From owner-svn-src-head@freebsd.org  Mon Jan  1 19:34:20 2018
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9D54DEB9137;
 Mon,  1 Jan 2018 19:34:20 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 67F5A7997D;
 Mon,  1 Jan 2018 19:34:20 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w01JYJI5009792;
 Mon, 1 Jan 2018 19:34:19 GMT (envelope-from kib@FreeBSD.org)
Received: (from kib@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id w01JYJG9009791;
 Mon, 1 Jan 2018 19:34:19 GMT (envelope-from kib@FreeBSD.org)
Message-Id: <201801011934.w01JYJG9009791@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org
 using -f
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 1 Jan 2018 19:34:19 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r327469 - head/sys/x86/include
X-SVN-Group: head
X-SVN-Commit-Author: kib
X-SVN-Commit-Paths: head/sys/x86/include
X-SVN-Commit-Revision: 327469
X-SVN-Commit-Repository: base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.25
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 01 Jan 2018 19:34:20 -0000

Author: kib
Date: Mon Jan  1 19:34:19 2018
New Revision: 327469
URL: https://svnweb.freebsd.org/changeset/base/327469

Log:
  Add CR4.SMAP control bit.
  
  Sponsored by:	The FreeBSD Foundation
  MFC after:	3 days

Modified:
  head/sys/x86/include/specialreg.h

Modified: head/sys/x86/include/specialreg.h
==============================================================================
--- head/sys/x86/include/specialreg.h	Mon Jan  1 19:27:33 2018	(r327468)
+++ head/sys/x86/include/specialreg.h	Mon Jan  1 19:34:19 2018	(r327469)
@@ -76,6 +76,7 @@
 #define	CR4_PCIDE 0x00020000	/* Enable Context ID */
 #define	CR4_XSAVE 0x00040000	/* XSETBV/XGETBV */
 #define	CR4_SMEP 0x00100000	/* Supervisor-Mode Execution Prevention */
+#define	CR4_SMAP 0x00200000	/* Supervisor-Mode Access Prevention */
 
 /*
  * Bits in AMD64 special registers.  EFER is 64 bits wide.