From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965597AbeAKTyn (ORCPT + 1 other); Thu, 11 Jan 2018 14:54:43 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:53188 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934174AbeAKTyl (ORCPT ); Thu, 11 Jan 2018 14:54:41 -0500 Date: Thu, 11 Jan 2018 20:54:37 +0100 From: Peter Zijlstra To: kan.liang@linux.intel.com Cc: mingo@kernel.org, Linux-kernel@vger.kernel.org, ak@linux.intel.com Subject: Re: [PATCH] perf/x86/rapl: Fix Haswell and Broadwell server RAPL event Message-ID: <20180111195437.GC3397@worktop> References: <1515698143-366708-1-git-send-email-kan.liang@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1515698143-366708-1-git-send-email-kan.liang@linux.intel.com> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On Thu, Jan 11, 2018 at 11:15:43AM -0800, kan.liang@linux.intel.com wrote: > From: Kan Liang > > Perf-fuzzer triggers non-existent MSR access in RAPL driver on > Haswell-EX. > > Haswell/Broadwell server and client have differnt RAPL events. > Since 'commit 7f2236d0bf9a ("perf/x86/rapl: Use Intel family macros for > RAPL")', it accidentally assign RAPL client events to server. Thanks!