From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758708AbZEKRDi (ORCPT ); Mon, 11 May 2009 13:03:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756915AbZEKRB1 (ORCPT ); Mon, 11 May 2009 13:01:27 -0400 Received: from hera.kernel.org ([140.211.167.34]:43740 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757948AbZEKRB0 (ORCPT ); Mon, 11 May 2009 13:01:26 -0400 Subject: [PATCH 13/15 -tip] x86: Add cpufeature for Bus configuration From: Jaswinder Singh Rajput To: Ingo Molnar Cc: "H. Peter Anvin" , Robert Richter , x86 maintainers , LKML In-Reply-To: <1242060812.5139.22.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> <1242060771.5139.21.camel@ht.satnam> <1242060812.5139.22.camel@ht.satnam> Content-Type: text/plain Date: Mon, 11 May 2009 22:24:18 +0530 Message-Id: <1242060858.5139.23.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_BUS_CFG : MSRC001_1023 Bus Unit Configuration Register (BU_CFG) 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 101d8de..aee0978 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -167,6 +167,7 @@ #define X86_FEATURE_SYS_CFG (7*32+ 12) /* System configuration */ #define X86_FEATURE_SMM (7*32+ 13) /* System Management Mode */ #define X86_FEATURE_MM_CFG (7*32+ 14) /* MM configuration */ +#define X86_FEATURE_BUS_CFG (7*32+ 15) /* Bus configuration */ /* 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 d068044..4b7f7dc 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -497,6 +497,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_CACHE_CTL); /* MSRC001_0058 MMIO Configuration Base Address Register*/ set_cpu_cap(c, X86_FEATURE_MM_CFG); + /* MSRC001_1023 Bus Unit Configuration Register (BU_CFG)*/ + set_cpu_cap(c, X86_FEATURE_BUS_CFG); } } -- 1.6.0.6