From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761526AbZFKKAl (ORCPT ); Thu, 11 Jun 2009 06:00:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761080AbZFKKAW (ORCPT ); Thu, 11 Jun 2009 06:00:22 -0400 Received: from hera.kernel.org ([140.211.167.34]:54750 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760297AbZFKKAV (ORCPT ); Thu, 11 Jun 2009 06:00:21 -0400 Subject: [PATCH 1/2 -tip] x86: perf_counter check AMD performance monitoring support From: Jaswinder Singh Rajput To: Ingo Molnar , Thomas Gleixner , x86 maintainers , LKML Content-Type: text/plain Date: Thu, 11 Jun 2009 15:28:09 +0530 Message-Id: <1244714289.6923.0.camel@ht.satnam> Mime-Version: 1.0 X-Mailer: Evolution 2.24.5 (2.24.5-1.fc10) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org AMD supports performance monitoring from K7. Signed-off-by: Jaswinder Singh Rajput --- arch/x86/kernel/cpu/perf_counter.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index 57ae1be..719a7d5 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -1452,6 +1452,10 @@ static int intel_pmu_init(void) static int amd_pmu_init(void) { + /* performance-monitoring supported from K7 */ + if (boot_cpu_data.x86 < 6) + return -ENODEV; + x86_pmu = amd_pmu; switch (boot_cpu_data.x86) { -- 1.6.0.6