From 86174cdcb44c095ffd2e3ca69caa56244cf701d5 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Sun, 8 Jan 2006 01:03:28 -0800
Subject: [PATCH] [PATCH] remove unneeded sig->curr_target recalculation
This patch removes unneeded sig->curr_target recalculation under 'if
(atomic_dec_and_test(&sig->count))' in __exit_signal().
When sig->count == 0 the signal can't be sent to this task and
next_thread(tsk) == tsk anyway.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
kernel/signal.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/signal.c b/kernel/signal.c
index 114cf9209bcd..08aa5b263f36 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -364,8 +364,6 @@ void __exit_signal(struct task_struct *tsk)
posix_cpu_timers_exit(tsk);
if (atomic_dec_and_test(&sig->count)) {
posix_cpu_timers_exit_group(tsk);
- if (tsk == sig->curr_target)
- sig->curr_target = next_thread(tsk);
tsk->signal = NULL;
__exit_sighand(tsk);
spin_unlock(&sighand->siglock);
--
GitLab