From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755585Ab3AXUHu (ORCPT ); Thu, 24 Jan 2013 15:07:50 -0500 Received: from terminus.zytor.com ([198.137.202.10]:34298 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755536Ab3AXUHn (ORCPT ); Thu, 24 Jan 2013 15:07:43 -0500 Date: Thu, 24 Jan 2013 12:07:28 -0800 From: tip-bot for Dave Jones Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, akpm@linux-foundation.org, davej@redhat.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, tglx@linutronix.de, davej@redhat.com In-Reply-To: <20130118175847.GA27662@redhat.com> References: <20130118175847.GA27662@redhat.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/apic] x86/apic: Remove noisy zero-mask warning from default_send_IPI_mask_logical() Git-Commit-ID: e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7 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-4.2.7 (terminus.zytor.com [127.0.0.1]); Thu, 24 Jan 2013 12:07:34 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7 Gitweb: http://git.kernel.org/tip/e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7 Author: Dave Jones AuthorDate: Fri, 18 Jan 2013 12:58:47 -0500 Committer: Ingo Molnar CommitDate: Thu, 24 Jan 2013 12:12:42 +0100 x86/apic: Remove noisy zero-mask warning from default_send_IPI_mask_logical() Since circa 3.5, we've had dozens of reports of people hitting this warning. Forwarded reports have been met with silence, so just remove the warning if no-one cares. Example reports: https://bugzilla.redhat.com/show_bug.cgi?id=797687 https://bugzilla.redhat.com/show_bug.cgi?id=867174 https://bugzilla.redhat.com/show_bug.cgi?id=894865 Signed-off-by: Dave Jones Cc: Andrew Morton Link: http://lkml.kernel.org/r/20130118175847.GA27662@redhat.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/ipi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c index cce91bf..7434d85 100644 --- a/arch/x86/kernel/apic/ipi.c +++ b/arch/x86/kernel/apic/ipi.c @@ -106,7 +106,7 @@ void default_send_IPI_mask_logical(const struct cpumask *cpumask, int vector) unsigned long mask = cpumask_bits(cpumask)[0]; unsigned long flags; - if (WARN_ONCE(!mask, "empty IPI mask")) + if (!mask) return; local_irq_save(flags);