From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754391Ab3HEK5M (ORCPT ); Mon, 5 Aug 2013 06:57:12 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:35551 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754089Ab3HEK5K (ORCPT ); Mon, 5 Aug 2013 06:57:10 -0400 From: Luis Henriques To: Li Zefan Cc: Greg Kroah-Hartman , Ingo Molnar , Peter Zijlstra , LKML , stable Subject: Re: stable: please queue commit 0231bb5 ("perf: Fix event group context move") References: <51FF5FC9.8080302@huawei.com> Date: Mon, 05 Aug 2013 11:57:01 +0100 In-Reply-To: <51FF5FC9.8080302@huawei.com> (Li Zefan's message of "Mon, 5 Aug 2013 16:18:17 +0800") Message-ID: <87fvuojthe.fsf@canonical.com> User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Li Zefan writes: > Plese consider adding commit 0231bb5336758426b44ccd798ccd3c5419c95d58 > to stable tree. It fixes a real bug, which was explained here: > > http://thread.gmane.org/gmane.linux.kernel.perf.user/1144 > > and I've managed to reproduce the bug in 3.4 kernel with the test > program attached in the above email, and I've confirmed the bug fix. > > The effect of the bug is, if we open a group of mixed events(sw/hw) > and the "disabled" flag is not set and sw events come first, then > some of the perf events won't be started after the call to perf_event_open(). > > The bug fix should be applicable to kernels >= 3.0 && <= 3.7. > > -- > Li Zefan > -- > To unsubscribe from this list: send the line "unsubscribe stable" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Thanks, I'm queuing it for the 3.5 kernel. Cheers, -- Luis