From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vineet Gupta Subject: Re: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware Date: Fri, 13 May 2016 14:06:40 +0530 Message-ID: <57359218.6030105@synopsys.com> References: <1462786660-2900-1-git-send-email-vgupta@synopsys.com> <1462786660-2900-3-git-send-email-vgupta@synopsys.com> <5730C79F.3060307@synopsys.com> <20160511193627.GH3190@twins.programming.kicks-ass.net> <5734229B.90706@synopsys.com> <20160512064201.GL3192@twins.programming.kicks-ass.net> <573428A1.3060402@synopsys.com> <20160512072542.GM3192@twins.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Return-path: Received: from smtprelay.synopsys.com ([198.182.60.111]:54055 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751536AbcEMIhA (ORCPT ); Fri, 13 May 2016 04:37:00 -0400 In-Reply-To: Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Vince Weaver , Peter Zijlstra Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, acme@redhat.com, linux-snps-arc@lists.infradead.org, mingo@kernel.org On Friday 13 May 2016 04:34 AM, Vince Weaver wrote: > On Thu, 12 May 2016, Peter Zijlstra wrote: > >> Ah.. which might be a hint that nobody is actually explicitly testing >> for this and we might just get away with changing the ABI. >> >> Vince, what say you; shall we try and get away with it? ;-) > > It's probably worth trying. > > The only other time anyone else noticed was in this thread > https://lkml.org/lkml/2015/6/11/136 > and I think the conclusion at the end of that was also that it's probably > worth changing. I presume that the RFC patches I posted are fine or do we want any changes.