From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031810AbdDTLVl (ORCPT ); Thu, 20 Apr 2017 07:21:41 -0400 Received: from terminus.zytor.com ([65.50.211.136]:60257 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S944855AbdDTLVh (ORCPT ); Thu, 20 Apr 2017 07:21:37 -0400 Date: Thu, 20 Apr 2017 04:17:19 -0700 From: tip-bot for Prarit Bhargava Message-ID: Cc: tglx@linutronix.de, wanpeng.li@hotmail.com, rostedt@goodmis.org, hpa@zytor.com, peterz@infradead.org, akpm@linux-foundation.org, prarit@redhat.com, linux-kernel@vger.kernel.org, bristot@redhat.com, hidehiro.kawai.ez@hitachi.com, mingo@kernel.org, torvalds@linux-foundation.org Reply-To: torvalds@linux-foundation.org, hidehiro.kawai.ez@hitachi.com, mingo@kernel.org, bristot@redhat.com, rostedt@goodmis.org, wanpeng.li@hotmail.com, prarit@redhat.com, linux-kernel@vger.kernel.org, hpa@zytor.com, peterz@infradead.org, akpm@linux-foundation.org, tglx@linutronix.de In-Reply-To: <1492518305-3808-1-git-send-email-prarit@redhat.com> References: <1492518305-3808-1-git-send-email-prarit@redhat.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched/x86: Update reschedule warning text Git-Commit-ID: 21173d0b4d2a0b9e9e5f3155cf2cfc5781a6f4b1 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 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 21173d0b4d2a0b9e9e5f3155cf2cfc5781a6f4b1 Gitweb: http://git.kernel.org/tip/21173d0b4d2a0b9e9e5f3155cf2cfc5781a6f4b1 Author: Prarit Bhargava AuthorDate: Tue, 18 Apr 2017 08:25:05 -0400 Committer: Ingo Molnar CommitDate: Thu, 20 Apr 2017 10:14:30 +0200 sched/x86: Update reschedule warning text Modify the reschedule warning to output the offline CPU number and use a better debug message. Signed-off-by: Prarit Bhargava Cc: Andrew Morton Cc: Daniel Bristot de Oliveira Cc: Hidehiro Kawai Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Steven Rostedt (VMware) Cc: Thomas Gleixner Cc: Wanpeng Li Link: http://lkml.kernel.org/r/1492518305-3808-1-git-send-email-prarit@redhat.com [ Tweaked the warning message. ] Signed-off-by: Ingo Molnar --- arch/x86/kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index d3c66a1..3cab841 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -124,7 +124,7 @@ static bool smp_no_nmi_ipi = false; static void native_smp_send_reschedule(int cpu) { if (unlikely(cpu_is_offline(cpu))) { - WARN_ON(1); + WARN(1, "sched: Unexpected reschedule of offline CPU#%d!\n", cpu); return; } apic->send_IPI(cpu, RESCHEDULE_VECTOR);