diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-03 08:44:44 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@rostedt.homelinux.com> | 2012-10-26 14:41:03 -0400 |
| commit | 9ff58e986f1ceb40da3385d3caf57b556c53dd54 (patch) | |
| tree | 90b5c9b70580f0387adc0ade136a9f9bf055d6df /kernel/signal.c | |
| parent | 666e64e0c25b29d4ca4faf06e05156f13bff5bc4 (diff) | |
signals: Do not wakeup self
Signals which are delivered by current to current can do without
waking up current :)
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index f966ff72cd79..fa0b0cdbd705 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -637,6 +637,9 @@ void signal_wake_up(struct task_struct *t, int resume) set_tsk_thread_flag(t, TIF_SIGPENDING); + if (unlikely(t == current)) + return; + /* * For SIGKILL, we want to wake it up in the stopped/traced/killable * case. We don't check t->state here because there is a race with it |