1 files changed, 3 insertions, 33 deletions

diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index bfc3ec1382fb..5c023c9cf16e 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -51,16 +51,6 @@ void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
         return (void __user *)newsp;
 }
 
-
-/*
- * Restore the user process's signal mask
- */
-void restore_sigmask(sigset_t *set)
-{
-        sigdelsetmask(set, ~_BLOCKABLE);
-        set_current_blocked(set);
-}
-
 static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
                                   int has_handler)
 {
@@ -114,30 +104,21 @@ static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
 
 static int do_signal(struct pt_regs *regs)
 {
-        sigset_t *oldset;
+        sigset_t *oldset = sigmask_to_save();
         siginfo_t info;
         int signr;
         struct k_sigaction ka;
         int ret;
         int is32 = is_32bit_task();
 
-        if (current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK)
-                oldset = &current->saved_sigmask;
-        else
-                oldset = &current->blocked;
-
         signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
         /* Is there any syscall restart business here ? */
         check_syscall_restart(regs, &ka, signr > 0);
 
         if (signr <= 0) {
-                struct thread_info *ti = current_thread_info();
                 /* No signal to deliver -- put the saved sigmask back */
-                if (ti->local_flags & _TLF_RESTORE_SIGMASK) {
-                        ti->local_flags &= ~_TLF_RESTORE_SIGMASK;
-                        sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-                }
+                restore_saved_sigmask();
                 regs->trap = 0;
                 return 0;               /* no signals delivered */
         }
@@ -167,18 +148,7 @@ static int do_signal(struct pt_regs *regs)
 
         regs->trap = 0;
         if (ret) {
-                block_sigmask(&ka, signr);
-
-                /*
-                 * A signal was successfully delivered; the saved sigmask is in
-                 * its frame, and we can clear the TLF_RESTORE_SIGMASK flag.
-                 */
-                current_thread_info()->local_flags &= ~_TLF_RESTORE_SIGMASK;
-
-                /*
-                 * Let tracing know that we've done the handler setup.
-                 */
-                tracehook_signal_handler(signr, &info, &ka, regs,
+                signal_delivered(signr, &info, &ka, regs,
                                          test_thread_flag(TIF_SINGLESTEP));
         }