From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754365AbcCWIer (ORCPT ); Wed, 23 Mar 2016 04:34:47 -0400 Received: from casper.infradead.org ([85.118.1.10]:45676 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754485AbcCWIen (ORCPT ); Wed, 23 Mar 2016 04:34:43 -0400 Date: Wed, 23 Mar 2016 09:34:38 +0100 From: Peter Zijlstra To: Alexander Shishkin Cc: Ingo Molnar , linux-kernel@vger.kernel.org, vince@deater.net, eranian@google.com, Arnaldo Carvalho de Melo Subject: Re: [PATCH v2 2/5] perf: Free aux pages in unmap path Message-ID: <20160323083438.GU6344@twins.programming.kicks-ass.net> References: <1457098969-21595-1-git-send-email-alexander.shishkin@linux.intel.com> <1457098969-21595-3-git-send-email-alexander.shishkin@linux.intel.com> <20160314123837.GU6356@twins.programming.kicks-ass.net> <87fuvtyx37.fsf@ashishki-desk.ger.corp.intel.com> <20160314164218.GP6344@twins.programming.kicks-ass.net> <87d1qtz23d.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87d1qtz23d.fsf@ashishki-desk.ger.corp.intel.com> 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 Thu, Mar 17, 2016 at 03:05:42PM +0200, Alexander Shishkin wrote: > > We should be able to send IPIs with rcu_read_lock() held; > Ok, so how about this one instead. Looks good, thanks!