From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932736AbcDYNgV (ORCPT ); Mon, 25 Apr 2016 09:36:21 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:49222 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932502AbcDYNgT (ORCPT ); Mon, 25 Apr 2016 09:36:19 -0400 Date: Mon, 25 Apr 2016 15:36:15 +0200 From: Peter Zijlstra To: Alexander Shishkin Cc: Ingo Molnar , linux-kernel@vger.kernel.org, vince@deater.net, eranian@google.com, Arnaldo Carvalho de Melo , Mathieu Poirier Subject: Re: [PATCH v1 4/5] perf: Introduce address range filtering Message-ID: <20160425133615.GL24771@twins.programming.kicks-ass.net> References: <1461251823-12416-1-git-send-email-alexander.shishkin@linux.intel.com> <1461251823-12416-5-git-send-email-alexander.shishkin@linux.intel.com> <20160422074555.GB3448@twins.programming.kicks-ass.net> <87zisl8vls.fsf@ashishki-desk.ger.corp.intel.com> <20160425131013.GD3448@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160425131013.GD3448@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 25, 2016 at 03:10:13PM +0200, Peter Zijlstra wrote: > - can we race with an actual stop, and accidentally re-enable the > thing? If not, this might be a good place for a comment explaining > how. A quick look seems to suggest we might not care; still wants a comment.