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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal

Browse Source 
Pull signal handling cleanups from Al Viro:
 "This is the first pile; another one will come a bit later and will
  contain SYSCALL_DEFINE-related patches.

   - a bunch of signal-related syscalls (both native and compat)
     unified.

   - a bunch of compat syscalls switched to COMPAT_SYSCALL_DEFINE
     (fixing several potential problems with missing argument
     validation, while we are at it)

   - a lot of now-pointless wrappers killed

   - a couple of architectures (cris and hexagon) forgot to save
     altstack settings into sigframe, even though they used the
     (uninitialized) values in sigreturn; fixed.

   - microblaze fixes for delivery of multiple signals arriving at once

   - saner set of helpers for signal delivery introduced, several
     architectures switched to using those."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (143 commits)
  x86: convert to ksignal
  sparc: convert to ksignal
  arm: switch to struct ksignal * passing
  alpha: pass k_sigaction and siginfo_t using ksignal pointer
  burying unused conditionals
  make do_sigaltstack() static
  arm64: switch to generic old sigaction() (compat-only)
  arm64: switch to generic compat rt_sigaction()
  arm64: switch compat to generic old sigsuspend
  arm64: switch to generic compat rt_sigqueueinfo()
  arm64: switch to generic compat rt_sigpending()
  arm64: switch to generic compat rt_sigprocmask()
  arm64: switch to generic sigaltstack
  sparc: switch to generic old sigsuspend
  sparc: COMPAT_SYSCALL_DEFINE does all sign-extension as well as SYSCALL_DEFINE
  sparc: kill sign-extending wrappers for native syscalls
  kill sparc32_open()
  sparc: switch to use of generic old sigaction
  sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE
  mips: switch to generic sys_fork() and sys_clone()
  ...
This commit is contained in:
Linus Torvalds
2013-02-23 18:50:11 -08:00
parent 5ce1a70e2f 235b80226b
commit 9e2d59ad58
185 changed files with 1361 additions and 4823 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/powerpc/include/asm/signal.h
View File

@@ -1,6 +1,7 @@
#ifndef _ASM_POWERPC_SIGNAL_H
#define _ASM_POWERPC_SIGNAL_H
#define __ARCH_HAS_SA_RESTORER
#include <uapi/asm/signal.h>
#endif /* _ASM_POWERPC_SIGNAL_H */

15
arch/powerpc/include/asm/syscalls.h
View File

@@ -5,11 +5,8 @@
#include <linux/compiler.h>
#include <linux/linkage.h>
#include <linux/types.h>
#include <asm/signal.h>
struct pt_regs;
struct rtas_args;
struct sigaction;
asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
@@ -17,20 +14,8 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len,
asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff);
asmlinkage long sys_pipe(int __user *fildes);
asmlinkage long sys_pipe2(int __user *fildes, int flags);
asmlinkage long sys_rt_sigaction(int sig,
const struct sigaction __user *act,
struct sigaction __user *oact, size_t sigsetsize);
asmlinkage long ppc64_personality(unsigned long personality);
asmlinkage int ppc_rtas(struct rtas_args __user *uargs);
asmlinkage time_t sys64_time(time_t __user * tloc);
asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
size_t sigsetsize);
asmlinkage long sys_sigaltstack(const stack_t __user *uss,
stack_t __user *uoss, unsigned long r5, unsigned long r6,
unsigned long r7, unsigned long r8, struct pt_regs *regs);
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_SYSCALLS_H */

63
arch/powerpc/include/asm/systbl.h
View File

@@ -10,8 +10,8 @@ SYSCALL_SPU(read)
SYSCALL_SPU(write)
COMPAT_SYS_SPU(open)
SYSCALL_SPU(close)
COMPAT_SYS_SPU(waitpid)
COMPAT_SYS_SPU(creat)
SYSCALL_SPU(waitpid)
SYSCALL_SPU(creat)
SYSCALL_SPU(link)
SYSCALL_SPU(unlink)
COMPAT_SYS(execve)
@@ -36,13 +36,13 @@ SYSCALL(pause)
COMPAT_SYS(utime)
SYSCALL(ni_syscall)
SYSCALL(ni_syscall)
COMPAT_SYS_SPU(access)
COMPAT_SYS_SPU(nice)
SYSCALL_SPU(access)
SYSCALL_SPU(nice)
SYSCALL(ni_syscall)
SYSCALL_SPU(sync)
COMPAT_SYS_SPU(kill)
SYSCALL_SPU(kill)
SYSCALL_SPU(rename)
COMPAT_SYS_SPU(mkdir)
SYSCALL_SPU(mkdir)
SYSCALL_SPU(rmdir)
SYSCALL_SPU(dup)
SYSCALL_SPU(pipe)
@@ -60,10 +60,10 @@ SYSCALL(ni_syscall)
COMPAT_SYS_SPU(ioctl)
COMPAT_SYS_SPU(fcntl)
SYSCALL(ni_syscall)
COMPAT_SYS_SPU(setpgid)
SYSCALL_SPU(setpgid)
SYSCALL(ni_syscall)
SYSX(sys_ni_syscall,sys_olduname, sys_olduname)
COMPAT_SYS_SPU(umask)
SYSCALL_SPU(umask)
SYSCALL_SPU(chroot)
COMPAT_SYS(ustat)
SYSCALL_SPU(dup2)
@@ -72,23 +72,24 @@ SYSCALL_SPU(getpgrp)
SYSCALL_SPU(setsid)
SYS32ONLY(sigaction)
SYSCALL_SPU(sgetmask)
COMPAT_SYS_SPU(ssetmask)
SYSCALL_SPU(ssetmask)
SYSCALL_SPU(setreuid)
SYSCALL_SPU(setregid)
#define compat_sys_sigsuspend sys_sigsuspend
SYS32ONLY(sigsuspend)
COMPAT_SYS(sigpending)
COMPAT_SYS_SPU(sethostname)
SYSCALL_SPU(sethostname)
COMPAT_SYS_SPU(setrlimit)
COMPAT_SYS(old_getrlimit)
COMPAT_SYS_SPU(getrusage)
COMPAT_SYS_SPU(gettimeofday)
COMPAT_SYS_SPU(settimeofday)
COMPAT_SYS_SPU(getgroups)
COMPAT_SYS_SPU(setgroups)
SYSCALL_SPU(getgroups)
SYSCALL_SPU(setgroups)
SYSX(sys_ni_syscall,sys_ni_syscall,ppc_select)
SYSCALL_SPU(symlink)
OLDSYS(lstat)
COMPAT_SYS_SPU(readlink)
SYSCALL_SPU(readlink)
SYSCALL(uselib)
SYSCALL(swapon)
SYSCALL(reboot)
@@ -99,14 +100,14 @@ COMPAT_SYS_SPU(truncate)
COMPAT_SYS_SPU(ftruncate)
SYSCALL_SPU(fchmod)
SYSCALL_SPU(fchown)
COMPAT_SYS_SPU(getpriority)
COMPAT_SYS_SPU(setpriority)
SYSCALL_SPU(getpriority)
SYSCALL_SPU(setpriority)
SYSCALL(ni_syscall)
COMPAT_SYS(statfs)
COMPAT_SYS(fstatfs)
SYSCALL(ni_syscall)
COMPAT_SYS_SPU(socketcall)
COMPAT_SYS_SPU(syslog)
SYSCALL_SPU(syslog)
COMPAT_SYS_SPU(setitimer)
COMPAT_SYS_SPU(getitimer)
COMPAT_SYS_SPU(newstat)
@@ -124,7 +125,7 @@ COMPAT_SYS(ipc)
SYSCALL_SPU(fsync)
SYS32ONLY(sigreturn)
PPC_SYS(clone)
COMPAT_SYS_SPU(setdomainname)
SYSCALL_SPU(setdomainname)
SYSCALL_SPU(newuname)
SYSCALL(ni_syscall)
COMPAT_SYS_SPU(adjtimex)
@@ -135,10 +136,10 @@ SYSCALL(init_module)
SYSCALL(delete_module)
SYSCALL(ni_syscall)
SYSCALL(quotactl)
COMPAT_SYS_SPU(getpgid)
SYSCALL_SPU(getpgid)
SYSCALL_SPU(fchdir)
SYSCALL_SPU(bdflush)
COMPAT_SYS(sysfs)
SYSCALL_SPU(sysfs)
SYSX_SPU(ppc64_personality,ppc64_personality,sys_personality)
SYSCALL(ni_syscall)
SYSCALL_SPU(setfsuid)
@@ -150,21 +151,21 @@ SYSCALL_SPU(flock)
SYSCALL_SPU(msync)
COMPAT_SYS_SPU(readv)
COMPAT_SYS_SPU(writev)
COMPAT_SYS_SPU(getsid)
SYSCALL_SPU(getsid)
SYSCALL_SPU(fdatasync)
COMPAT_SYS(sysctl)
SYSCALL_SPU(mlock)
SYSCALL_SPU(munlock)
SYSCALL_SPU(mlockall)
SYSCALL_SPU(munlockall)
COMPAT_SYS_SPU(sched_setparam)
COMPAT_SYS_SPU(sched_getparam)
COMPAT_SYS_SPU(sched_setscheduler)
COMPAT_SYS_SPU(sched_getscheduler)
SYSCALL_SPU(sched_setparam)
SYSCALL_SPU(sched_getparam)
SYSCALL_SPU(sched_setscheduler)
SYSCALL_SPU(sched_getscheduler)
SYSCALL_SPU(sched_yield)
COMPAT_SYS_SPU(sched_get_priority_max)
COMPAT_SYS_SPU(sched_get_priority_min)
SYSX_SPU(sys_sched_rr_get_interval,compat_sys_sched_rr_get_interval_wrapper,sys_sched_rr_get_interval)
SYSCALL_SPU(sched_get_priority_max)
SYSCALL_SPU(sched_get_priority_min)
COMPAT_SYS_SPU(sched_rr_get_interval)
COMPAT_SYS_SPU(nanosleep)
SYSCALL_SPU(mremap)
SYSCALL_SPU(setresuid)
@@ -174,7 +175,7 @@ SYSCALL_SPU(poll)
SYSCALL(ni_syscall)
SYSCALL_SPU(setresgid)
SYSCALL_SPU(getresgid)
COMPAT_SYS_SPU(prctl)
SYSCALL_SPU(prctl)
COMPAT_SYS(rt_sigreturn)
COMPAT_SYS(rt_sigaction)
COMPAT_SYS(rt_sigprocmask)
@@ -253,7 +254,7 @@ COMPAT_SYS_SPU(clock_gettime)
COMPAT_SYS_SPU(clock_getres)
COMPAT_SYS_SPU(clock_nanosleep)
SYSX(ppc64_swapcontext,ppc32_swapcontext,ppc_swapcontext)
COMPAT_SYS_SPU(tgkill)
SYSCALL_SPU(tgkill)
COMPAT_SYS_SPU(utimes)
COMPAT_SYS_SPU(statfs64)
COMPAT_SYS_SPU(fstatfs64)
@@ -276,8 +277,8 @@ COMPAT_SYS(add_key)
COMPAT_SYS(request_key)
COMPAT_SYS(keyctl)
COMPAT_SYS(waitid)
COMPAT_SYS(ioprio_set)
COMPAT_SYS(ioprio_get)
SYSCALL(ioprio_set)
SYSCALL(ioprio_get)
SYSCALL(inotify_init)
SYSCALL(inotify_add_watch)
SYSCALL(inotify_rm_watch)

4
arch/powerpc/include/asm/unistd.h
View File

@@ -44,17 +44,13 @@
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#ifdef CONFIG_PPC32
#define __ARCH_WANT_OLD_STAT
#endif
#ifdef CONFIG_PPC64
#define __ARCH_WANT_COMPAT_SYS_TIME
#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_SYS_NEWFSTATAT
#define __ARCH_WANT_COMPAT_SYS_SENDFILE
#define __ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL
#endif
#define __ARCH_WANT_SYS_FORK
#define __ARCH_WANT_SYS_VFORK