TIF_RESTORE_SIGMASK can be set only when TIF_SIGPENDING is set

[deliverable/linux.git] / arch / parisc / kernel / signal.c

diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 4b9cb0d546d132fb39c5ba57d3986f3b109dff48..7f3c8f2c962d1aa832d12b56e524d1f11fb786f1 100644 (file)
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -443,8 +443,9 @@ give_sigsegv:
 
 static long
 handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
-               sigset_t *oldset, struct pt_regs *regs, int in_syscall)
+               struct pt_regs *regs, int in_syscall)
 {
+       sigset_t *oldset = sigmask_to_save();
        DBG(1,"handle_signal: sig=%ld, ka=%p, info=%p, oldset=%p, regs=%p\n",
               sig, ka, info, oldset, regs);
        
@@ -458,6 +459,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
                test_thread_flag(TIF_SINGLESTEP) ||
                test_thread_flag(TIF_BLOCKSTEP));
 
+       DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n",
+               regs->gr[28]);
+
        return 1;
 }
 
@@ -568,28 +572,17 @@ do_signal(struct pt_regs *regs, long in_syscall)
        siginfo_t info;
        struct k_sigaction ka;
        int signr;
-       sigset_t *oldset;
 
-       DBG(1,"\ndo_signal: oldset=0x%p, regs=0x%p, sr7 %#lx, in_syscall=%d\n",
-              oldset, regs, regs->sr[7], in_syscall);
+       DBG(1,"\ndo_signal: regs=0x%p, sr7 %#lx, in_syscall=%d\n",
+              regs, regs->sr[7], in_syscall);
 
        /* Everyone else checks to see if they are in kernel mode at
           this point and exits if that's the case.  I'm not sure why
           we would be called in that case, but for some reason we
           are. */
 
-       if (test_thread_flag(TIF_RESTORE_SIGMASK))
-               oldset = &current->saved_sigmask;
-       else
-               oldset = &current->blocked;
-
-       DBG(1,"do_signal: oldset %08lx / %08lx\n", 
-               oldset->sig[0], oldset->sig[1]);
-
-
        /* May need to force signal if handle_signal failed to deliver */
        while (1) {
-         
                signr = get_signal_to_deliver(&info, &ka, regs, NULL);
                DBG(3,"do_signal: signr = %d, regs->gr[28] = %ld\n", signr, regs->gr[28]); 
        
@@ -603,14 +596,8 @@ do_signal(struct pt_regs *regs, long in_syscall)
                /* Whee!  Actually deliver the signal.  If the
                   delivery failed, we need to continue to iterate in
                   this loop so we can deliver the SIGSEGV... */
-               if (handle_signal(signr, &info, &ka, oldset,
-                                 regs, in_syscall)) {
-                       DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n",
-                               regs->gr[28]);
-                       if (test_thread_flag(TIF_RESTORE_SIGMASK))
-                               clear_thread_flag(TIF_RESTORE_SIGMASK);
+               if (handle_signal(signr, &info, &ka, regs, in_syscall))
                        return;
-               }
        }
        /* end of while(1) looping forever if we can't force a signal */
 
@@ -621,24 +608,16 @@ do_signal(struct pt_regs *regs, long in_syscall)
        DBG(1,"do_signal: Exit (not delivered), regs->gr[28] = %ld\n", 
                regs->gr[28]);
 
-       if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
-               clear_thread_flag(TIF_RESTORE_SIGMASK);
-               sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-       }
-
-       return;
+       restore_saved_sigmask();
 }
 
 void do_notify_resume(struct pt_regs *regs, long in_syscall)
 {
-       if (test_thread_flag(TIF_SIGPENDING) ||
-           test_thread_flag(TIF_RESTORE_SIGMASK))
+       if (test_thread_flag(TIF_SIGPENDING))
                do_signal(regs, in_syscall);
 
        if (test_thread_flag(TIF_NOTIFY_RESUME)) {
                clear_thread_flag(TIF_NOTIFY_RESUME);
                tracehook_notify_resume(regs);
-               if (current->replacement_session_keyring)
-                       key_replace_session_keyring();
        }
 }