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authorOleg Nesterov <oleg@tv-sign.ru>2006-03-28 16:11:22 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-28 18:36:43 -0800
commit6108ccd3e2f3012d5eec582e0af4d75e693824da (patch)
tree944465dbb375e98b628e799794ca60b8e0bed61e /kernel
parent7d7185c818925ba5fe90efa75840d0b415032774 (diff)
[PATCH] relax sig_needs_tasklist()
handle_stop_signal() does not need tasklist_lock for SIG_KERNEL_STOP_MASK signals anymore. 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/signal.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 6ea49f742a2f..e99ec2f891a0 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -146,8 +146,7 @@ static kmem_cache_t *sigqueue_cachep;
#define sig_kernel_stop(sig) \
(((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK))
-#define sig_needs_tasklist(sig) \
- (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK | M(SIGCONT)))
+#define sig_needs_tasklist(sig) ((sig) == SIGCONT)
#define sig_user_defined(t, signr) \
(((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \