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authorOleg Nesterov2006-03-29 02:11:27 +0200
committerLinus Torvalds2006-03-29 04:36:44 +0200
commita7e5328a06a2beee3a2bbfaf87ce2a7bbe937de1 (patch)
tree168102a80e9b98d19e8bf39156d35dacdb253c3d /kernel/exit.c
parent[PATCH] make fork() atomic wrt pgrp/session signals (diff)
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[PATCH] cleanup __exit_signal->cleanup_sighand path
Move 'tsk->sighand = NULL' from cleanup_sighand() to __exit_signal(). This makes the exit path more understandable and allows us to do cleanup_sighand() outside of ->siglock protected section. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 22399caf7574..bc0ec674d3f4 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -114,10 +114,11 @@ static void __exit_signal(struct task_struct *tsk)
__unhash_process(tsk);
tsk->signal = NULL;
- cleanup_sighand(tsk);
+ tsk->sighand = NULL;
spin_unlock(&sighand->siglock);
rcu_read_unlock();
+ __cleanup_sighand(sighand);
clear_tsk_thread_flag(tsk,TIF_SIGPENDING);
flush_sigqueue(&tsk->pending);
if (sig) {