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pull clearing RESTORE_SIGMASK into block_sigmask()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-05-21 23:42:15 -04:00
parent 5754f412a3
commit a610d6e672
34 changed files with 130 additions and 387 deletions
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31
arch/x86/kernel/signal.c
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@@ -648,38 +648,27 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
{
int usig = signr_convert(sig);
sigset_t *set = sigmask_to_save();
int ret;
/* Set up the stack frame */
if (is_ia32) {
if (ka->sa.sa_flags & SA_SIGINFO)
ret = ia32_setup_rt_frame(usig, ka, info, set, regs);
return ia32_setup_rt_frame(usig, ka, info, set, regs);
else
ret = ia32_setup_frame(usig, ka, set, regs);
return ia32_setup_frame(usig, ka, set, regs);
#ifdef CONFIG_X86_X32_ABI
} else if (is_x32) {
ret = x32_setup_rt_frame(usig, ka, info,
return x32_setup_rt_frame(usig, ka, info,
(compat_sigset_t *)set, regs);
#endif
} else {
ret = __setup_rt_frame(sig, ka, info, set, regs);
return __setup_rt_frame(sig, ka, info, set, regs);
}
if (ret) {
force_sigsegv(sig, current);
return -EFAULT;
}
current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
return ret;
}
static int
static void
handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
struct pt_regs *regs)
{
int ret;
/* Are we from a system call? */
if (syscall_get_nr(current, regs) >= 0) {
/* If so, check system call restarting.. */
@@ -710,10 +699,10 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
likely(test_and_clear_thread_flag(TIF_FORCED_TF)))
regs->flags &= ~X86_EFLAGS_TF;
ret = setup_rt_frame(sig, ka, info, regs);
if (ret)
return ret;
if (setup_rt_frame(sig, ka, info, regs) < 0) {
force_sigsegv(sig, current);
return;
}
/*
* Clear the direction flag as per the ABI for function entry.
@@ -732,8 +721,6 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
tracehook_signal_handler(sig, info, ka, regs,
test_thread_flag(TIF_SINGLESTEP));
return 0;
}
#ifdef CONFIG_X86_32