powerpc: Add TIF_NOTIFY_RESUME support for tracehook

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

diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index e74aa0ed4e9ef0e931e2157757d4dd5ecc9d8999..a54405ebd7b0c35236cafedb3edee13bcfb67fb3 100644 (file)
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -112,7 +112,7 @@ static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
        }
 }
 
-int do_signal(sigset_t *oldset, struct pt_regs *regs)
+static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
 {
        siginfo_t info;
        int signr;
@@ -188,6 +188,17 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs)
        return ret;
 }
 
+void do_signal(struct pt_regs *regs, unsigned long thread_info_flags)
+{
+       if (thread_info_flags & _TIF_SIGPENDING)
+               do_signal_pending(NULL, regs);
+
+       if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+               clear_thread_flag(TIF_NOTIFY_RESUME);
+               tracehook_notify_resume(regs);
+       }
+}
+
 long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
                unsigned long r5, unsigned long r6, unsigned long r7,
                unsigned long r8, struct pt_regs *regs)