diff options
Diffstat (limited to 'arch')
80 files changed, 403 insertions, 163 deletions
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 88e608aebc8..842dba308ea 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -387,8 +387,9 @@ EXPORT_SYMBOL(dump_elf_task_fp); * sys_execve() executes a new program. */ asmlinkage int -do_sys_execve(const char __user *ufilename, char __user * __user *argv, - char __user * __user *envp, struct pt_regs *regs) +do_sys_execve(const char __user *ufilename, + const char __user *const __user *argv, + const char __user *const __user *envp, struct pt_regs *regs) { int error; char *filename; diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 99b8200138d..59c1ce858fc 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -21,6 +21,9 @@ GZFLAGS :=-9 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: KBUILD_CFLAGS +=$(call cc-option,-marm,) +# Never generate .eh_frame +KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) + # Do not use arch/arm/defconfig - it's always outdated. # Select a platform tht is kept up-to-date KBUILD_DEFCONFIG := versatile_defconfig diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index c974be8913a..7ce15eb15f7 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -158,15 +158,24 @@ struct pt_regs { */ static inline int valid_user_regs(struct pt_regs *regs) { - if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) { - regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT); - return 1; + unsigned long mode = regs->ARM_cpsr & MODE_MASK; + + /* + * Always clear the F (FIQ) and A (delayed abort) bits + */ + regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT); + + if ((regs->ARM_cpsr & PSR_I_BIT) == 0) { + if (mode == USR_MODE) + return 1; + if (elf_hwcap & HWCAP_26BIT && mode == USR26_MODE) + return 1; } /* * Force CPSR to something logical... */ - regs->ARM_cpsr &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | PSR_T_BIT | MODE32_BIT; + regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT; if (!(elf_hwcap & HWCAP_26BIT)) regs->ARM_cpsr |= USR_MODE; diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index dd2bf53000f..d02cfb68348 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -392,6 +392,7 @@ #define __NR_rt_tgsigqueueinfo (__NR_SYSCALL_BASE+363) #define __NR_perf_event_open (__NR_SYSCALL_BASE+364) #define __NR_recvmmsg (__NR_SYSCALL_BASE+365) +#define __NR_accept4 (__NR_SYSCALL_BASE+366) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 37ae301cc47..afeb71fa72c 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -375,6 +375,7 @@ CALL(sys_rt_tgsigqueueinfo) CALL(sys_perf_event_open) /* 365 */ CALL(sys_recvmmsg) + CALL(sys_accept4) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c index 778c2f7024f..d6e8b4d2e60 100644 --- a/arch/arm/kernel/kgdb.c +++ b/arch/arm/kernel/kgdb.c @@ -79,7 +79,7 @@ sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task) return; /* Initialize to zero */ - for (regno = 0; regno < GDB_MAX_REGS; regno++) + for (regno = 0; regno < DBG_MAX_REG_NUM; regno++) gdb_regs[regno] = 0; /* Otherwise, we have only some registers from switch_to() */ diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index 5b7c541a4c6..62e7c61d034 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -62,8 +62,9 @@ asmlinkage int sys_vfork(struct pt_regs *regs) /* sys_execve() executes a new program. * This is called indirectly via a small wrapper */ -asmlinkage int sys_execve(const char __user *filenamei, char __user * __user *argv, - char __user * __user *envp, struct pt_regs *regs) +asmlinkage int sys_execve(const char __user *filenamei, + const char __user *const __user *argv, + const char __user *const __user *envp, struct pt_regs *regs) { int error; char * filename; @@ -78,14 +79,17 @@ out: return error; } -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { struct pt_regs regs; int ret; memset(®s, 0, sizeof(struct pt_regs)); - ret = do_execve(filename, (char __user * __user *)argv, - (char __user * __user *)envp, ®s); + ret = do_execve(filename, + (const char __user *const __user *)argv, + (const char __user *const __user *)envp, ®s); if (ret < 0) goto out; diff --git a/arch/arm/plat-samsung/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c index b0f93f11e28..9d2be094141 100644 --- a/arch/arm/plat-samsung/dev-hsmmc.c +++ b/arch/arm/plat-samsung/dev-hsmmc.c @@ -70,4 +70,6 @@ void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd) set->cfg_gpio = pd->cfg_gpio; if (pd->cfg_card) set->cfg_card = pd->cfg_card; + if (pd->host_caps) + set->host_caps = pd->host_caps; } diff --git a/arch/arm/plat-samsung/dev-hsmmc1.c b/arch/arm/plat-samsung/dev-hsmmc1.c index 1504fd80286..a6c8295840a 100644 --- a/arch/arm/plat-samsung/dev-hsmmc1.c +++ b/arch/arm/plat-samsung/dev-hsmmc1.c @@ -70,4 +70,6 @@ void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd) set->cfg_gpio = pd->cfg_gpio; if (pd->cfg_card) set->cfg_card = pd->cfg_card; + if (pd->host_caps) + set->host_caps = pd->host_caps; } diff --git a/arch/arm/plat-samsung/dev-hsmmc2.c b/arch/arm/plat-samsung/dev-hsmmc2.c index b28ef173444..cb0d7143381 100644 --- a/arch/arm/plat-samsung/dev-hsmmc2.c +++ b/arch/arm/plat-samsung/dev-hsmmc2.c @@ -71,4 +71,6 @@ void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd) set->cfg_gpio = pd->cfg_gpio; if (pd->cfg_card) set->cfg_card = pd->cfg_card; + if (pd->host_caps) + set->host_caps = pd->host_caps; } diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index e5daddff397..9c46aaad11c 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -384,8 +384,9 @@ asmlinkage int sys_vfork(struct pt_regs *regs) } asmlinkage int sys_execve(const char __user *ufilename, - char __user *__user *uargv, - char __user *__user *uenvp, struct pt_regs *regs) + const char __user *const __user *uargv, + const char __user *const __user *uenvp, + struct pt_regs *regs) { int error; char *filename; diff --git a/arch/avr32/kernel/sys_avr32.c b/arch/avr32/kernel/sys_avr32.c index 459349b5ed5..62635a09ae3 100644 --- a/arch/avr32/kernel/sys_avr32.c +++ b/arch/avr32/kernel/sys_avr32.c @@ -7,7 +7,9 @@ */ #include <linux/unistd.h> -int kernel_execve(const char *file, char **argv, char **envp) +int kernel_execve(const char *file, + const char *const *argv, + const char *const *envp) { register long scno asm("r8") = __NR_execve; register long sc1 asm("r12") = (long)file; diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h index d5872cd967a..3f7ef4d9779 100644 --- a/arch/blackfin/include/asm/bitops.h +++ b/arch/blackfin/include/asm/bitops.h @@ -22,7 +22,9 @@ #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/const_hweight.h> #include <asm-generic/bitops/lock.h> + #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> #include <asm-generic/bitops/minix.h> @@ -115,7 +117,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) * of bits set) of a N-bit word */ -static inline unsigned int hweight32(unsigned int w) +static inline unsigned int __arch_hweight32(unsigned int w) { unsigned int res; @@ -125,19 +127,20 @@ static inline unsigned int hweight32(unsigned int w) return res; } -static inline unsigned int hweight64(__u64 w) +static inline unsigned int __arch_hweight64(__u64 w) { - return hweight32((unsigned int)(w >> 32)) + hweight32((unsigned int)w); + return __arch_hweight32((unsigned int)(w >> 32)) + + __arch_hweight32((unsigned int)w); } -static inline unsigned int hweight16(unsigned int w) +static inline unsigned int __arch_hweight16(unsigned int w) { - return hweight32(w & 0xffff); + return __arch_hweight32(w & 0xffff); } -static inline unsigned int hweight8(unsigned int w) +static inline unsigned int __arch_hweight8(unsigned int w) { - return hweight32(w & 0xff); + return __arch_hweight32(w & 0xff); } #endif /* _BLACKFIN_BITOPS_H */ diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h index 22886cbdae7..14fcd254b18 100644 --- a/arch/blackfin/include/asm/unistd.h +++ b/arch/blackfin/include/asm/unistd.h @@ -389,8 +389,11 @@ #define __NR_rt_tgsigqueueinfo 368 #define __NR_perf_event_open 369 #define __NR_recvmmsg 370 +#define __NR_fanotify_init 371 +#define __NR_fanotify_mark 372 +#define __NR_prlimit64 373 -#define __NR_syscall 371 +#define __NR_syscall 374 #define NR_syscalls __NR_syscall /* Old optional stuff no one actually uses */ diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index a566f61c002..01f98cb964d 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -209,7 +209,9 @@ copy_thread(unsigned long clone_flags, /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(const char __user *name, char __user * __user *argv, char __user * __user *envp) +asmlinkage int sys_execve(const char __user *name, + const char __user *const __user *argv, + const char __user *const __user *envp) { int error; char *filename; diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index a5847f5d67c..af1bffa21dc 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -1628,6 +1628,9 @@ ENTRY(_sys_call_table) .long _sys_rt_tgsigqueueinfo .long _sys_perf_event_open .long _sys_recvmmsg /* 370 */ + .long _sys_fanotify_init + .long _sys_fanotify_mark + .long _sys_prlimit64 .rept NR_syscalls-(.-_sys_call_table)/4 .long _sys_ni_syscall diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index 93f0f64b132..9a57db6907f 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -204,7 +204,9 @@ asmlinkage int sys_vfork(long r10, long r11, long r12, long r13, long mof, long /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(const char *fname, char **argv, char **envp, +asmlinkage int sys_execve(const char *fname, + const char *const *argv, + const char *const *envp, long r13, long mof, long srp, struct pt_regs *regs) { diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c index 2661a9529d7..562f8471890 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -218,8 +218,10 @@ sys_vfork(long r10, long r11, long r12, long r13, long mof, long srp, /* sys_execve() executes a new program. */ asmlinkage int -sys_execve(const char *fname, char **argv, char **envp, long r13, long mof, long srp, - struct pt_regs *regs) +sys_execve(const char *fname, + const char *const *argv, + const char *const *envp, long r13, long mof, long srp, + struct pt_regs *regs) { int error; char *filename; diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 428931cf2f0..2b63b0191f5 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -250,8 +250,9 @@ int copy_thread(unsigned long clone_flags, /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(const char __user *name, char __user * __user *argv, - char __user * __user *envp) +asmlinkage int sys_execve(const char __user *name, + const char __user *const __user *argv, + const char __user *const __user *envp) { int error; char * filename; diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c index 8b7b78d77d5..97478138e36 100644 --- a/arch/h8300/kernel/process.c +++ b/arch/h8300/kernel/process.c @@ -212,7 +212,10 @@ int copy_thread(unsigned long clone_flags, /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(const char *name, char **argv, char **envp,int dummy,...) +asmlinkage int sys_execve(const char *name, + const char *const *argv, + const char *const *envp, + int dummy, ...) { int error; char * filename; diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c index f9b3f44da69..dc1ac0243b7 100644 --- a/arch/h8300/kernel/sys_h8300.c +++ b/arch/h8300/kernel/sys_h8300.c @@ -51,7 +51,9 @@ asmlinkage void syscall_print(void *dummy,...) * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register long res __asm__("er0"); register char *const *_c __asm__("er3") = envp; diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h index 87f1bd1efc8..954d398a54b 100644 --- a/arch/ia64/include/asm/unistd.h +++ b/arch/ia64/include/asm/unistd.h @@ -356,8 +356,6 @@ asmlinkage unsigned long sys_mmap2( int fd, long pgoff); struct pt_regs; struct sigaction; -long sys_execve(const char __user *filename, char __user * __user *argv, - char __user * __user *envp, struct pt_regs *regs); asmlinkage long sys_ia64_pipe(void); asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act, diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index a879c03b7f1..16f1c7b04c6 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -633,7 +633,9 @@ dump_fpu (struct pt_regs *pt, elf_fpregset_t dst) } long -sys_execve (const char __user *filename, char __user * __user *argv, char __user * __user *envp, +sys_execve (const char __user *filename, + const char __user *const __user *argv, + const char __user *const __user *envp, struct pt_regs *regs) { char *fname; diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index 8665a4d868e..422bea9f1db 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -289,8 +289,8 @@ asmlinkage int sys_vfork(unsigned long r0, unsigned long r1, unsigned long r2, * sys_execve() executes a new program. */ asmlinkage int sys_execve(const char __user *ufilename, - char __user * __user *uargv, - char __user * __user *uenvp, + const char __user *const __user *uargv, + const char __user *const __user *uenvp, unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, struct pt_regs regs) { diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c index 0a00f467edf..d841fb6cc70 100644 --- a/arch/m32r/kernel/sys_m32r.c +++ b/arch/m32r/kernel/sys_m32r.c @@ -93,7 +93,9 @@ asmlinkage int sys_cachectl(char *addr, int nbytes, int op) * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register long __scno __asm__ ("r7") = __NR_execve; register long __arg3 __asm__ ("r2") = (long)(envp); diff --git a/arch/m68k/include/asm/ide.h b/arch/m68k/include/asm/ide.h index 3958726664b..492fee8a1ab 100644 --- a/arch/m68k/include/asm/ide.h +++ b/arch/m68k/include/asm/ide.h @@ -1,6 +1,4 @@ /* - * linux/include/asm-m68k/ide.h - * * Copyright (C) 1994-1996 Linus Torvalds & authors */ @@ -34,6 +32,8 @@ #include <asm/io.h> #include <asm/irq.h> +#ifdef CONFIG_MMU + /* * Get rid of defs from io.h - ide has its private and conflicting versions * Since so far no single m68k platform uses ISA/PCI I/O space for IDE, we @@ -53,5 +53,14 @@ #define __ide_mm_outsw(port, addr, n) raw_outsw((u16 *)port, addr, n) #define __ide_mm_outsl(port, addr, n) raw_outsl((u32 *)port, addr, n) +#else + +#define __ide_mm_insw(port, addr, n) io_insw((unsigned int)port, addr, n) +#define __ide_mm_insl(port, addr, n) io_insl((unsigned int)port, addr, n) +#define __ide_mm_outsw(port, addr, n) io_outsw((unsigned int)port, addr, n) +#define __ide_mm_outsl(port, addr, n) io_outsl((unsigned int)port, addr, n) + +#endif /* CONFIG_MMU */ + #endif /* __KERNEL__ */ #endif /* _M68K_IDE_H */ diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 221d0b71ce3..18732ab2329 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -315,7 +315,9 @@ EXPORT_SYMBOL(dump_fpu); /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(const char __user *name, char __user * __user *argv, char __user * __user *envp) +asmlinkage int sys_execve(const char __user *name, + const char __user *const __user *argv, + const char __user *const __user *envp) { int error; char * filename; diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 77896692eb0..2f431ece7b5 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -459,7 +459,9 @@ asmlinkage int sys_getpagesize(void) * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register long __res asm ("%d0") = __NR_execve; register long __a asm ("%d1") = (long)(filename); diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c index 6350f68cd02..6d3390590e5 100644 --- a/arch/m68knommu/kernel/process.c +++ b/arch/m68knommu/kernel/process.c @@ -316,14 +316,14 @@ void dump(struct pt_regs *fp) fp->d0, fp->d1, fp->d2, fp->d3); printk(KERN_EMERG "d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n", fp->d4, fp->d5, fp->a0, fp->a1); - printk(KERN_EMERG "\nUSP: %08x TRAPFRAME: %08x\n", - (unsigned int) rdusp(), (unsigned int) fp); + printk(KERN_EMERG "\nUSP: %08x TRAPFRAME: %p\n", + (unsigned int) rdusp(), fp); printk(KERN_EMERG "\nCODE:"); tp = ((unsigned char *) fp->pc) - 0x20; for (sp = (unsigned long *) tp, i = 0; (i < 0x40); i += 4) { if ((i % 0x10) == 0) - printk(KERN_EMERG "%08x: ", (int) (tp + i)); + printk(KERN_EMERG "%p: ", tp + i); printk("%08x ", (int) *sp++); } printk(KERN_EMERG "\n"); @@ -332,7 +332,7 @@ void dump(struct pt_regs *fp) tp = ((unsigned char *) fp) - 0x40; for (sp = (unsigned long *) tp, i = 0; (i < 0xc0); i += 4) { if ((i % 0x10) == 0) - printk(KERN_EMERG "%08x: ", (int) (tp + i)); + printk(KERN_EMERG "%p: ", tp + i); printk("%08x ", (int) *sp++); } printk(KERN_EMERG "\n"); @@ -341,7 +341,7 @@ void dump(struct pt_regs *fp) tp = (unsigned char *) (rdusp() - 0x10); for (sp = (unsigned long *) tp, i = 0; (i < 0x80); i += 4) { if ((i % 0x10) == 0) - printk(KERN_EMERG "%08x: ", (int) (tp + i)); + printk(KERN_EMERG "%p: ", tp + i); printk("%08x ", (int) *sp++); } printk(KERN_EMERG "\n"); @@ -350,7 +350,9 @@ void dump(struct pt_regs *fp) /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(const char *name, char **argv, char **envp) +asmlinkage int sys_execve(const char *name, + const char *const *argv, + const char *const *envp) { int error; char * filename; diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c index d65e9c4c930..68488ae47f0 100644 --- a/arch/m68knommu/kernel/sys_m68k.c +++ b/arch/m68knommu/kernel/sys_m68k.c @@ -44,7 +44,9 @@ asmlinkage int sys_getpagesize(void) * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register long __res asm ("%d0") = __NR_execve; register long __a asm ("%d1") = (long)(filename); diff --git a/arch/microblaze/kernel/prom_parse.c b/arch/microblaze/kernel/prom_parse.c index d33ba17601f..99d9b61cccb 100644 --- a/arch/microblaze/kernel/prom_parse.c +++ b/arch/microblaze/kernel/prom_parse.c @@ -73,7 +73,7 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) /* We can only get here if we hit a P2P bridge with no node, * let's do standard swizzling and try again */ - lspec = of_irq_pci_swizzle(PCI_SLOT(pdev->devfn), lspec); + lspec = pci_swizzle_interrupt_pin(pdev, lspec); pdev = ppdev; } diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index 6abab6ebedb..2250fe9d269 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -47,8 +47,10 @@ asmlinkage long microblaze_clone(int flags, unsigned long stack, struct pt_regs return do_fork(flags, stack, regs, 0, NULL, NULL); } -asmlinkage long microblaze_execve(const char __user *filenamei, char __user *__user *argv, - char __user *__user *envp, struct pt_regs *regs) +asmlinkage long microblaze_execve(const char __user *filenamei, + const char __user *const __user *argv, + const char __user *const __user *envp, + struct pt_regs *regs) { int error; char *filename; @@ -77,7 +79,9 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len, * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register const char *__a __asm__("r5") = filename; register const void *__b __asm__("r6") = argv; diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 23be25fec4d..55ef532f32b 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -27,10 +27,11 @@ #include <linux/irq.h> #include <linux/vmalloc.h> #include <linux/slab.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <asm/processor.h> #include <asm/io.h> -#include <asm/prom.h> #include <asm/pci-bridge.h> #include <asm/byteorder.h> @@ -1077,7 +1078,7 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus) struct dev_archdata *sd = &dev->dev.archdata; /* Setup OF node pointer in archdata */ - sd->of_node = pci_device_to_OF_node(dev); + dev->dev.of_node = pci_device_to_OF_node(dev); /* Fixup NUMA node as it may not be setup yet by the generic * code and is needed by the DMA init diff --git a/arch/microblaze/pci/xilinx_pci.c b/arch/microblaze/pci/xilinx_pci.c index 7869a41b0f9..0687a42a5bd 100644 --- a/arch/microblaze/pci/xilinx_pci.c +++ b/arch/microblaze/pci/xilinx_pci.c @@ -16,6 +16,7 @@ #include <linux/ioport.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/pci.h> #include <asm/io.h> diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index bddce0bca19..1dc6edff45e 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -258,8 +258,10 @@ asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs) error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, (char __user *__user *) (long)regs.regs[5], - (char __user *__user *) (long)regs.regs[6], ®s); + error = do_execve(filename, + (const char __user *const __user *) (long)regs.regs[5], + (const char __user *const __user *) (long)regs.regs[6], + ®s); putname(filename); out: @@ -436,7 +438,9 @@ asmlinkage void bad_stack(void) * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register unsigned long __a0 asm("$4") = (unsigned long) filename; register unsigned long __a1 asm("$5") = (unsigned long) argv; diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c index 762eb325b94..f48373e2bc1 100644 --- a/arch/mn10300/kernel/process.c +++ b/arch/mn10300/kernel/process.c @@ -269,8 +269,8 @@ asmlinkage long sys_vfork(void) } asmlinkage long sys_execve(const char __user *name, - char __user * __user *argv, - char __user * __user *envp) + const char __user *const __user *argv, + const char __user *const __user *envp) { char *filename; int error; diff --git a/arch/mn10300/mm/dma-alloc.c b/arch/mn10300/mm/dma-alloc.c index 4e34880bea0..159acb02cfd 100644 --- a/arch/mn10300/mm/dma-alloc.c +++ b/arch/mn10300/mm/dma-alloc.c @@ -25,7 +25,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size, unsigned long addr; void *ret; - printk("dma_alloc_coherent(%s,%zu,,%x)\n", dev_name(dev), size, gfp); + pr_debug("dma_alloc_coherent(%s,%zu,%x)\n", + dev ? dev_name(dev) : "?", size, gfp); if (0xbe000000 - pci_sram_allocated >= size) { size = (size + 255) & ~255; diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c index 1444875a761..0dc8543acb4 100644 --- a/arch/parisc/hpux/fs.c +++ b/arch/parisc/hpux/fs.c @@ -41,8 +41,10 @@ int hpux_execve(struct pt_regs *regs) if (IS_ERR(filename)) goto out; - error = do_execve(filename, (char __user * __user *) regs->gr[25], - (char __user * __user *) regs->gr[24], regs); + error = do_execve(filename, + (const char __user *const __user *) regs->gr[25], + (const char __user *const __user *) regs->gr[24], + regs); putname(filename); diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 76332dadc6e..4b4b9181a1a 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -348,17 +348,22 @@ asmlinkage int sys_execve(struct pt_regs *regs) error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, (char __user * __user *) regs->gr[25], - (char __user * __user *) regs->gr[24], regs); + error = do_execve(filename, + (const char __user *const __user *) regs->gr[25], + (const char __user *const __user *) regs->gr[24], + regs); putname(filename); out: return error; } -extern int __execve(const char *filename, char *const argv[], - char *const envp[], struct task_struct *task); -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +extern int __execve(const char *filename, + const char *const argv[], + const char *const envp[], struct task_struct *task); +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { return __execve(filename, argv, envp, current); } diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index feacfb78968..91356ffda2c 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1034,8 +1034,9 @@ int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2, flush_fp_to_thread(current); flush_altivec_to_thread(current); flush_spe_to_thread(current); - error = do_execve(filename, (char __user * __user *) a1, - (char __user * __user *) a2, regs); + error = do_execve(filename, + (const char __user *const __user *) a1, + (const char __user *const __user *) a2, regs); putname(filename); out: return error; diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 7eafaf2662b..d3a2d1c6438 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -267,8 +267,9 @@ asmlinkage void execve_tail(void) /* * sys_execve() executes a new program. */ -SYSCALL_DEFINE3(execve, const char __user *, name, char __user * __user *, argv, - char __user * __user *, envp) +SYSCALL_DEFINE3(execve, const char __user *, name, + const char __user *const __user *, argv, + const char __user *const __user *, envp) { struct pt_regs *regs = task_pt_regs(current); char *filename; diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c index 651096ff8db..e478bf9a7e9 100644 --- a/arch/score/kernel/sys_score.c +++ b/arch/score/kernel/sys_score.c @@ -99,8 +99,10 @@ score_execve(struct pt_regs *regs) if (IS_ERR(filename)) return error; - error = do_execve(filename, (char __user *__user*)regs->regs[5], - (char __user *__user *) regs->regs[6], regs); + error = do_execve(filename, + (const char __user *const __user *)regs->regs[5], + (const char __user *const __user *)regs->regs[6], + regs); putname(filename); return error; @@ -110,7 +112,9 @@ score_execve(struct pt_regs *regs) * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register unsigned long __r4 asm("r4") = (unsigned long) filename; register unsigned long __r5 asm("r5") = (unsigned long) argv; diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 052981972ae..762a13984bb 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -296,9 +296,10 @@ asmlinkage int sys_vfork(unsigned long r4, unsigned long r5, /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv, - char __user * __user *uenvp, unsigned long r7, - struct pt_regs __regs) +asmlinkage int sys_execve(const char __user *ufilename, + const char __user *const __user *uargv, + const char __user *const __user *uenvp, + unsigned long r7, struct pt_regs __regs) { struct pt_regs *regs = RELOC_HIDE(&__regs, 0); int error; diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c index 68d128d651b..210c1cabcb7 100644 --- a/arch/sh/kernel/process_64.c +++ b/arch/sh/kernel/process_64.c @@ -497,8 +497,8 @@ asmlinkage int sys_execve(const char *ufilename, char **uargv, goto out; error = do_execve(filename, - (char __user * __user *)uargv, - (char __user * __user *)uenvp, + (const char __user *const __user *)uargv, + (const char __user *const __user *)uenvp, pregs); putname(filename); out: diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c index eb68bfdd86e..f56b6fe5c5d 100644 --- a/arch/sh/kernel/sys_sh32.c +++ b/arch/sh/kernel/sys_sh32.c @@ -71,7 +71,9 @@ asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1, * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register long __sc0 __asm__ ("r3") = __NR_execve; register long __sc4 __asm__ ("r4") = (long) filename; diff --git a/arch/sh/kernel/sys_sh64.c b/arch/sh/kernel/sys_sh64.c index 287235768bc..c5a38c4bf41 100644 --- a/arch/sh/kernel/sys_sh64.c +++ b/arch/sh/kernel/sys_sh64.c @@ -33,7 +33,9 @@ * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register unsigned long __sc0 __asm__ ("r9") = ((0x13 << 16) | __NR_execve); register unsigned long __sc2 __asm__ ("r2") = (unsigned long) filename; diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h index 2050ca02c42..f0c74227c73 100644 --- a/arch/sparc/include/asm/atomic_64.h +++ b/arch/sparc/include/asm/atomic_64.h @@ -25,9 +25,9 @@ extern void atomic_sub(int, atomic_t *); extern void atomic64_sub(int, atomic64_t *); extern int atomic_add_ret(int, atomic_t *); -extern int atomic64_add_ret(int, atomic64_t *); +extern long atomic64_add_ret(int, atomic64_t *); extern int atomic_sub_ret(int, atomic_t *); -extern int atomic64_sub_ret(int, atomic64_t *); +extern long atomic64_sub_ret(int, atomic64_t *); #define atomic_dec_return(v) atomic_sub_ret(1, v) #define atomic64_dec_return(v) atomic64_sub_ret(1, v) @@ -91,7 +91,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) -static inline int atomic64_add_unless(atomic64_t *v, long a, long u) +static inline long atomic64_add_unless(atomic64_t *v, long a, long u) { long c, old; c = atomic64_read(v); diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/fb.h index e834880be20..2173432ad7f 100644 --- a/arch/sparc/include/asm/fb.h +++ b/arch/sparc/include/asm/fb.h @@ -1,5 +1,6 @@ #ifndef _SPARC_FB_H_ #define _SPARC_FB_H_ +#include <linux/console.h> #include <linux/fb.h> #include <linux/fs.h> #include <asm/page.h> @@ -18,6 +19,9 @@ static inline int fb_is_primary_device(struct fb_info *info) struct device *dev = info->device; struct device_node *node; + if (console_set_on_cmdline) + return 0; + node = dev->of_node; if (node && node == of_console_device) diff --git a/arch/sparc/include/asm/rwsem-const.h b/arch/sparc/include/asm/rwsem-const.h index a303c9d64d8..e4c61a18bb2 100644 --- a/arch/sparc/include/asm/rwsem-const.h +++ b/arch/sparc/include/asm/rwsem-const.h @@ -5,7 +5,7 @@ #define RWSEM_UNLOCKED_VALUE 0x00000000 #define RWSEM_ACTIVE_BIAS 0x00000001 #define RWSEM_ACTIVE_MASK 0x0000ffff -#define RWSEM_WAITING_BIAS 0xffff0000 +#define RWSEM_WAITING_BIAS (-0x00010000) #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index d0b3b01ac9d..03eb5a8f6f9 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -397,8 +397,11 @@ #define __NR_rt_tgsigqueueinfo 326 #define __NR_perf_event_open 327 #define __NR_recvmmsg 328 +#define __NR_fanotify_init 329 +#define __NR_fanotify_mark 330 +#define __NR_prlimit64 331 -#define NR_syscalls 329 +#define NR_syscalls 332 #ifdef __32bit_syscall_numbers__ /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 40e29fc8a4d..17529298c50 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -633,8 +633,10 @@ asmlinkage int sparc_execve(struct pt_regs *regs) if(IS_ERR(filename)) goto out; error = do_execve(filename, - (char __user * __user *)regs->u_regs[base + UREG_I1], - (char __user * __user *)regs->u_regs[base + UREG_I2], + (const char __user *const __user *) + regs->u_regs[base + UREG_I1], + (const char __user *const __user *) + regs->u_regs[base + UREG_I2], regs); putname(filename); out: diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index dbe81a368b4..485f5474838 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -739,9 +739,9 @@ asmlinkage int sparc_execve(struct pt_regs *regs) if (IS_ERR(filename)) goto out; error = do_execve(filename, - (char __user * __user *) + (const char __user *const __user *) regs->u_regs[base + UREG_I1], - (char __user * __user *) + (const char __user *const __user *) regs->u_regs[base + UREG_I2], regs); putname(filename); if (!error) { diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index 46a76ba3fb4..44e5faf1ad5 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -330,6 +330,15 @@ do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */ nop nop + .globl sys32_fanotify_mark +sys32_fanotify_mark: + sethi %hi(sys_fanotify_mark), %g1 + sllx %o2, 32, %o2 + or %o2, %o3, %o2 + mov %o4, %o3 + jmpl %g1 + %lo(sys_fanotify_mark), %g0 + mov %o5, %o4 + .section __ex_table,"a" .align 4 .word 1b, __retl_efault, 2b, __retl_efault diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c index ee995b7dae7..50794137d71 100644 --- a/arch/sparc/kernel/sys_sparc_32.c +++ b/arch/sparc/kernel/sys_sparc_32.c @@ -282,7 +282,9 @@ out: * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { long __res; register long __g1 __asm__ ("g1") = __NR_execve; diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 3d435c42e6d..f836f4e93af 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -758,7 +758,9 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { long __res; register long __g1 __asm__ ("g1") = __NR_execve; diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 801fc8e5a0e..ec396e1916b 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -82,5 +82,6 @@ sys_call_table: /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv -/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg +/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init +/*330*/ .long sys_fanotify_mark, sys_prlimit64 diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 9db058dd039..8cfcaa54958 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -83,7 +83,8 @@ sys_call_table32: /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv - .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg + .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init +/*330*/ .word sys32_fanotify_mark, sys_prlimit64 #endif /* CONFIG_COMPAT */ @@ -158,4 +159,5 @@ sys_call_table: /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv - .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg + .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init +/*330*/ .word sys_fanotify_mark, sys_prlimit64 diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index ed590ad0acd..985cc28c74c 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -543,8 +543,9 @@ long _sys_vfork(struct pt_regs *regs) /* * sys_execve() executes a new program. */ -long _sys_execve(char __user *path, char __user *__user *argv, - char __user *__user *envp, struct pt_regs *regs) +long _sys_execve(const char __user *path, + const char __user *const __user *argv, + const char __user *const __user *envp, struct pt_regs *regs) { long error; char *filename; diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h index 17a2cb5a417..1f469e80fdd 100644 --- a/arch/um/include/asm/dma-mapping.h +++ b/arch/um/include/asm/dma-mapping.h @@ -95,13 +95,6 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, #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) -static inline int -dma_get_cache_alignment(void) -{ - BUG(); - return(0); -} - static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 59b20d93b6d..cd145eda357 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -44,8 +44,9 @@ void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) PT_REGS_SP(regs) = esp; } -static long execve1(const char *file, char __user * __user *argv, - char __user *__user *env) +static long execve1(const char *file, + const char __user *const __user *argv, + const char __user *const __user *env) { long error; diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index 7427c0b1930..5ddb246626d 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -51,7 +51,9 @@ long old_mmap(unsigned long addr, unsigned long len, return err; } -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { mm_segment_t fs; int ret; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a84fc34c8f7..cea0cd9a316 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -245,6 +245,11 @@ config ARCH_HWEIGHT_CFLAGS config KTIME_SCALAR def_bool X86_32 + +config ARCH_CPU_PROBE_RELEASE + def_bool y + depends on HOTPLUG_CPU + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -749,11 +754,11 @@ config IOMMU_API def_bool (AMD_IOMMU || DMAR) config MAXSMP - bool "Configure Maximum number of SMP Processors and NUMA Nodes" + bool "Enable Maximum number of SMP Processors and NUMA Nodes" depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL select CPUMASK_OFFSTACK ---help--- - Configure maximum number of CPUS and NUMA Nodes for this architecture. + Enable maximum number of CPUS and NUMA Nodes for this architecture. If unsure, say N. config NR_CPUS diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 2984a25ff38..f686f49e8b7 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -26,6 +26,7 @@ struct mm_struct; struct vm_area_struct; extern pgd_t swapper_pg_dir[1024]; +extern pgd_t trampoline_pg_dir[1024]; static inline void pgtable_cache_init(void) { } static inline void check_pgt_cache(void) { } diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index feb2ff9bfc2..f1d8b441fc7 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -23,8 +23,9 @@ long sys_iopl(unsigned int, struct pt_regs *); /* kernel/process.c */ int sys_fork(struct pt_regs *); int sys_vfork(struct pt_regs *); -long sys_execve(const char __user *, char __user * __user *, - char __user * __user *, struct pt_regs *); +long sys_execve(const char __user *, + const char __user *const __user *, + const char __user *const __user *, struct pt_regs *); long sys_clone(unsigned long, unsigned long, void __user *, void __user *, struct pt_regs *); diff --git a/arch/x86/include/asm/trampoline.h b/arch/x86/include/asm/trampoline.h index cb507bb05d7..4dde797c057 100644 --- a/arch/x86/include/asm/trampoline.h +++ b/arch/x86/include/asm/trampoline.h @@ -13,14 +13,17 @@ extern unsigned char *trampoline_base; extern unsigned long init_rsp; extern unsigned long initial_code; +extern unsigned long initial_page_table; extern unsigned long initial_gs; #define TRAMPOLINE_SIZE roundup(trampoline_end - trampoline_data, PAGE_SIZE) extern unsigned long setup_trampoline(void); +extern void __init setup_trampoline_page_table(void); extern void __init reserve_trampoline_memory(void); #else -static inline void reserve_trampoline_memory(void) {}; +static inline void setup_trampoline_page_table(void) {} +static inline void reserve_trampoline_memory(void) {} #endif /* CONFIG_X86_TRAMPOLINE */ #endif /* __ASSEMBLY__ */ diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 4dc0084ec1b..f1efebaf551 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1728,6 +1728,8 @@ __apicdebuginit(void) print_IO_APIC(void) struct irq_pin_list *entry; cfg = desc->chip_data; + if (!cfg) + continue; entry = cfg->irq_2_pin; if (!entry) continue; diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 60a57b13082..ba5f62f45f0 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -669,7 +669,7 @@ bool cpu_has_amd_erratum(const int *erratum) } /* OSVW unavailable or ID unknown, match family-model-stepping range */ - ms = (cpu->x86_model << 8) | cpu->x86_mask; + ms = (cpu->x86_model << 4) | cpu->x86_mask; while ((range = *erratum++)) if ((cpu->x86 == AMD_MODEL_RANGE_FAMILY(range)) && (ms >= AMD_MODEL_RANGE_START(range)) && diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 214ac860ebe..d8d86d01400 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -491,33 +491,78 @@ static void intel_pmu_enable_all(int added) * Intel Errata AAP53 (model 30) * Intel Errata BD53 (model 44) * - * These chips need to be 'reset' when adding counters by programming - * the magic three (non counting) events 0x4300D2, 0x4300B1 and 0x4300B5 - * either in sequence on the same PMC or on different PMCs. + * The official story: + * These chips need to be 'reset' when adding counters by programming the + * magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either + * in sequence on the same PMC or on different PMCs. + * + * In practise it appears some of these events do in fact count, and + * we need to programm all 4 events. */ -static void intel_pmu_nhm_enable_all(int added) +static void intel_pmu_nhm_workaround(void) { - if (added) { - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - int i; + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + static const unsigned long nhm_magic[4] = { + 0x4300B5, + 0x4300D2, + 0x4300B1, + 0x4300B1 + }; + struct perf_event *event; + int i; + + /* + * The Errata requires below steps: + * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL; + * 2) Configure 4 PERFEVTSELx with the magic events and clear + * the corresponding PMCx; + * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL; + * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL; + * 5) Clear 4 pairs of ERFEVTSELx and PMCx; + */ + + /* + * The real steps we choose are a little different from above. + * A) To reduce MSR operations, we don't run step 1) as they + * are already cleared before this function is called; + * B) Call x86_perf_event_update to save PMCx before configuring + * PERFEVTSELx with magic number; + * C) With step 5), we do clear only when the PERFEVTSELx is + * not used currently. + * D) Call x86_perf_event_set_period to restore PMCx; + */ - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 0, 0x4300D2); - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 1, 0x4300B1); - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 2, 0x4300B5); + /* We always operate 4 pairs of PERF Counters */ + for (i = 0; i < 4; i++) { + event = cpuc->events[i]; + if (event) + x86_perf_event_update(event); + } - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x3); - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0); + for (i = 0; i < 4; i++) { + wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]); + wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0); + } - for (i = 0; i < 3; i++) { - struct perf_event *event = cpuc->events[i]; + wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf); + wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0); - if (!event) - continue; + for (i = 0; i < 4; i++) { + event = cpuc->events[i]; + if (event) { + x86_perf_event_set_period(event); __x86_pmu_enable_event(&event->hw, - ARCH_PERFMON_EVENTSEL_ENABLE); - } + ARCH_PERFMON_EVENTSEL_ENABLE); + } else + wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0); } +} + +static void intel_pmu_nhm_enable_all(int added) +{ + if (added) + intel_pmu_nhm_workaround(); intel_pmu_enable_all(added); } diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index ff4c453e13f..fa8c1b8e09f 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -334,7 +334,7 @@ ENTRY(startup_32_smp) /* * Enable paging */ - movl $pa(swapper_pg_dir),%eax + movl pa(initial_page_table), %eax movl %eax,%cr3 /* set the page table pointer.. */ movl %cr0,%eax orl $X86_CR0_PG,%eax @@ -614,6 +614,8 @@ ignore_int: .align 4 ENTRY(initial_code) .long i386_start_kernel +ENTRY(initial_page_table) + .long pa(swapper_pg_dir) /* * BSS section @@ -629,6 +631,10 @@ ENTRY(swapper_pg_dir) #endif swapper_pg_fixmap: .fill 1024,4,0 +#ifdef CONFIG_X86_TRAMPOLINE +ENTRY(trampoline_pg_dir) + .fill 1024,4,0 +#endif ENTRY(empty_zero_page) .fill 4096,1,0 diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index 1f11f5ce668..a46cb3522c0 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -40,6 +40,7 @@ static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu; unsigned int xstate_size; +EXPORT_SYMBOL_GPL(xstate_size); unsigned int sig_xstate_ia32_size = sizeof(struct _fpstate_ia32); static struct i387_fxsave_struct fx_scratch __cpuinitdata; diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index ef10940e1af..852b81967a3 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -194,7 +194,7 @@ static struct hw_breakpoint { unsigned long addr; int len; int type; - struct perf_event **pev; + struct perf_event * __percpu *pev; } breakinfo[HBP_NUM]; static unsigned long early_dr7; diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 1bfb6cf4dd5..770ebfb349e 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -709,6 +709,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) struct hlist_node *node, *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline; + kprobe_opcode_t *correct_ret_addr = NULL; INIT_HLIST_HEAD(&empty_rp); kretprobe_hash_lock(current, &head, &flags); @@ -740,14 +741,34 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) /* another task is sharing our hash bucket */ continue; + orig_ret_address = (unsigned long)ri->ret_addr; + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + correct_ret_addr = ri->ret_addr; + hlist_for_each_entry_safe(ri, node, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + orig_ret_address = (unsigned long)ri->ret_addr; if (ri->rp && ri->rp->handler) { __get_cpu_var(current_kprobe) = &ri->rp->kp; get_kprobe_ctlblk()->kprobe_status = KPROBE_HIT_ACTIVE; + ri->ret_addr = correct_ret_addr; ri->rp->handler(ri, regs); __get_cpu_var(current_kprobe) = NULL; } - orig_ret_address = (unsigned long)ri->ret_addr; recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) @@ -759,8 +780,6 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) break; } - kretprobe_assert(ri, orig_ret_address, trampoline_address); - kretprobe_hash_unlock(current, &flags); hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 64ecaf0af9a..57d1868a86a 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -301,8 +301,9 @@ EXPORT_SYMBOL(kernel_thread); /* * sys_execve() executes a new program. */ -long sys_execve(const char __user *name, char __user * __user *argv, - char __user * __user *envp, struct pt_regs *regs) +long sys_execve(const char __user *name, + const char __user *const __user *argv, + const char __user *const __user *envp, struct pt_regs *regs) { long error; char *filename; diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index b008e788320..c3a4fbb2b99 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1014,6 +1014,8 @@ void __init setup_arch(char **cmdline_p) paging_init(); x86_init.paging.pagetable_setup_done(swapper_pg_dir); + setup_trampoline_page_table(); + tboot_probe(); #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index a5e928b0cb5..8b3bfc4dd70 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -73,7 +73,6 @@ #ifdef CONFIG_X86_32 u8 apicid_2_node[MAX_APICID]; -static int low_mappings; #endif /* State of each CPU */ @@ -91,6 +90,25 @@ DEFINE_PER_CPU(int, cpu_state) = { 0 }; static DEFINE_PER_CPU(struct task_struct *, idle_thread_array); #define get_idle_for_cpu(x) (per_cpu(idle_thread_array, x)) #define set_idle_for_cpu(x, p) (per_cpu(idle_thread_array, x) = (p)) + +/* + * We need this for trampoline_base protection from concurrent accesses when + * off- and onlining cores wildly. + */ +static DEFINE_MUTEX(x86_cpu_hotplug_driver_mutex); + +void cpu_hotplug_driver_lock() +{ + mutex_lock(&x86_cpu_hotplug_driver_mutex); +} + +void cpu_hotplug_driver_unlock() +{ + mutex_unlock(&x86_cpu_hotplug_driver_mutex); +} + +ssize_t arch_cpu_probe(const char *buf, size_t count) { return -1; } +ssize_t arch_cpu_release(const char *buf, size_t count) { return -1; } #else static struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ; #define get_idle_for_cpu(x) (idle_thread_array[(x)]) @@ -281,6 +299,18 @@ notrace static void __cpuinit start_secondary(void *unused) * fragile that we want to limit the things done here to the * most necessary things. */ + +#ifdef CONFIG_X86_32 + /* + * Switch away from the trampoline page-table + * + * Do this before cpu_init() because it needs to access per-cpu + * data which may not be mapped in the trampoline page-table. + */ + load_cr3(swapper_pg_dir); + __flush_tlb_all(); +#endif + vmi_bringup(); cpu_init(); preempt_disable(); @@ -299,12 +329,6 @@ notrace static void __cpuinit start_secondary(void *unused) legacy_pic->chip->unmask(0); } -#ifdef CONFIG_X86_32 - while (low_mappings) - cpu_relax(); - __flush_tlb_all(); -#endif - /* This must be done before setting cpu_online_mask */ set_cpu_sibling_map(raw_smp_processor_id()); wmb(); @@ -750,6 +774,7 @@ do_rest: #ifdef CONFIG_X86_32 /* Stack for startup_32 can be just as for start_secondary onwards */ irq_ctx_init(cpu); + initial_page_table = __pa(&trampoline_pg_dir); #else clear_tsk_thread_flag(c_idle.idle, TIF_FORK); initial_gs = per_cpu_offset(cpu); @@ -897,20 +922,8 @@ int __cpuinit native_cpu_up(unsigned int cpu) per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; -#ifdef CONFIG_X86_32 - /* init low mem mapping */ - clone_pgd_range(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY, - min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY)); - flush_tlb_all(); - low_mappings = 1; - err = do_boot_cpu(apicid, cpu); - zap_low_mappings(false); - low_mappings = 0; -#else - err = do_boot_cpu(apicid, cpu); -#endif if (err) { pr_debug("do_boot_cpu failed %d\n", err); return -EIO; diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c index 196552bb412..d5e06624e34 100644 --- a/arch/x86/kernel/sys_i386_32.c +++ b/arch/x86/kernel/sys_i386_32.c @@ -28,7 +28,9 @@ * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { long __res; asm volatile ("push %%ebx ; movl %2,%%ebx ; int $0x80 ; pop %%ebx" diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c index c652ef62742..a874495b367 100644 --- a/arch/x86/kernel/trampoline.c +++ b/arch/x86/kernel/trampoline.c @@ -1,6 +1,7 @@ #include <linux/io.h> #include <asm/trampoline.h> +#include <asm/pgtable.h> #include <asm/e820.h> #if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP) @@ -37,3 +38,20 @@ unsigned long __trampinit setup_trampoline(void) memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE); return virt_to_phys(trampoline_base); } + +void __init setup_trampoline_page_table(void) +{ +#ifdef CONFIG_X86_32 + /* Copy kernel address range */ + clone_pgd_range(trampoline_pg_dir + KERNEL_PGD_BOUNDARY, + swapper_pg_dir + KERNEL_PGD_BOUNDARY, + min_t(unsigned long, KERNEL_PGD_PTRS, + KERNEL_PGD_BOUNDARY)); + + /* Initialize low mappings */ + clone_pgd_range(trampoline_pg_dir, + swapper_pg_dir + KERNEL_PGD_BOUNDARY, + min_t(unsigned long, KERNEL_PGD_PTRS, + KERNEL_PGD_BOUNDARY)); +#endif +} diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 0fd6378981f..ddeb2314b52 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -697,6 +697,7 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags) pit->wq = create_singlethread_workqueue("kvm-pit-wq"); if (!pit->wq) { mutex_unlock(&pit->pit_state.lock); + kvm_free_irq_source_id(kvm, pit->irq_source_id); kfree(pit); return NULL; } @@ -742,7 +743,7 @@ fail: kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier); kvm_unregister_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier); kvm_free_irq_source_id(kvm, pit->irq_source_id); - + destroy_workqueue(pit->wq); kfree(pit); return NULL; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 25f19078b32..3a09c625d52 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2387,7 +2387,7 @@ static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, if (cpu_has_xsave) memcpy(guest_xsave->region, &vcpu->arch.guest_fpu.state->xsave, - sizeof(struct xsave_struct)); + xstate_size); else { memcpy(guest_xsave->region, &vcpu->arch.guest_fpu.state->fxsave, @@ -2405,7 +2405,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, if (cpu_has_xsave) memcpy(&vcpu->arch.guest_fpu.state->xsave, - guest_xsave->region, sizeof(struct xsave_struct)); + guest_xsave->region, xstate_size); else { if (xstate_bv & ~XSTATE_FPSSE) return -EINVAL; diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 7c2f38f68eb..e3558b9a58b 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -318,8 +318,9 @@ long xtensa_clone(unsigned long clone_flags, unsigned long newsp, */ asmlinkage -long xtensa_execve(const char __user *name, char __user * __user *argv, - char __user * __user *envp, +long xtensa_execve(const char __user *name, + const char __user *const __user *argv, + const char __user *const __user *envp, long a3, long a4, long a5, struct pt_regs *regs) { |