Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964899Ab2J3RNQ (ORCPT ); Tue, 30 Oct 2012 13:13:16 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:29047 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759908Ab2J3RNP (ORCPT ); Tue, 30 Oct 2012 13:13:15 -0400 X-Authority-Analysis: v=2.0 cv=NLdXCjGg c=1 sm=0 a=rXTBtCOcEpjy1lPqhTCpEQ==:17 a=mNMOxpOpBa8A:10 a=V7vpMoT6iB0A:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=meVymXHHAAAA:8 a=ficjY6ek3-4A:10 a=4zWabA5HZc9f5xMd64YA:9 a=PUjeQqilurYA:10 a=rXTBtCOcEpjy1lPqhTCpEQ==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.115.198 Message-ID: <1351617192.8467.124.camel@gandalf.local.home> Subject: Re: [PATCH 0/2] irq_work: A couple fixes From: Steven Rostedt To: Frederic Weisbecker Cc: Peter Zijlstra , LKML , Ingo Molnar , Thomas Gleixner , Andrew Morton , Paul Gortmaker Date: Tue, 30 Oct 2012 13:13:12 -0400 In-Reply-To: References: <1351611301-3520-1-git-send-email-fweisbec@gmail.com> <1351612350.8467.104.camel@gandalf.local.home> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.4.3-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 524 Lines: 15 On Tue, 2012-10-30 at 17:25 +0100, Frederic Weisbecker wrote: > No I was worried about the cpu_relax() in irq_work_sync() That one is fine too, as this is the purpose of cpu_relax(). Not only to relax the cpu, but also to tell gcc that the loop needs to be reread. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/