From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932663AbWAJVKZ (ORCPT ); Tue, 10 Jan 2006 16:10:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932691AbWAJVKY (ORCPT ); Tue, 10 Jan 2006 16:10:24 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:38315 "EHLO mx3.mail.elte.hu") by vger.kernel.org with ESMTP id S932663AbWAJVKY (ORCPT ); Tue, 10 Jan 2006 16:10:24 -0500 Date: Tue, 10 Jan 2006 22:10:36 +0100 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org Subject: [patch] mark mutex_lock*() as might_sleep() Message-ID: <20060110211036.GA9460@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=AWL autolearn=no SpamAssassin version=3.0.3 0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org mark mutex_lock() and mutex_lock_interruptible() as might_sleep() functions. Signed-off-by: Ingo Molnar ---- kernel/mutex.c | 2 ++ 1 files changed, 2 insertions(+) Index: linux/kernel/mutex.c =================================================================== --- linux.orig/kernel/mutex.c +++ linux/kernel/mutex.c @@ -81,6 +81,7 @@ __mutex_lock_slowpath(atomic_t *lock_cou */ void fastcall __sched mutex_lock(struct mutex *lock) { + might_sleep(); /* * The locking fastpath is the 1->0 transition from * 'unlocked' into 'locked' state. @@ -253,6 +254,7 @@ __mutex_lock_interruptible_slowpath(atom */ int fastcall __sched mutex_lock_interruptible(struct mutex *lock) { + might_sleep(); return __mutex_fastpath_lock_retval (&lock->count, __mutex_lock_interruptible_slowpath); }