From: Oleg Nesterov <oleg@tv-sign.ru>

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>
---

 kernel/signal.c |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

diff -puN kernel/signal.c~relax-sig_needs_tasklist kernel/signal.c
--- 25/kernel/signal.c~relax-sig_needs_tasklist	Wed Feb 22 16:50:58 2006
+++ 25-akpm/kernel/signal.c	Wed Feb 22 16:50:58 2006
@@ -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) &&	\
_