]> pilppa.com Git - linux-2.6-omap-h63xx.git/commit
lock_task_sighand: add rcu lock/unlock
authorOleg Nesterov <oleg@tv-sign.ru>
Wed, 30 Apr 2008 07:52:37 +0000 (00:52 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 30 Apr 2008 15:29:33 +0000 (08:29 -0700)
commit1406f2d321bae5ac5ff729dcb773336d9c05ec74
tree178f7e2d800cee7be211225952f397458707587a
parentbfc4b0890af566940de6e7aeb4b5faf46d3c3513
lock_task_sighand: add rcu lock/unlock

Most of the callers of lock_task_sighand() doesn't actually need rcu_lock().
lock_task_sighand() needs it only to safely play with tsk->sighand, it can
take the lock itself.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/signal.c