From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933701Ab2ERLQt (ORCPT ); Fri, 18 May 2012 07:16:49 -0400 Received: from terminus.zytor.com ([198.137.202.10]:42959 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933182Ab2ERLQr (ORCPT ); Fri, 18 May 2012 07:16:47 -0400 Date: Fri, 18 May 2012 04:16:32 -0700 From: tip-bot for Konstantin Khlebnikov Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, a.p.zijlstra@chello.nl, khlebnikov@openvz.org, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, khlebnikov@openvz.org, tglx@linutronix.de In-Reply-To: <20120510122004.4873.12726.stgit@zurg> References: <20120510122004.4873.12726.stgit@zurg> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched: Taint kernel with TAINT_WARN after sleep-in-atomic bug Git-Commit-ID: 1c2927f18576d65631d8e0ddd19e1d023183222e X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Fri, 18 May 2012 04:16:39 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 1c2927f18576d65631d8e0ddd19e1d023183222e Gitweb: http://git.kernel.org/tip/1c2927f18576d65631d8e0ddd19e1d023183222e Author: Konstantin Khlebnikov AuthorDate: Thu, 10 May 2012 16:20:04 +0400 Committer: Ingo Molnar CommitDate: Fri, 18 May 2012 13:07:40 +0200 sched: Taint kernel with TAINT_WARN after sleep-in-atomic bug Usually sleep-in-atomic bugs are followed by dozens other warnings. This patch should help to figure out original source of problem. Signed-off-by: Konstantin Khlebnikov Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/20120510122004.4873.12726.stgit@zurg Signed-off-by: Ingo Molnar --- kernel/sched/core.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 24ca677..ab9745f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3138,6 +3138,7 @@ static noinline void __schedule_bug(struct task_struct *prev) if (irqs_disabled()) print_irqtrace_events(prev); dump_stack(); + add_taint(TAINT_WARN); } /*