,7 +800,6 @@ config NLM_XLR_BOARD config NLM_XLP_BOARD bool "Netlogic XLP based systems" - depends on EXPERIMENTAL select BOOT_ELF32 select NLM_COMMON select SYS_HAS_CPU_XLP @@ -1375,7 +1365,6 @@ config CPU_R5500 config CPU_R6000 bool "R6000" - depends on EXPERIMENTAL depends on SYS_HAS_CPU_R6000 select CPU_SUPPORTS_32BIT_KERNEL help @@ -1393,7 +1382,6 @@ config CPU_NEVADA config CPU_R8000 bool "R8000" - depends on EXPERIMENTAL depends on SYS_HAS_CPU_R8000 select CPU_HAS_PREFETCH select CPU_SUPPORTS_64BIT_KERNEL @@ -1768,7 +1756,7 @@ config PAGE_SIZE_4KB config PAGE_SIZE_8KB bool "8kB" - depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON + depends on CPU_R8000 || CPU_CAVIUM_OCTEON help Using 8kB page size will result in higher performance kernel at the price of higher memory consumption. This option is available @@ -1795,7 +1783,7 @@ config PAGE_SIZE_32KB config PAGE_SIZE_64KB bool "64kB" - depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX + depends on !CPU_R3000 && !CPU_TX39XX help Using 64kB page size will result in higher performance kernel at the price of higher memory consumption. This option is available on @@ -2161,7 +2149,6 @@ source "mm/Kconfig" config SMP bool "Multi-Processing support" depends on SYS_SUPPORTS_SMP - select IRQ_PER_CPU select USE_GENERIC_SMP_HELPERS help This enables support for systems with more than one CPU. If you have @@ -2312,8 +2299,7 @@ config HZ source "kernel/Kconfig.preempt" config KEXEC - bool "Kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "Kexec system call" help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig index d7af29f..ba61192 100644 --- a/arch/mips/bcm47xx/Kconfig +++ b/arch/mips/bcm47xx/Kconfig @@ -8,8 +8,10 @@ config BCM47XX_SSB select SSB_DRIVER_EXTIF select SSB_EMBEDDED select SSB_B43_PCI_BRIDGE if PCI + select SSB_DRIVER_PCICORE if PCI select SSB_PCICORE_HOSTMODE if PCI select SSB_DRIVER_GPIO + select GPIOLIB default y help Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support. @@ -25,6 +27,7 @@ config BCM47XX_BCMA select BCMA_HOST_PCI if PCI select BCMA_DRIVER_PCI_HOSTMODE if PCI select BCMA_DRIVER_GPIO + select GPIOLIB default y help Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus. diff --git a/arch/mips/bcm47xx/serial.c b/arch/mips/bcm47xx/serial.c index 57981e4..b8ef965 100644 --- a/arch/mips/bcm47xx/serial.c +++ b/arch/mips/bcm47xx/serial.c @@ -62,7 +62,7 @@ static int __init uart8250_init_bcma(void) p->mapbase = (unsigned int) bcma_port->regs; p->membase = (void *) bcma_port->regs; - p->irq = bcma_port->irq + 2; + p->irq = bcma_port->irq; p->uartclk = bcma_port->baud_base; p->regshift = bcma_port->reg_shift; p->iotype = UPIO_MEM; diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index 41dd0088..02f2444 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -317,7 +317,8 @@ void __init plat_swiotlb_setup(void) octeon_swiotlb = alloc_bootmem_low_pages(swiotlbsize); - swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1); + if (swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1) == -ENOMEM) + panic("Cannot allocate SWIOTLB buffer"); mips_dma_map_ops = &octeon_linear_dma_map_ops.dma_map_ops; } diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-util.c b/arch/mips/cavium-octeon/executive/cvmx-helper-util.c index 116dea1..dfdfe8b 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-util.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-util.c @@ -175,7 +175,7 @@ int cvmx_helper_dump_packet(cvmx_wqe_t *work) * Packets will begin slowly dropping when there are less than * this many packet buffers free in FPA 0. * @drop_thresh: - * All incomming packets will be dropped when there are less + * All incoming packets will be dropped when there are less * than this many free packet buffers in FPA 0. * Returns Zero on success. Negative on failure */ @@ -210,7 +210,7 @@ int cvmx_helper_setup_red_queue(int queue, int pass_thresh, int drop_thresh) * Packets will begin slowly dropping when there are less than * this many packet buffers free in FPA 0. * @drop_thresh: - * All incomming packets will be dropped when there are less + * All incoming packets will be dropped when there are less * than this many free packet buffers in FPA 0. * Returns Zero on success. Negative on failure */ diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c index 9f883bf..33b7214 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c +++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c @@ -30,6 +30,7 @@ * measurement, and debugging facilities. */ +#include <linux/compiler.h> #include <linux/irqflags.h> #include <asm/octeon/cvmx.h> #include <asm/octeon/cvmx-l2c.h> @@ -285,22 +286,22 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter) */ static void fault_in(uint64_t addr, int len) { - volatile char *ptr; - volatile char dummy; + char *ptr; + /* * Adjust addr and length so we get all cache lines even for * small ranges spanning two cache lines. */ len += addr & CVMX_CACHE_LINE_MASK; addr &= ~CVMX_CACHE_LINE_MASK; - ptr = (volatile char *)cvmx_phys_to_ptr(addr); + ptr = cvmx_phys_to_ptr(addr); /* * Invalidate L1 cache to make sure all loads result in data * being in L2. */ CVMX_DCACHE_INVALIDATE; while (len > 0) { - dummy += *ptr; + ACCESS_ONCE(*ptr); len -= CVMX_CACHE_LINE_SIZE; ptr += CVMX_CACHE_LINE_SIZE; } diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h index 3c5d146..ebaae96 100644 --- a/arch/mips/include/asm/compat.h +++ b/arch/mips/include/asm/compat.h @@ -288,6 +288,14 @@ struct compat_shmid64_ds { compat_ulong_t __unused2; }; +/* MIPS has unusual order of fields in stack_t */ +typedef struct compat_sigaltstack { + compat_uptr_t ss_sp; + compat_size_t ss_size; + int ss_flags; +} compat_stack_t; +#define compat_sigaltstack compat_sigaltstack + static inline int is_compat_task(void) { return test_thread_flag(TIF_32BIT_ADDR); diff --git a/arch/mips/include/asm/dsp.h b/arch/mips/include/asm/dsp.h index e9bfc08..7bfad05 100644 --- a/arch/mips/include/asm/dsp.h +++ b/arch/mips/include/asm/dsp.h @@ -16,7 +16,7 @@ #include <asm/mipsregs.h> #define DSP_DEFAULT 0x00000000 -#define DSP_MASK 0x3ff +#define DSP_MASK 0x3f #define __enable_dsp_hazard() \ do { \ diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h index ab84064..33c34adb 100644 --- a/arch/mips/include/asm/inst.h +++ b/arch/mips/include/asm/inst.h @@ -353,6 +353,7 @@ union mips_instruction { struct u_format u_format; struct c_format c_format; struct r_format r_format; + struct p_format p_format; struct f_format f_format; struct ma_format ma_format; struct b_format b_format; diff --git a/arch/mips/include/asm/mach-pnx833x/war.h b/arch/mips/include/asm/mach-pnx833x/war.h index edaa06d..e410df4 100644 --- a/arch/mips/include/asm/mach-pnx833x/war.h +++ b/arch/mips/include/asm/mach-pnx833x/war.h @@ -21,4 +21,4 @@ #define R10000_LLSC_WAR 0 #define MIPS34K_MISSED_ITLB_WAR 0 -#endif /* __ASM_MIPS_MACH_PNX8550_WAR_H */ +#endif /* __ASM_MIPS_MACH_PNX833X_WAR_H */ diff --git a/arch/mips/include/asm/octeon/cvmx-helper-util.h b/arch/mips/include/asm/octeon/cvmx-helper-util.h index 6a6e52f..01c8ddd 100644 --- a/arch/mips/include/asm/octeon/cvmx-helper-util.h +++ b/arch/mips/include/asm/octeon/cvmx-helper-util.h @@ -60,7 +60,7 @@ extern int cvmx_helper_dump_packet(cvmx_wqe_t *work); * Packets will begin slowly dropping when there are less than * this many packet buffers free in FPA 0. * @drop_thresh: - * All incomming packets will be dropped when there are less + * All incoming packets will be dropped when there are less * than this many free packet buffers in FPA 0. * Returns Zero on success. Negative on failure */ @@ -74,7 +74,7 @@ extern int cvmx_helper_setup_red_queue(int queue, int pass_thresh, * Packets will begin slowly dropping when there are less than * this many packet buffers free in FPA 0. * @drop_thresh: - * All incomming packets will be dropped when there are less + * All incoming packets will be dropped when there are less * than this many free packet buffers in FPA 0. * Returns Zero on success. Negative on failure */ diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index c631910..013d5f7 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -230,6 +230,7 @@ static inline void pud_clear(pud_t *pudp) #else #define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT)) #define pfn_pte(pfn, prot) __pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) +#define pfn_pmd(pfn, prot) __pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) #endif #define __pgd_offset(address) pgd_index(address) diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h index cf4a080..197f636 100644 --- a/arch/mips/include/asm/signal.h +++ b/arch/mips/include/asm/signal.h @@ -21,4 +21,6 @@ #include <asm/sigcontext.h> #include <asm/siginfo.h> +#define __ARCH_HAS_ODD_SIGACTION + #endif /* _ASM_SIGNAL_H */ diff --git a/arch/mips/include/asm/sim.h b/arch/mips/include/asm/sim.h index 0cd719f..9183180 100644 --- a/arch/mips/include/asm/sim.h +++ b/arch/mips/include/asm/sim.h @@ -20,10 +20,10 @@ #define save_static_function(symbol) \ __asm__( \ ".text\n\t" \ - ".globl\t" #symbol "\n\t" \ + ".globl\t__" #symbol "\n\t" \ ".align\t2\n\t" \ - ".type\t" #symbol ", @function\n\t" \ - ".ent\t" #symbol ", 0\n" \ + ".type\t__" #symbol ", @function\n\t" \ + ".ent\t__" #symbol ", 0\n__" \ #symbol":\n\t" \ ".frame\t$29, 0, $31\n\t" \ "sw\t$16,"__str(PT_R16)"($29)\t\t\t# save_static_function\n\t" \ @@ -35,9 +35,9 @@ __asm__( \ "sw\t$22,"__str(PT_R22)"($29)\n\t" \ "sw\t$23,"__str(PT_R23)"($29)\n\t" \ "sw\t$30,"__str(PT_R30)"($29)\n\t" \ - "j\t_" #symbol "\n\t" \ - ".end\t" #symbol "\n\t" \ - ".size\t" #symbol",. - " #symbol) + "j\t" #symbol "\n\t" \ + ".end\t__" #symbol "\n\t" \ + ".size\t__" #symbol",. - __" #symbol) #define nabi_no_regargs @@ -48,10 +48,10 @@ __asm__( \ #define save_static_function(symbol) \ __asm__( \ ".text\n\t" \ - ".globl\t" #symbol "\n\t" \ + ".globl\t__" #symbol "\n\t" \ ".align\t2\n\t" \ - ".type\t" #symbol ", @function\n\t" \ - ".ent\t" #symbol ", 0\n" \ + ".type\t__" #symbol ", @function\n\t" \ + ".ent\t__" #symbol ", 0\n__" \ #symbol":\n\t" \ ".frame\t$29, 0, $31\n\t" \ "sd\t$16,"__str(PT_R16)"($29)\t\t\t# save_static_function\n\t" \ @@ -63,9 +63,9 @@ __asm__( \ "sd\t$22,"__str(PT_R22)"($29)\n\t" \ "sd\t$23,"__str(PT_R23)"($29)\n\t" \ "sd\t$30,"__str(PT_R30)"($29)\n\t" \ - "j\t_" #symbol "\n\t" \ - ".end\t" #symbol "\n\t" \ - ".size\t" #symbol",. - " #symbol) + "j\t" #symbol "\n\t" \ + ".end\t__" #symbol "\n\t" \ + ".size\t__" #symbol",. - __" #symbol) #define nabi_no_regargs \ unsigned long __dummy0, \ diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index 9e47cc1..64f661e 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -35,7 +35,6 @@ #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION # ifdef CONFIG_32BIT # define __ARCH_WANT_STAT64 # define __ARCH_WANT_SYS_TIME @@ -43,6 +42,8 @@ # ifdef CONFIG_MIPS32_O32 # define __ARCH_WANT_COMPAT_SYS_TIME # endif +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_CLONE /* whitelists for checksyscalls */ #define __IGNORE_select diff --git a/arch/mips/include/uapi/asm/Kbuild b/arch/mips/include/uapi/asm/Kbuild index a1a0452..77d4fb3 100644 --- a/arch/mips/include/uapi/asm/Kbuild +++ b/arch/mips/include/uapi/asm/Kbuild @@ -3,6 +3,7 @@ include include/uapi/asm-generic/Kbuild.asm header-y += auxvec.h header-y += bitsperlong.h +header-y += break.h header-y += byteorder.h header-y += cachectl.h header-y += errno.h diff --git a/arch/mips/include/asm/break.h b/arch/mips/include/uapi/asm/break.h index 9161e68..9161e68 100644 --- a/arch/mips/include/asm/break.h +++ b/arch/mips/include/uapi/asm/break.h diff --git a/arch/mips/include/uapi/asm/signal.h b/arch/mips/include/uapi/asm/signal.h index 770732c..6783c88 100644 --- a/arch/mips/include/uapi/asm/signal.h +++ b/arch/mips/include/uapi/asm/signal.h @@ -96,15 +96,13 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */ #include <asm-generic/signal-defs.h> +#ifndef __KERNEL__ struct sigaction { unsigned int sa_flags; __sighandler_t sa_handler; sigset_t sa_mask; }; - -struct k_sigaction { - struct sigaction sa; -}; +#endif /* IRIX compatible stack_t */ typedef struct sigaltstack { diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h index 17307ab..3e68bfb 100644 --- a/arch/mips/include/uapi/asm/socket.h +++ b/arch/mips/include/uapi/asm/socket.h @@ -28,9 +28,7 @@ #define SO_LINGER 0x0080 /* Block on close of a reliable socket to transmit pending data. */ #define SO_OOBINLINE 0x0100 /* Receive out-of-band data in-band. */ -#if 0 -To add: #define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */ -#endif +#define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */ #define SO_TYPE 0x1008 /* Compatible name for SO_STYLE. */ #define SO_STYLE SO_TYPE /* Synonym */ @@ -90,5 +88,6 @@ To add: #define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */ /* Instruct lower device to use last 4-bytes of skb data as FCS */ #define SO_NOFCS 43 +#define SO_LOCK_FILTER 44 #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/mips/jazz/Kconfig b/arch/mips/jazz/Kconfig index 1f372b0..fb1e072 100644 --- a/arch/mips/jazz/Kconfig +++ b/arch/mips/jazz/Kconfig @@ -1,6 +1,6 @@ config ACER_PICA_61 - bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)" - depends on MACH_JAZZ && EXPERIMENTAL + bool "Support for Acer PICA 1 chipset" + depends on MACH_JAZZ select DMA_NONCOHERENT select SYS_SUPPORTS_LITTLE_ENDIAN help @@ -13,7 +13,7 @@ config MIPS_MAGNUM_4000 bool "Support for MIPS Magnum 4000" depends on MACH_JAZZ select DMA_NONCOHERENT - select SYS_SUPPORTS_BIG_ENDIAN if EXPERIMENTAL + select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN help This is a machine with a R4000 100 MHz CPU. To compile a Linux diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 6a2d758..83fa146 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -25,6 +25,12 @@ #define MCOUNT_OFFSET_INSNS 4 #endif +/* Arch override because MIPS doesn't need to run this from stop_machine() */ +void arch_ftrace_update_code(int command) +{ + ftrace_modify_all_code(command); +} + /* * Check if the address is in kernel space * @@ -89,6 +95,24 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code) return 0; } +#ifndef CONFIG_64BIT +static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1, + unsigned int new_code2) +{ + int faulted; + + safe_store_code(new_code1, ip, faulted); + if (unlikely(faulted)) + return -EFAULT; + ip += 4; + safe_store_code(new_code2, ip, faulted); + if (unlikely(faulted)) + return -EFAULT; + flush_icache_range(ip, ip + 8); /* original ip + 12 */ + return 0; +} +#endif + /* * The details about the calling site of mcount on MIPS * @@ -131,8 +155,18 @@ int ftrace_make_nop(struct module *mod, * needed. */ new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F; - +#ifdef CONFIG_64BIT return ftrace_modify_code(ip, new); +#else + /* + * On 32 bit MIPS platforms, gcc adds a stack adjust + * instruction in the delay slot after the branch to + * mcount and expects mcount to restore the sp on return. + * This is based on a legacy API and does nothing but + * waste instructions so it's being removed at runtime. + */ + return ftrace_modify_code_2(ip, new, INSN_NOP); +#endif } int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 7adab86..253bd8a 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -119,22 +119,6 @@ SYSCALL_DEFINE6(32_pwrite, unsigned int, fd, const char __user *, buf, return sys_pwrite64(fd, buf, count, merge_64(a4, a5)); } -SYSCALL_DEFINE2(32_sched_rr_get_interval, compat_pid_t, pid, - struct compat_timespec __user *, interval) -{ - struct timespec t; - int ret; - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); - ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t); - set_fs(old_fs); - if (put_user (t.tv_sec, &interval->tv_sec) || - __put_user(t.tv_nsec, &interval->tv_nsec)) - return -EFAULT; - return ret; -} - #ifdef CONFIG_SYSVIPC SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third, @@ -295,27 +279,6 @@ asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_a2, merge_64(len_a4, len_a5)); } -save_static_function(sys32_clone); -static int noinline __used -_sys32_clone(nabi_no_regargs struct pt_regs regs) -{ - unsigned long clone_flags; - unsigned long newsp; - int __user *parent_tidptr, *child_tidptr; - - clone_flags = regs.regs[4]; - newsp = regs.regs[5]; - if (!newsp) - newsp = regs.regs[29]; - parent_tidptr = (int __user *) regs.regs[6]; - - /* Use __dummy4 instead of getting it off the stack, so that - syscall() works. */ - child_tidptr = (int __user *) __dummy4; - return do_fork(clone_flags, newsp, 0, - parent_tidptr, child_tidptr); -} - asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf, size_t len) { @@ -328,10 +291,3 @@ 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/mcount.S b/arch/mips/kernel/mcount.S index 4c968e7..1658676 100644 --- a/arch/mips/kernel/mcount.S +++ b/arch/mips/kernel/mcount.S @@ -46,9 +46,8 @@ PTR_L a5, PT_R9(sp) PTR_L a6, PT_R10(sp) PTR_L a7, PT_R11(sp) - PTR_ADDIU sp, PT_SIZE #else - PTR_ADDIU sp, (PT_SIZE + 8) + PTR_ADDIU sp, PT_SIZE #endif .endm @@ -69,7 +68,9 @@ NESTED(ftrace_caller, PT_SIZE, ra) .globl _mcount _mcount: b ftrace_stub - nop + addiu sp,sp,8 + + /* When tracing is activated, it calls ftrace_caller+8 (aka here) */ lw t1, function_trace_stop bnez t1, ftrace_stub nop diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index a11c6f9..a33d2ef8 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -156,7 +156,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, *childregs = *regs; childregs->regs[7] = 0; /* Clear error flag */ childregs->regs[2] = 0; /* Child gets zero as return value */ - childregs->regs[29] = usp; + if (usp) + childregs->regs[29] = usp; ti->addr_limit = USER_DS; p->thread.reg29 = (unsigned long) childregs; diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index d20a4bc..80ff942 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -226,7 +226,7 @@ einval: li v0, -ENOSYS .macro syscalltable sys sys_syscall 8 /* 4000 */ sys sys_exit 1 - sys sys_fork 0 + sys __sys_fork 0 sys sys_read 3 sys sys_write 3 sys sys_open 3 /* 4005 */ @@ -344,7 +344,7 @@ einval: li v0, -ENOSYS sys sys_ipc 6 sys sys_fsync 1 sys sys_sigreturn 0 - sys sys_clone 0 /* 4120 */ + sys __sys_clone 6 /* 4120 */ sys sys_setdomainname 2 sys sys_newuname 1 sys sys_ni_syscall 0 /* sys_modify_ldt */ diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index b64f642..9444ad9 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -170,8 +170,8 @@ sys_call_table: PTR sys_socketpair PTR sys_setsockopt PTR sys_getsockopt - PTR sys_clone /* 5055 */ - PTR sys_fork + PTR __sys_clone /* 5055 */ + PTR __sys_fork PTR sys_execve PTR sys_exit PTR sys_wait4 diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index c29ac19..3b18a8e 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -117,8 +117,8 @@ EXPORT(sysn32_call_table) PTR sys_mprotect /* 6010 */ PTR sys_munmap PTR sys_brk - PTR sys_32_rt_sigaction - PTR sys_32_rt_sigprocmask + PTR compat_sys_rt_sigaction + PTR compat_sys_rt_sigprocmask PTR compat_sys_ioctl /* 6015 */ PTR sys_pread64 PTR sys_pwrite64 @@ -159,8 +159,8 @@ EXPORT(sysn32_call_table) PTR sys_socketpair PTR compat_sys_setsockopt PTR sys_getsockopt - PTR sys_clone /* 6055 */ - PTR sys_fork + PTR __sys_clone /* 6055 */ + PTR __sys_fork PTR compat_sys_execve PTR sys_exit PTR compat_sys_wait4 @@ -229,11 +229,11 @@ EXPORT(sysn32_call_table) PTR sys_getsid PTR sys_capget PTR sys_capset - PTR sys_32_rt_sigpending /* 6125 */ + PTR compat_sys_rt_sigpending /* 6125 */ PTR compat_sys_rt_sigtimedwait - PTR sys_32_rt_sigqueueinfo - PTR sysn32_rt_sigsuspend - PTR sys32_sigaltstack + PTR compat_sys_rt_sigqueueinfo + PTR compat_sys_rt_sigsuspend + PTR compat_sys_sigaltstack PTR compat_sys_utime /* 6130 */ PTR sys_mknod PTR sys_32_personality @@ -249,7 +249,7 @@ EXPORT(sysn32_call_table) PTR sys_sched_getscheduler PTR sys_sched_get_priority_max PTR sys_sched_get_priority_min - PTR sys_32_sched_rr_get_interval /* 6145 */ + PTR compat_sys_sched_rr_get_interval /* 6145 */ PTR sys_mlock PTR sys_munlock PTR sys_mlockall @@ -298,7 +298,7 @@ EXPORT(sysn32_call_table) PTR sys_fremovexattr PTR sys_tkill PTR sys_ni_syscall - PTR sys_32_futex + PTR compat_sys_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 cf3e75e..063cd0d 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -194,7 +194,7 @@ einval: li v0, -ENOSYS sys_call_table: PTR sys32_syscall /* 4000 */ PTR sys_exit - PTR sys_fork + PTR __sys_fork PTR sys_read PTR sys_write PTR compat_sys_open /* 4005 */ @@ -312,7 +312,7 @@ sys_call_table: PTR sys_32_ipc PTR sys_fsync PTR sys32_sigreturn - PTR sys32_clone /* 4120 */ + PTR __sys_clone /* 4120 */ PTR sys_setdomainname PTR sys_newuname PTR sys_ni_syscall /* sys_modify_ldt */ @@ -357,7 +357,7 @@ sys_call_table: PTR sys_sched_yield PTR sys_sched_get_priority_max PTR sys_sched_get_priority_min - PTR sys_32_sched_rr_get_interval /* 4165 */ + PTR compat_sys_sched_rr_get_interval /* 4165 */ PTR compat_sys_nanosleep PTR sys_mremap PTR sys_accept @@ -386,19 +386,19 @@ sys_call_table: PTR sys_getresgid PTR sys_prctl PTR sys32_rt_sigreturn - PTR sys_32_rt_sigaction - PTR sys_32_rt_sigprocmask /* 4195 */ - PTR sys_32_rt_sigpending + PTR compat_sys_rt_sigaction + PTR compat_sys_rt_sigprocmask /* 4195 */ + PTR compat_sys_rt_sigpending PTR compat_sys_rt_sigtimedwait - PTR sys_32_rt_sigqueueinfo - PTR sys32_rt_sigsuspend + PTR compat_sys_rt_sigqueueinfo + PTR compat_sys_rt_sigsuspend PTR sys_32_pread /* 4200 */ PTR sys_32_pwrite PTR sys_chown PTR sys_getcwd PTR sys_capget PTR sys_capset /* 4205 */ - PTR sys32_sigaltstack + PTR compat_sys_sigaltstack PTR sys_32_sendfile PTR sys_ni_syscall PTR sys_ni_syscall @@ -430,7 +430,7 @@ sys_call_table: PTR sys_fremovexattr /* 4235 */ PTR sys_tkill PTR sys_sendfile64 - PTR sys_32_futex + PTR compat_sys_futex PTR compat_sys_sched_setaffinity PTR compat_sys_sched_getaffinity /* 4240 */ PTR compat_sys_io_setup @@ -470,7 +470,7 @@ sys_call_table: PTR compat_sys_mq_notify /* 4275 */ PTR compat_sys_mq_getsetattr PTR sys_ni_syscall /* sys_vserver */ - PTR sys_32_waitid + PTR compat_sys_waitid PTR sys_ni_syscall /* available, was setaltroot */ PTR sys_add_key /* 4280 */ PTR sys_request_key diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index b6aa770..95b019d 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -247,35 +247,12 @@ void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, */ #ifdef CONFIG_TRAD_SIGNALS -asmlinkage int sys_sigsuspend(nabi_no_regargs struct pt_regs regs) +SYSCALL_DEFINE1(sigsuspend, sigset_t __user *, uset) { - sigset_t newset; - sigset_t __user *uset; - - uset = (sigset_t __user *) regs.regs[4]; - if (copy_from_user(&newset, uset, sizeof(sigset_t))) - return -EFAULT; - return sigsuspend(&newset); + return sys_rt_sigsuspend(uset, sizeof(sigset_t)); } #endif -asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) -{ - sigset_t newset; - sigset_t __user *unewset; - size_t sigsetsize; - - /* XXX Don't preclude handling different sized sigset_t's. */ - sigsetsize = regs.regs[5]; - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - unewset = (sigset_t __user *) regs.regs[4]; - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - return sigsuspend(&newset); -} - #ifdef CONFIG_TRAD_SIGNALS SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act, struct sigaction __user *, oact) @@ -317,15 +294,6 @@ SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act, } #endif -asmlinkage int sys_sigaltstack(nabi_no_regargs struct pt_regs regs) -{ - const stack_t __user *uss = (const stack_t __user *) regs.regs[4]; - stack_t __user *uoss = (stack_t __user *) regs.regs[5]; - unsigned long usp = regs.regs[29]; - - return do_sigaltstack(uss, uoss, usp); -} - #ifdef CONFIG_TRAD_SIGNALS asmlinkage void sys_sigreturn(nabi_no_regargs struct pt_regs regs) { @@ -382,9 +350,8 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) else if (sig) force_sig(sig, current); - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ - do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs.regs[29]); + if (restore_altstack(&frame->rs_uc.uc_stack)) + goto badframe; /* * Don't let your children do this ... @@ -461,12 +428,7 @@ static int setup_rt_frame(void *sig_return, struct k_sigaction *ka, /* Create the ucontext. */ err |= __put_user(0, &frame->rs_uc.uc_flags); err |= __put_user(NULL, &frame->rs_uc.uc_link); - err |= __put_user((void __user *)current->sas_ss_sp, - &frame->rs_uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->regs[29]), - &frame->rs_uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, - &frame->rs_uc.uc_stack.ss_size); + err |= __save_altstack(&frame->rs_uc.uc_stack, regs->regs[29]); err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext); err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set)); diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index da1b56a..ad7c2be 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -55,23 +55,10 @@ extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user typedef unsigned int __sighandler32_t; typedef void (*vfptr_t)(void); -struct sigaction32 { - unsigned int sa_flags; - __sighandler32_t sa_handler; - compat_sigset_t sa_mask; -}; - -/* IRIX compatible stack_t */ -typedef struct sigaltstack32 { - s32 ss_sp; - compat_size_t ss_size; - int ss_flags; -} stack32_t; - struct ucontext32 { u32 uc_flags; s32 uc_link; - stack32_t uc_stack; + compat_stack_t uc_stack; struct sigcontext32 uc_mcontext; compat_sigset_t uc_sigmask; /* mask last for extensibility */ }; @@ -280,36 +267,13 @@ static inline int get_sigset(sigset_t *kbuf, const compat_sigset_t __user *ubuf) * Atomically swap in the new signal mask, and wait for a signal. */ -asmlinkage int sys32_sigsuspend(nabi_no_regargs struct pt_regs regs) +asmlinkage int sys32_sigsuspend(compat_sigset_t __user *uset) { - compat_sigset_t __user *uset; - sigset_t newset; - - uset = (compat_sigset_t __user *) regs.regs[4]; - if (get_sigset(&newset, uset)) - return -EFAULT; - return sigsuspend(&newset); -} - -asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) -{ - compat_sigset_t __user *uset; - sigset_t newset; - size_t sigsetsize; - - /* XXX Don't preclude handling different sized sigset_t's. */ - sigsetsize = regs.regs[5]; - if (sigsetsize != sizeof(compat_sigset_t)) - return -EINVAL; - - uset = (compat_sigset_t __user *) regs.regs[4]; - if (get_sigset(&newset, uset)) - return -EFAULT; - return sigsuspend(&newset); + return compat_sys_rt_sigsuspend(uset, sizeof(compat_sigset_t)); } -SYSCALL_DEFINE3(32_sigaction, long, sig, const struct sigaction32 __user *, act, - struct sigaction32 __user *, oact) +SYSCALL_DEFINE3(32_sigaction, long, sig, const struct compat_sigaction __user *, act, + struct compat_sigaction __user *, oact) { struct k_sigaction new_ka, old_ka; int ret; @@ -350,45 +314,6 @@ SYSCALL_DEFINE3(32_sigaction, long, sig, const struct sigaction32 __user *, act, return ret; } -asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs) -{ - const stack32_t __user *uss = (const stack32_t __user *) regs.regs[4]; - stack32_t __user *uoss = (stack32_t __user *) regs.regs[5]; - unsigned long usp = regs.regs[29]; - stack_t kss, koss; - int ret, err = 0; - mm_segment_t old_fs = get_fs(); - s32 sp; - - if (uss) { - if (!access_ok(VERIFY_READ, uss, sizeof(*uss))) - return -EFAULT; - err |= __get_user(sp, &uss->ss_sp); - kss.ss_sp = (void __user *) (long) sp; - err |= __get_user(kss.ss_size, &uss->ss_size); - err |= __get_user(kss.ss_flags, &uss->ss_flags); - if (err) - return -EFAULT; - } - - set_fs(KERNEL_DS); - ret = do_sigaltstack(uss ? (stack_t __user *)&kss : NULL, - uoss ? (stack_t __user *)&koss : NULL, usp); - set_fs(old_fs); - - if (!ret && uoss) { - if (!access_ok(VERIFY_WRITE, uoss, sizeof(*uoss))) - return -EFAULT; - sp = (int) (unsigned long) koss.ss_sp; - err |= __put_user(sp, &uoss->ss_sp); - err |= __put_user(koss.ss_size, &uoss->ss_size); - err |= __put_user(koss.ss_flags, &uoss->ss_flags); - if (err) - return -EFAULT; - } - return ret; -} - int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) { int err; @@ -490,10 +415,7 @@ badframe: asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) { struct rt_sigframe32 __user *frame; - mm_segment_t old_fs; sigset_t set; - stack_t st; - s32 sp; int sig; frame = (struct rt_sigframe32 __user *) regs.regs[29]; @@ -510,22 +432,9 @@ asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) else if (sig) force_sig(sig, current); - /* The ucontext contains a stack32_t, so we must convert! */ - if (__get_user(sp, &frame->rs_uc.uc_stack.ss_sp)) - goto badframe; - st.ss_sp = (void __user *)(long) sp; - if (__get_user(st.ss_size, &frame->rs_uc.uc_stack.ss_size)) - goto badframe; - if (__get_user(st.ss_flags, &frame->rs_uc.uc_stack.ss_flags)) + if (compat_restore_altstack(&frame->rs_uc.uc_stack)) goto badframe; - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ - old_fs = get_fs(); - set_fs(KERNEL_DS); - do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]); - set_fs(old_fs); - /* * Don't let your children do this ... */ @@ -590,7 +499,6 @@ static int setup_rt_frame_32(void *sig_return, struct k_sigaction *ka, { struct rt_sigframe32 __user *frame; int err = 0; - s32 sp; frame = get_sigframe(ka, regs, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame))) @@ -602,13 +510,7 @@ static int setup_rt_frame_32(void *sig_return, struct k_sigaction *ka, /* Create the ucontext. */ err |= __put_user(0, &frame->rs_uc.uc_flags); err |= __put_user(0, &frame->rs_uc.uc_link); - sp = (int) (long) current->sas_ss_sp; - err |= __put_user(sp, - &frame->rs_uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->regs[29]), - &frame->rs_uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, - &frame->rs_uc.uc_stack.ss_size); + err |= __compat_save_altstack(&frame->rs_uc.uc_stack, regs->regs[29]); err |= setup_sigcontext32(regs, &frame->rs_uc.uc_mcontext); err |= __copy_conv_sigset_to_user(&frame->rs_uc.uc_sigmask, set); @@ -656,131 +558,6 @@ struct mips_abi mips_abi_32 = { .restart = __NR_O32_restart_syscall }; -SYSCALL_DEFINE4(32_rt_sigaction, int, sig, - const struct sigaction32 __user *, act, - struct sigaction32 __user *, oact, unsigned int, sigsetsize) -{ - struct k_sigaction new_sa, old_sa; - int ret = -EINVAL; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - goto out; - - if (act) { - s32 handler; - int err = 0; - - if (!access_ok(VERIFY_READ, act, sizeof(*act))) - return -EFAULT; - err |= __get_user(handler, &act->sa_handler); - new_sa.sa.sa_handler = (void __user *)(s64)handler; - err |= __get_user(new_sa.sa.sa_flags, &act->sa_flags); - err |= get_sigset(&new_sa.sa.sa_mask, &act->sa_mask); - if (err) - return -EFAULT; - } - - ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL); - - if (!ret && oact) { - int err = 0; - - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact))) - return -EFAULT; - - err |= __put_user((u32)(u64)old_sa.sa.sa_handler, - &oact->sa_handler); - err |= __put_user(old_sa.sa.sa_flags, &oact->sa_flags); - err |= put_sigset(&old_sa.sa.sa_mask, &oact->sa_mask); - if (err) - return -EFAULT; - } -out: - return ret; -} - -SYSCALL_DEFINE4(32_rt_sigprocmask, int, how, compat_sigset_t __user *, set, - compat_sigset_t __user *, oset, unsigned int, sigsetsize) -{ - sigset_t old_set, new_set; - int ret; - mm_segment_t old_fs = get_fs(); - - if (set && get_sigset(&new_set, set)) - return -EFAULT; - - set_fs(KERNEL_DS); - ret = sys_rt_sigprocmask(how, set ? (sigset_t __user *)&new_set : NULL, - oset ? (sigset_t __user *)&old_set : NULL, - sigsetsize); - set_fs(old_fs); - - if (!ret && oset && put_sigset(&old_set, oset)) - return -EFAULT; - - return ret; -} - -SYSCALL_DEFINE2(32_rt_sigpending, compat_sigset_t __user *, uset, - unsigned int, sigsetsize) -{ - int ret; - sigset_t set; - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); - ret = sys_rt_sigpending((sigset_t __user *)&set, sigsetsize); - set_fs(old_fs); - - if (!ret && put_sigset(&set, uset)) - return -EFAULT; - - return ret; -} - -SYSCALL_DEFINE3(32_rt_sigqueueinfo, int, pid, int, sig, - compat_siginfo_t __user *, uinfo) -{ - siginfo_t info; - int ret; - mm_segment_t old_fs = get_fs(); - - if (copy_from_user(&info, uinfo, 3*sizeof(int)) || - copy_from_user(info._sifields._pad, uinfo->_sifields._pad, SI_PAD_SIZE)) - return -EFAULT; - set_fs(KERNEL_DS); - ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info); - set_fs(old_fs); - return ret; -} - -SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid, - compat_siginfo_t __user *, uinfo, int, options, - struct compat_rusage __user *, uru) -{ - siginfo_t info; - struct rusage ru; - long ret; - mm_segment_t old_fs = get_fs(); - - info.si_signo = 0; - set_fs(KERNEL_DS); - ret = sys_waitid(which, pid, (siginfo_t __user *) &info, options, - uru ? (struct rusage __user *) &ru : NULL); - set_fs(old_fs); - - if (ret < 0 || info.si_signo == 0) - return ret; - - if (uru && (ret = put_compat_rusage(&ru, uru))) - return ret; - - BUG_ON(info.si_code & __SI_MASK); - info.si_code |= __SI_CHLD; - return copy_siginfo_to_user32(uinfo, &info); -} - static int signal32_init(void) { if (cpu_has_fpu) { diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index 3574c14..5f4ef2a 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -50,18 +50,10 @@ extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *); extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *); - -/* IRIX compatible stack_t */ -typedef struct sigaltstack32 { - s32 ss_sp; - compat_size_t ss_size; - int ss_flags; -} stack32_t; - struct ucontextn32 { u32 uc_flags; s32 uc_link; - stack32_t uc_stack; + compat_stack_t uc_stack; struct sigcontext uc_mcontext; compat_sigset_t uc_sigmask; /* mask last for extensibility */ }; @@ -73,34 +65,10 @@ struct rt_sigframe_n32 { struct ucontextn32 rs_uc; }; -extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat); - -asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) -{ - compat_sigset_t __user *unewset; - compat_sigset_t uset; - size_t sigsetsize; - sigset_t newset; - - /* XXX Don't preclude handling different sized sigset_t's. */ - sigsetsize = regs.regs[5]; - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - unewset = (compat_sigset_t __user *) regs.regs[4]; - if (copy_from_user(&uset, unewset, sizeof(uset))) - return -EFAULT; - sigset_from_compat(&newset, &uset); - return sigsuspend(&newset); -} - asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) { struct rt_sigframe_n32 __user *frame; - mm_segment_t old_fs; sigset_t set; - stack_t st; - s32 sp; int sig; frame = (struct rt_sigframe_n32 __user *) regs.regs[29]; @@ -117,23 +85,9 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) else if (sig) force_sig(sig, current); - /* The ucontext contains a stack32_t, so we must convert! */ - if (__get_user(sp, &frame->rs_uc.uc_stack.ss_sp)) - goto badframe; - st.ss_sp = (void __user *)(long) sp; - if (__get_user(st.ss_size, &frame->rs_uc.uc_stack.ss_size)) - goto badframe; - if (__get_user(st.ss_flags, &frame->rs_uc.uc_stack.ss_flags)) + if (compat_restore_altstack(&frame->rs_uc.uc_stack)) goto badframe; - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ - old_fs = get_fs(); - set_fs(KERNEL_DS); - do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]); - set_fs(old_fs); - - /* * Don't let your children do this ... */ @@ -153,7 +107,6 @@ static int setup_rt_frame_n32(void *sig_return, struct k_sigaction *ka, { struct rt_sigframe_n32 __user *frame; int err = 0; - s32 sp; frame = get_sigframe(ka, regs, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame))) @@ -165,13 +118,7 @@ static int setup_rt_frame_n32(void *sig_return, struct k_sigaction *ka, /* Create the ucontext. */ err |= __put_user(0, &frame->rs_uc.uc_flags); err |= __put_user(0, &frame->rs_uc.uc_link); - sp = (int) (long) current->sas_ss_sp; - err |= __put_user(sp, - &frame->rs_uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->regs[29]), - &frame->rs_uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, - &frame->rs_uc.uc_stack.ss_size); + err |= __compat_save_altstack(&frame->rs_uc.uc_stack, regs->regs[29]); err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext); err |= __copy_conv_sigset_to_user(&frame->rs_uc.uc_sigmask, set); diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 201cb76..b32466a 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -46,20 +46,14 @@ * argument. Historically that used to be expensive in Linux. These days * the performance advantage is negligible. */ -asmlinkage int sysm_pipe(nabi_no_regargs volatile struct pt_regs regs) +asmlinkage int sysm_pipe(void) { int fd[2]; - int error, res; - - error = do_pipe_flags(fd, 0); - if (error) { - res = error; - goto out; - } - regs.regs[3] = fd[1]; - res = fd[0]; -out: - return res; + int error = do_pipe_flags(fd, 0); + if (error) + return error; + current_pt_regs()->regs[3] = fd[1]; + return fd[0]; } SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len, @@ -89,43 +83,7 @@ SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len, } save_static_function(sys_fork); -static int __used noinline -_sys_fork(nabi_no_regargs struct pt_regs regs) -{ - return do_fork(SIGCHLD, regs.regs[29], 0, NULL, NULL); -} - save_static_function(sys_clone); -static int __used noinline -_sys_clone(nabi_no_regargs struct pt_regs regs) -{ - unsigned long clone_flags; - unsigned long newsp; - int __user *parent_tidptr, *child_tidptr; - - clone_flags = regs.regs[4]; - newsp = regs.regs[5]; - if (!newsp) - newsp = regs.regs[29]; - parent_tidptr = (int __user *) regs.regs[6]; -#ifdef CONFIG_32BIT - /* We need to fetch the fifth argument off the stack. */ - child_tidptr = NULL; - if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)) { - int __user *__user *usp = (int __user *__user *) regs.regs[29]; - if (regs.regs[2] == __NR_syscall) { - if (get_user (child_tidptr, &usp[5])) - return -EFAULT; - } - else if (get_user (child_tidptr, &usp[4])) - return -EFAULT; - } -#else - child_tidptr = (int __user *) regs.regs[8]; -#endif - return do_fork(clone_flags, newsp, 0, - parent_tidptr, child_tidptr); -} SYSCALL_DEFINE1(set_thread_area, unsigned long, addr) { @@ -138,10 +96,10 @@ SYSCALL_DEFINE1(set_thread_area, unsigned long, addr) return 0; } -static inline int mips_atomic_set(struct pt_regs *regs, - unsigned long addr, unsigned long new) +static inline int mips_atomic_set(unsigned long addr, unsigned long new) { unsigned long old, tmp; + struct pt_regs *regs; unsigned int err; if (unlikely(addr & 3)) @@ -222,6 +180,7 @@ static inline int mips_atomic_set(struct pt_regs *regs, if (unlikely(err)) return err; + regs = current_pt_regs(); regs->regs[2] = old; regs->regs[7] = 0; /* No error */ @@ -235,22 +194,14 @@ static inline int mips_atomic_set(struct pt_regs *regs, : "r" (regs)); /* unreached. Honestly. */ - while (1); + unreachable(); } -save_static_function(sys_sysmips); -static int __used noinline -_sys_sysmips(nabi_no_regargs struct pt_regs regs) +SYSCALL_DEFINE3(sysmips, long, cmd, long, arg1, long, arg2) { - long cmd, arg1, arg2; - - cmd = regs.regs[4]; - arg1 = regs.regs[5]; - arg2 = regs.regs[6]; - switch (cmd) { case MIPS_ATOMIC_SET: - return mips_atomic_set(®s, arg1, arg2); + return mips_atomic_set(arg1, arg2); case MIPS_FIXADE: if (arg1 & ~3) diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index cf7ac54..9007966 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -396,7 +396,7 @@ void __noreturn die(const char *str, struct pt_regs *regs) printk("%s[#%d]:\n", str, ++die_counter); show_registers(regs); - add_taint(TAINT_DIE); + add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE); raw_spin_unlock_irq(&die_lock); oops_exit(); diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index d75a528..2993365 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -705,7 +705,7 @@ static int vpe_run(struct vpe * v) printk(KERN_WARNING "VPE loader: TC %d is already in use.\n", - t->index); + v->tc->index); return -ENOEXEC; } } else { diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index f36acd1..a7935bf 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -408,7 +408,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent) #endif /* tell oprofile which irq to use */ - cp0_perfcount_irq = LTQ_PERF_IRQ; + cp0_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ); /* * if the timer irq is not one of the mips irqs we need to diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c index e44a1866..08f7ebd 100644 --- a/arch/mips/lantiq/xway/dma.c +++ b/arch/mips/lantiq/xway/dma.c @@ -21,6 +21,7 @@ #include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/clk.h> +#include <linux/err.h> #include <lantiq_soc.h> #include <xway_dma.h> @@ -223,8 +224,8 @@ ltq_dma_init(struct platform_device *pdev) panic("Failed to get dma resource"); /* remap dma register range */ - ltq_dma_membase = devm_request_and_ioremap(&pdev->dev, res); - if (!ltq_dma_membase) + ltq_dma_membase = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(ltq_dma_membase)) panic("Failed to remap dma resource"); /* power up and reset the dma engine */ diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c index e30b1ed..9861c86 100644 --- a/arch/mips/lantiq/xway/gptu.c +++ b/arch/mips/lantiq/xway/gptu.c @@ -150,11 +150,9 @@ static int gptu_probe(struct platform_device *pdev) } /* remap gptu register range */ - gptu_membase = devm_request_and_ioremap(&pdev->dev, res); - if (!gptu_membase) { - dev_err(&pdev->dev, "Failed to remap resource\n"); - return -ENOMEM; - } + gptu_membase = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(gptu_membase)) + return PTR_ERR(gptu_membase); /* enable our clock */ clk = clk_get(&pdev->dev, NULL); diff --git a/arch/mips/lib/delay.c b/arch/mips/lib/delay.c index dc81ca8..288f795 100644 --- a/arch/mips/lib/delay.c +++ b/arch/mips/lib/delay.c @@ -21,7 +21,7 @@ void __delay(unsigned long loops) " .set noreorder \n" " .align 3 \n" "1: bnez %0, 1b \n" -#if __SIZEOF_LONG__ == 4 +#if BITS_PER_LONG == 32 " subu %0, 1 \n" #else " dsubu %0, 1 \n" diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c index 7657fd2..cacfd31 100644 --- a/arch/mips/mm/ioremap.c +++ b/arch/mips/mm/ioremap.c @@ -190,9 +190,3 @@ void __iounmap(const volatile void __iomem *addr) EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(__iounmap); - -int __virt_addr_valid(const volatile void *kaddr) -{ - return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); -} -EXPORT_SYMBOL_GPL(__virt_addr_valid); diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index d9be754..7e5fe27 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -192,3 +192,9 @@ unsigned long arch_randomize_brk(struct mm_struct *mm) return ret; } + +int __virt_addr_valid(const volatile void *kaddr) +{ + return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); +} +EXPORT_SYMBOL_GPL(__virt_addr_valid); diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c index 4e7f49d..c5ce699 100644 --- a/arch/mips/netlogic/xlr/setup.c +++ b/arch/mips/netlogic/xlr/setup.c @@ -193,8 +193,11 @@ static void nlm_init_node(void) void __init prom_init(void) { - int i, *argv, *envp; /* passed as 32 bit ptrs */ + int *argv, *envp; /* passed as 32 bit ptrs */ struct psb_info *prom_infop; +#ifdef CONFIG_SMP + int i; +#endif /* truncate to 32 bit and sign extend all args */ argv = (int *)(long)(int)fw_arg1; diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c index 1552522..6eaa4f2 100644 --- a/arch/mips/pci/pci-ar71xx.c +++ b/arch/mips/pci/pci-ar71xx.c @@ -24,7 +24,7 @@ #include <asm/mach-ath79/pci.h> #define AR71XX_PCI_MEM_BASE 0x10000000 -#define AR71XX_PCI_MEM_SIZE 0x08000000 +#define AR71XX_PCI_MEM_SIZE 0x07000000 #define AR71XX_PCI_WIN0_OFFS 0x10000000 #define AR71XX_PCI_WIN1_OFFS 0x11000000 diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c index 86d77a6..c11c75b 100644 --- a/arch/mips/pci/pci-ar724x.c +++ b/arch/mips/pci/pci-ar724x.c @@ -21,7 +21,7 @@ #define AR724X_PCI_CTRL_SIZE 0x100 #define AR724X_PCI_MEM_BASE 0x10000000 -#define AR724X_PCI_MEM_SIZE 0x08000000 +#define AR724X_PCI_MEM_SIZE 0x04000000 #define AR724X_PCI_REG_RESET 0x18 #define AR724X_PCI_REG_INT_STATUS 0x4c diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 9568178..910fb4c 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -214,13 +214,13 @@ static int ltq_pci_probe(struct platform_device *pdev) return -EINVAL; } - ltq_pci_membase = devm_request_and_ioremap(&pdev->dev, res_bridge); - ltq_pci_mapped_cfg = devm_request_and_ioremap(&pdev->dev, res_cfg); + ltq_pci_membase = devm_ioremap_resource(&pdev->dev, res_bridge); + if (IS_ERR(ltq_pci_membase)) + return PTR_ERR(ltq_pci_membase); - if (!ltq_pci_membase || !ltq_pci_mapped_cfg) { - dev_err(&pdev->dev, "failed to remap resources\n"); - return -ENOMEM; - } + ltq_pci_mapped_cfg = devm_ioremap_resource(&pdev->dev, res_cfg); + if (IS_ERR(ltq_pci_mapped_cfg)) + return PTR_ERR(ltq_pci_mapped_cfg); ltq_pci_startup(pdev); diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig index 4b2ea28..4d8705a 100644 --- a/arch/mips/sgi-ip27/Kconfig +++ b/arch/mips/sgi-ip27/Kconfig @@ -13,7 +13,6 @@ config SGI_SN_M_MODE config SGI_SN_N_MODE bool "IP27 N-Mode" - depends on EXPERIMENTAL help The nodes of Origin, Onyx, Fuel and Tezro systems can be configured in either N-Modes which allows for more nodes or M-Mode which allows diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c index 9cb9d43..e05ad4d 100644 --- a/arch/mips/sni/a20r.c +++ b/arch/mips/sni/a20r.c @@ -118,7 +118,7 @@ static struct resource sc26xx_rsrc[] = { } }; -#include <linux/platform_data/sccnxp.h> +#include <linux/platform_data/serial-sccnxp.h> static struct sccnxp_pdata sccnxp_data = { .reg_shift = 2, |
