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

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Pull misc syscall fixes from Al Viro:

 - compat syscall fixes (discussed back in December)

 - a couple of "make life easier for sigaltstack stuff by reducing
   inter-tree dependencies"

 - fix up compiler/asmlinkage calling convention disagreement of
   sys_clone()

 - misc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
  sys_clone() needs asmlinkage_protect
  make sure that /linuxrc has std{in,out,err}
  x32: fix sigtimedwait
  x32: fix waitid()
  switch compat_sys_wait4() and compat_sys_waitid() to COMPAT_SYSCALL_DEFINE
  switch compat_sys_sigaltstack() to COMPAT_SYSCALL_DEFINE
  CONFIG_GENERIC_SIGALTSTACK build breakage with asm-generic/syscalls.h
  Ensure that kernel_init_freeable() is not inlined into non __init code
This commit is contained in:
Linus Torvalds 2013-01-20 13:58:48 -08:00
commit 3a142ed962
6 changed files with 30 additions and 14 deletions
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4
init/do_mounts_initrd.c
View file

@ -36,6 +36,10 @@ __setup("noinitrd", no_initrd);
static int init_linuxrc(struct subprocess_info *info, struct cred *new)
{
sys_unshare(CLONE_FS | CLONE_FILES);
/* stdin/stdout/stderr for /linuxrc */
sys_open("/dev/console", O_RDWR, 0);
sys_dup(0);
sys_dup(0);
/* move initrd over / and chdir/chroot in initrd root */
sys_chdir("/root");
sys_mount(".", "/", NULL, MS_MOVE, NULL);

4
init/main.c
View file

@ -802,7 +802,7 @@ static int run_init_process(const char *init_filename)
(const char __user *const __user *)envp_init);
}
static void __init kernel_init_freeable(void);
static noinline void __init kernel_init_freeable(void);
static int __ref kernel_init(void *unused)
{
@ -845,7 +845,7 @@ static int __ref kernel_init(void *unused)
"See Linux Documentation/init.txt for guidance.");
}
static void __init kernel_init_freeable(void)
static noinline void __init kernel_init_freeable(void)
{
/*
* Wait until kthreadd is all set-up.