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Diffstat (limited to 'arch/score/kernel/signal.c')
-rw-r--r--arch/score/kernel/signal.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index aa57440e4973..d4a49011c48a 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -28,6 +28,7 @@
#include <linux/ptrace.h>
#include <linux/unistd.h>
#include <linux/uaccess.h>
+#include <linux/tracehook.h>
#include <asm/cacheflush.h>
#include <asm/syscalls.h>
@@ -152,6 +153,9 @@ score_rt_sigreturn(struct pt_regs *regs)
stack_t st;
int sig;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
frame = (struct rt_sigframe __user *) regs->regs[0];
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
@@ -159,10 +163,7 @@ score_rt_sigreturn(struct pt_regs *regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
sig = restore_sigcontext(regs, &frame->rs_uc.uc_mcontext);
if (sig < 0)
@@ -236,9 +237,7 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
return 0;
give_sigsegv:
- if (signr == SIGSEGV)
- ka->sa.sa_handler = SIG_DFL;
- force_sig(SIGSEGV, current);
+ force_sigsegv(signr, current);
return -EFAULT;
}
@@ -272,12 +271,8 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
*/
ret = setup_rt_frame(ka, regs, sig, oldset, info);
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked, sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ if (ret == 0)
+ block_sigmask(ka, sig);
return ret;
}
@@ -356,6 +351,12 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
__u32 thread_info_flags)
{
/* deal with pending signal delivery */
- if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+ if (thread_info_flags & _TIF_SIGPENDING)
do_signal(regs);
+ if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ if (current->replacement_session_keyring)
+ key_replace_session_keyring();
+ }
}