Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752688AbbGVUK2 (ORCPT ); Wed, 22 Jul 2015 16:10:28 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:58027 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750779AbbGVUK1 (ORCPT ); Wed, 22 Jul 2015 16:10:27 -0400 Date: Wed, 22 Jul 2015 22:10:17 +0200 From: Peter Zijlstra To: Vince Weaver Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Arnaldo Carvalho de Melo Subject: Re: perf: multiplexing broken on amd fam16h? Message-ID: <20150722201017.GZ25159@twins.programming.kicks-ass.net> References: <20150721193224.GW19282@twins.programming.kicks-ass.net> <20150722122208.GB19282@twins.programming.kicks-ass.net> <20150722150624.GV25159@twins.programming.kicks-ass.net> <20150722154147.GI18673@twins.programming.kicks-ass.net> <20150722190738.GY25159@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Content-Length: 826 Lines: 20 On Wed, Jul 22, 2015 at 03:59:28PM -0400, Vince Weaver wrote: > On Wed, 22 Jul 2015, Peter Zijlstra wrote: > > > On Wed, Jul 22, 2015 at 12:56:23PM -0400, Vince Weaver wrote: > > > yes, with this applied the check_multiplex test passes. > > > > Awesome, I'll try and write up a proper patch later tonight. > > I'm just curious, it seems like sort of a generic fix, is there a reaon I > was only hitting the bug on AMD fam16h? Not that I can think of.. maybe just consistently lucky on timings :/ >From what I can tell of the thing it _should_ fail on pretty much everything. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/