From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759327Ab2JYJ2Q (ORCPT ); Thu, 25 Oct 2012 05:28:16 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:56113 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759270Ab2JYJ2N (ORCPT ); Thu, 25 Oct 2012 05:28:13 -0400 From: Ivan Hu To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, alex.shi@intel.com, borislav.petkov@amd.com, ivan.hu@canonical.com, linux-kernel@vger.kernel.org Subject: [PATCH] x86, intel, power: Modify the MSR_IA32_ENERGY_PERF_BIAS message from warning to info Date: Thu, 25 Oct 2012 17:28:00 +0800 Message-Id: <1351157280-9935-1-git-send-email-ivan.hu@canonical.com> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Intel IA32 program guild doesn't mention that this MSR should be set by BIOS, instead, it mentions "Software can use whatever criteria it sees fit to program the MSR with the appropriate value.". Discuss with IBV, they'd like to keep this MSR as default, and let OS to change value if desired. This message should be more proper set as an info than a warning. Signed-off-by: Ivan Hu --- arch/x86/kernel/cpu/intel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 198e019..2bdc6bf 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -466,7 +466,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) rdmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb); if ((epb & 0xF) == ENERGY_PERF_BIAS_PERFORMANCE) { - printk_once(KERN_WARNING "ENERGY_PERF_BIAS:" + printk_once(KERN_INFO "ENERGY_PERF_BIAS:" " Set to 'normal', was 'performance'\n" "ENERGY_PERF_BIAS: View and update with" " x86_energy_perf_policy(8)\n"); -- 1.7.10.4