From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423136AbWLVAK4 (ORCPT ); Thu, 21 Dec 2006 19:10:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423138AbWLVAK4 (ORCPT ); Thu, 21 Dec 2006 19:10:56 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:55115 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423136AbWLVAKz (ORCPT ); Thu, 21 Dec 2006 19:10:55 -0500 Date: Fri, 22 Dec 2006 01:08:13 +0100 From: Ingo Molnar To: Linus Torvalds Cc: "Paul E. McKenney" , Andrew Morton , linux-kernel@vger.kernel.org Subject: [patch] rcu: rcutorture suspend fix Message-ID: <20061222000813.GA4092@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -5.9 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-5.9 required=5.9 tests=ALL_TRUSTED,BAYES_00 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Subject: [patch] rcu: rcutorture suspend fix From: Ingo Molnar fix suspend hang: rcutorture threads need to be nofreeze. Signed-off-by: Ingo Molnar --- kernel/rcutorture.c | 3 +++ 1 file changed, 3 insertions(+) Index: linux/kernel/rcutorture.c =================================================================== --- linux.orig/kernel/rcutorture.c +++ linux/kernel/rcutorture.c @@ -522,6 +522,7 @@ rcu_torture_writer(void *arg) VERBOSE_PRINTK_STRING("rcu_torture_writer task started"); set_user_nice(current, 19); + current->flags |= PF_NOFREEZE; do { schedule_timeout_uninterruptible(1); @@ -561,6 +562,7 @@ rcu_torture_fakewriter(void *arg) VERBOSE_PRINTK_STRING("rcu_torture_fakewriter task started"); set_user_nice(current, 19); + current->flags |= PF_NOFREEZE; do { schedule_timeout_uninterruptible(1 + rcu_random(&rand)%10); @@ -591,6 +593,7 @@ rcu_torture_reader(void *arg) VERBOSE_PRINTK_STRING("rcu_torture_reader task started"); set_user_nice(current, 19); + current->flags |= PF_NOFREEZE; do { idx = cur_ops->readlock();