From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1947885AbcBRUSu (ORCPT ); Thu, 18 Feb 2016 15:18:50 -0500 Received: from terminus.zytor.com ([198.137.202.10]:46802 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1947550AbcBRUSp (ORCPT ); Thu, 18 Feb 2016 15:18:45 -0500 Date: Thu, 18 Feb 2016 12:17:35 -0800 From: tip-bot for Dave Hansen Message-ID: Cc: linux-kernel@vger.kernel.org, riel@redhat.com, dave.hansen@linux.intel.com, akpm@linux-foundation.org, peterz@infradead.org, luto@amacapital.net, torvalds@linux-foundation.org, dvlasenk@redhat.com, mingo@kernel.org, bp@alien8.de, brgerst@gmail.com, hpa@zytor.com, tglx@linutronix.de, dave@sr71.net Reply-To: riel@redhat.com, linux-kernel@vger.kernel.org, dave.hansen@linux.intel.com, akpm@linux-foundation.org, dvlasenk@redhat.com, torvalds@linux-foundation.org, luto@amacapital.net, peterz@infradead.org, bp@alien8.de, brgerst@gmail.com, mingo@kernel.org, hpa@zytor.com, tglx@linutronix.de, dave@sr71.net In-Reply-To: <20160212210202.3CFC3DB2@viggo.jf.intel.com> References: <20160212210202.3CFC3DB2@viggo.jf.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:mm/pkeys] x86/cpu, x86/mm/pkeys: Define new CR4 bit Git-Commit-ID: f28b49d2bcdb9ef9e771b3d6750f40be9d453316 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: f28b49d2bcdb9ef9e771b3d6750f40be9d453316 Gitweb: http://git.kernel.org/tip/f28b49d2bcdb9ef9e771b3d6750f40be9d453316 Author: Dave Hansen AuthorDate: Fri, 12 Feb 2016 13:02:02 -0800 Committer: Ingo Molnar CommitDate: Tue, 16 Feb 2016 10:11:14 +0100 x86/cpu, x86/mm/pkeys: Define new CR4 bit There is a new bit in CR4 for enabling protection keys. We will actually enable it later in the series. Signed-off-by: Dave Hansen Reviewed-by: Thomas Gleixner Cc: Andrew Morton Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Dave Hansen Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Rik van Riel Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20160212210202.3CFC3DB2@viggo.jf.intel.com Signed-off-by: Ingo Molnar --- arch/x86/include/uapi/asm/processor-flags.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/include/uapi/asm/processor-flags.h b/arch/x86/include/uapi/asm/processor-flags.h index 79887ab..567de50 100644 --- a/arch/x86/include/uapi/asm/processor-flags.h +++ b/arch/x86/include/uapi/asm/processor-flags.h @@ -118,6 +118,8 @@ #define X86_CR4_SMEP _BITUL(X86_CR4_SMEP_BIT) #define X86_CR4_SMAP_BIT 21 /* enable SMAP support */ #define X86_CR4_SMAP _BITUL(X86_CR4_SMAP_BIT) +#define X86_CR4_PKE_BIT 22 /* enable Protection Keys support */ +#define X86_CR4_PKE _BITUL(X86_CR4_PKE_BIT) /* * x86-64 Task Priority Register, CR8