From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751995AbbCTRQc (ORCPT ); Fri, 20 Mar 2015 13:16:32 -0400 Received: from mail-wg0-f49.google.com ([74.125.82.49]:35210 "EHLO mail-wg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751575AbbCTROi (ORCPT ); Fri, 20 Mar 2015 13:14:38 -0400 Message-ID: <1426871675.3356.7.camel@gmail.com> Subject: Re: smp_call_function_single lockups From: Mike Galbraith To: Linus Torvalds Cc: Peter Zijlstra , Rafael David Tinoco , LKML , Thomas Gleixner , Jens Axboe , Frederic Weisbecker Date: Fri, 20 Mar 2015 18:14:35 +0100 In-Reply-To: References: <20150320101558.GD17717@twins.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.11 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2015-03-20 at 09:26 -0700, Linus Torvalds wrote: > On Fri, Mar 20, 2015 at 3:15 AM, Peter Zijlstra wrote: > > > > Linus, any plans for this patch? I think it does solve a fair few issues > > the current code has. > > So I didn't really have any plans. I think it's a good patch, and it > might even fix a bug and improve code generation, but it didn't fix > the lockup problem, so.. > > > do you want me to route it through tip (and write a changelog while I'm > > at it) or will you be taking it yourself? > > If you think it's worth committing, then go ahead. Add my signed-off, > although I have to note that I didn't do a lot of testing of that > patch (I think it was compile-tested when I sent it out, and then I > ended up running it for a while, and obviously it got *some* testing > by the person who saw the lockup that just showed that it didn't fix > the problem ;( I carried it for a while on boxen big and small, so it got some burn-in. -Mike