X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=kernel%2Fsignal.c;h=be4f856d52f81bab8184544b5dd6dd9b823bc21b;hb=a9197f903f72a81393932d452379c8847fade544;hp=677102789cf22d4847936782f6c6f67085421927;hpb=404c3bc30cb1361e1b3533643326ab472d24a618;p=~andy%2Flinux

diff --git a/kernel/signal.c b/kernel/signal.c
index 677102789cf..be4f856d52f 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1971,6 +1971,13 @@ static void ptrace_do_notify(int signr, int exit_code, int why)
 void ptrace_notify(int exit_code)
 {
 	BUG_ON((exit_code & (0x7f | ~0xffff)) != SIGTRAP);
+	if (unlikely(current->task_works)) {
+		if (test_and_clear_ti_thread_flag(current_thread_info(),
+						   TIF_NOTIFY_RESUME)) {
+			smp_mb__after_clear_bit();
+			task_work_run();
+		}
+	}
 
 	spin_lock_irq(&current->sighand->siglock);
 	ptrace_do_notify(SIGTRAP, exit_code, CLD_TRAPPED);
@@ -2191,6 +2198,14 @@ int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka,
 	struct signal_struct *signal = current->signal;
 	int signr;
 
+	if (unlikely(current->task_works)) {
+		if (test_and_clear_ti_thread_flag(current_thread_info(),
+						   TIF_NOTIFY_RESUME)) {
+			smp_mb__after_clear_bit();
+			task_work_run();
+		}
+	}
+
 	if (unlikely(uprobe_deny_signal()))
 		return 0;