tree fef15e8442be8ab8c72439ff916855444a8e95b8
parent 24ec839c431eb79bb8f6abc00c4e1eb3b8c4d517
author Oleg Nesterov <oleg@tv-sign.ru> 1165574167 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1165595318 -0800

[PATCH] do_task_stat(): don't take tty_mutex

->signal->tty is protected by ->siglock, no need to take the global tty_mutex.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>