Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933853Ab3ECOkW (ORCPT ); Fri, 3 May 2013 10:40:22 -0400 Received: from mga14.intel.com ([143.182.124.37]:62581 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933652Ab3ECOfI (ORCPT ); Fri, 3 May 2013 10:35:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,605,1363158000"; d="scan'208";a="297105456" Date: Fri, 3 May 2013 07:35:07 -0700 From: Andi Kleen To: Peter Zijlstra Cc: mingo@kernel.org, linux-kernel@vger.kernel.org, eranian@google.com Subject: Re: [PATCH 1/3] perf, x86: Blacklist all MEM_*_RETIRED events for IVB Message-ID: <20130503143507.GP19487@tassilo.jf.intel.com> References: <20130503121122.931661809@chello.nl> <20130503121256.083340271@chello.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130503121256.083340271@chello.nl> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 523 Lines: 13 On Fri, May 03, 2013 at 02:11:23PM +0200, Peter Zijlstra wrote: > Errata BV98 states that all MEM_*_RETIRED events corrupt the counter > value of the SMT sibling's counters. Blacklist these events I disagree with this patch. This is just overkill and not needed at all. -Andi -- 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/