From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758570AbZEKRC6 (ORCPT ); Mon, 11 May 2009 13:02:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758019AbZEKRAo (ORCPT ); Mon, 11 May 2009 13:00:44 -0400 Received: from hera.kernel.org ([140.211.167.34]:43686 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757743AbZEKRAn (ORCPT ); Mon, 11 May 2009 13:00:43 -0400 Subject: [PATCH 11/15 -tip] x86: Add cpufeature for System management mode (SMM) From: Jaswinder Singh Rajput To: Ingo Molnar Cc: "H. Peter Anvin" , Robert Richter , x86 maintainers , LKML In-Reply-To: <1242060721.5139.20.camel@ht.satnam> References: <1242058494.5139.7.camel@ht.satnam> <1242060119.5139.9.camel@ht.satnam> <1242060207.5139.11.camel@ht.satnam> <1242060254.5139.12.camel@ht.satnam> <1242060301.5139.13.camel@ht.satnam> <1242060523.5139.15.camel@ht.satnam> <1242060567.5139.16.camel@ht.satnam> <1242060601.5139.17.camel@ht.satnam> <1242060644.5139.18.camel@ht.satnam> <1242060681.5139.19.camel@ht.satnam> <1242060721.5139.20.camel@ht.satnam> Content-Type: text/plain Date: Mon, 11 May 2009 22:22:51 +0530 Message-Id: <1242060771.5139.21.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 X86_FEATURE_SMM : SMM MSRs C001_0111-C001_0113 & C001_0050-C000_0056 Signed-off-by: Jaswinder Singh Rajput --- arch/x86/include/asm/cpufeature.h | 1 + arch/x86/kernel/cpu/amd.c | 2 ++ 2 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 674493f..e108284 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -165,6 +165,7 @@ #define X86_FEATURE_PLATFORM (7*32+ 10) /* Platform feature */ #define X86_FEATURE_HW_CFG (7*32+ 11) /* Hardware configuration */ #define X86_FEATURE_SYS_CFG (7*32+ 12) /* System configuration */ +#define X86_FEATURE_SMM (7*32+ 13) /* System Management Mode */ /* Virtualization flags: Linux defined */ #define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */ diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 8a8db1a..88cac44 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -489,6 +489,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) * MSRC001_001F Northbridge Configuration Register (NB_CFG) */ set_cpu_cap(c, X86_FEATURE_SYS_CFG); + /* SMM MSRs C001_0111-C001_0113 & C001_0050-C000_0056 */ + set_cpu_cap(c, X86_FEATURE_SMM); } if (c->x86 >= 0x10) { /* fam10h+ */ /* MSRC001_1022 Data Cache Configuration (DC_CFG) */ -- 1.6.0.6