From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756761Ab1EPVrz (ORCPT ); Mon, 16 May 2011 17:47:55 -0400 Received: from mga02.intel.com ([134.134.136.20]:46815 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756267Ab1EPVrY (ORCPT ); Mon, 16 May 2011 17:47:24 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.65,221,1304319600"; d="scan'208";a="643471698" From: "Fenghua Yu" To: "Ingo Molnar" , "Thomas Gleixner" , "H Peter Anvin" , "Asit K Mallick" , "Linus Torvalds" , "Avi Kivity" , "Arjan van de Ven" , "Andrew Morton" , "Andi Kleen" Cc: "linux-kernel" , "Fenghua Yu" Subject: [PATCH v2 2/4] x86, cpu: Add SMEP CPU feature in CR4 Date: Mon, 16 May 2011 14:34:43 -0700 Message-Id: <1305581685-5144-3-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 1.7.2 In-Reply-To: <1305581685-5144-1-git-send-email-fenghua.yu@intel.com> References: <1305581685-5144-1-git-send-email-fenghua.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Fenghua Yu Add support for newly documented SMEP (Supervisor Mode Execution Protection) CPU feature in CR4. Signed-off-by: Fenghua Yu --- arch/x86/include/asm/processor-flags.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h index a898a2b..59ab4df 100644 --- a/arch/x86/include/asm/processor-flags.h +++ b/arch/x86/include/asm/processor-flags.h @@ -60,6 +60,7 @@ #define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */ #define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */ #define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */ +#define X86_CR4_SMEP 0x00100000 /* enable SMEP support */ /* * x86-64 Task Priority Register, CR8 -- 1.7.2