From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753703Ab3JCNz0 (ORCPT ); Thu, 3 Oct 2013 09:55:26 -0400 Received: from merlin.infradead.org ([205.233.59.134]:46843 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752347Ab3JCNzY (ORCPT ); Thu, 3 Oct 2013 09:55:24 -0400 Date: Thu, 3 Oct 2013 15:55:10 +0200 From: Peter Zijlstra To: Ingo Molnar Cc: Christoph Lameter , Tejun Heo , akpm@linuxfoundation.org, linux-arch@vger.kernel.org, Steven Rostedt , linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: [pchecks v2 2/2] percpu: Add preemption checks to __this_cpu ops Message-ID: <20131003135510.GJ28601@twins.programming.kicks-ass.net> References: <20130924154159.855373283@linux.com> <0000014150a21408-2d759c49-6a9e-4553-956f-2d4b53e710f8-000000@email.amazonses.com> <20130924171029.GB10261@gmail.com> <0000014155fdd6cf-d54da8b8-2198-40ce-8831-4559971e69f0-000000@email.amazonses.com> <20130925181146.GA16693@gmail.com> <000001415fb34afc-79a24112-5d3f-431c-b90c-d6cfa1caf27a-000000@email.amazonses.com> <20130928084412.GC26167@gmail.com> <0000014179b65a63-512751f8-346a-4621-b6d1-9abd62e781c9-000000@email.amazonses.com> <20131003072100.GA5775@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131003072100.GA5775@gmail.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, Oct 03, 2013 at 09:21:00AM +0200, Ingo Molnar wrote: > It was important to me and other maintainers as well back then and today > as well, as me and others complained about it out numerous times. I can testify to that; the lack of these preemption checks have wasted hours of my and Thomas' time, probably others as well.