From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755104Ab0IMUJC (ORCPT ); Mon, 13 Sep 2010 16:09:02 -0400 Received: from mail-ww0-f42.google.com ([74.125.82.42]:35412 "EHLO mail-ww0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753826Ab0IMUJA (ORCPT ); Mon, 13 Sep 2010 16:09:00 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=VCjIS87Je/Q4veMiNPi2p15JzJGQQ+JfOFnJaZZtLRCYHaXLGjpLKwX03v+HDtZZgh +6V4hU94QXbPkgAU7nxHBSzkAhfAObczpLRMMss3zMhd3o9AywxCKcVj0qPYzMetoL9D bfgRmoNgVEqPuv76bE5K+iChGY79pgeDRGYQY= Date: Mon, 13 Sep 2010 22:08:55 +0200 From: Frederic Weisbecker To: Matt Helsley Cc: containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Prasad , Peter Zijlstra , Arnaldo Carvalho de Melo , Steven Rostedt , Ingo Molnar , Will Deacon , Mahesh Salgaonkar Subject: Re: [PATCH 0/3] perf_events and hw_breakpoints fix and cleanup Message-ID: <20100913200852.GC6155@nowhere> References: <1284408080-2135-1-git-send-email-matthltc@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1284408080-2135-1-git-send-email-matthltc@us.ibm.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 13, 2010 at 01:01:17PM -0700, Matt Helsley wrote: > Fixes a bug in the way that hardward breakpoints pass around [v]pids. > > The last two patches move the pid resolution closer to the syscall > and avoid passing pids entirely so that the perf event code does not > need to worry about being in the wrong pid namespace when kernel > counters are created. > > NOTE: Applies to -tip perf/core. Compile-tested only at the moment. Thanks a lot, I'll test that and push for -tip + backport in no big problem arise.