From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753491Ab2BGOgS (ORCPT ); Tue, 7 Feb 2012 09:36:18 -0500 Received: from mail-wi0-f174.google.com ([209.85.212.174]:36497 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751625Ab2BGOgR (ORCPT ); Tue, 7 Feb 2012 09:36:17 -0500 Message-ID: <1328625373.3443.8.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Subject: Re: [PATCH v2] perf: fix assertion failure in x86_pmu_start() From: Eric Dumazet To: Stephane Eranian Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@elte.hu, markus@trippelsdorf.de, paulus@samba.org Date: Tue, 07 Feb 2012 15:36:13 +0100 In-Reply-To: <20120207133956.GA4932@quad> References: <20120207133956.GA4932@quad> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.2- Content-Transfer-Encoding: 8bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le mardi 07 février 2012 à 14:39 +0100, Stephane Eranian a écrit : > The following patch fixes an issue introduced by the following > commit: > e050e3f0a71b ("perf: Fix broken interrupt rate throttling") > > The patch caused the following warning to pop up depending on > the sampling frequency adjustments: > ... > > In this second version, we've added calls to disable/enable PMU during > unthrottling or frequency adjustment based on bug report of spurious > NMI interrupts from Eric Dumazet. > > Signed-off-by: Stephane Eranian > --- I tested successfully this patch on my two dev machines, thanks for fixing this Stephane. Reported-and-tested-by: Eric Dumazet