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authorOleg Nesterov <oleg@tv-sign.ru>2006-03-28 16:11:23 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-28 18:36:43 -0800
commitaacc90944d4b1f2fcec73a8127eb60a3a701ce1c (patch)
tree34b8977a00913e46858d918fd437143882c66ee3 /kernel
parenta122b341b74c08020f6521b615acca6a692aac79 (diff)
downloadop-kernel-dev-aacc90944d4b1f2fcec73a8127eb60a3a701ce1c.zip
op-kernel-dev-aacc90944d4b1f2fcec73a8127eb60a3a701ce1c.tar.gz
[PATCH] do_group_exit: don't take tasklist_lock
do_group_exit() takes tasklist_lock for zap_other_threads(), this is unneeded now. 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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/exit.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 44d6c6e..aea23e7 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -985,7 +985,6 @@ do_group_exit(int exit_code)
else if (!thread_group_empty(current)) {
struct signal_struct *const sig = current->signal;
struct sighand_struct *const sighand = current->sighand;
- read_lock(&tasklist_lock);
spin_lock_irq(&sighand->siglock);
if (sig->flags & SIGNAL_GROUP_EXIT)
/* Another thread got here before we took the lock. */
@@ -995,7 +994,6 @@ do_group_exit(int exit_code)
zap_other_threads(current);
}
spin_unlock_irq(&sighand->siglock);
- read_unlock(&tasklist_lock);
}
do_exit(exit_code);
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