From owner-svn-soc-all@FreeBSD.ORG  Thu Aug 14 09:09:08 2014
Return-Path: <owner-svn-soc-all@FreeBSD.ORG>
Delivered-To: svn-soc-all@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 00C62E37
 for <svn-soc-all@FreeBSD.org>; Thu, 14 Aug 2014 09:09:07 +0000 (UTC)
Received: from socsvn.freebsd.org (socsvn.freebsd.org
 [IPv6:2001:1900:2254:206a::50:2])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id E200F285C
 for <svn-soc-all@FreeBSD.org>; Thu, 14 Aug 2014 09:09:07 +0000 (UTC)
Received: from socsvn.freebsd.org ([127.0.1.124])
 by socsvn.freebsd.org (8.14.9/8.14.9) with ESMTP id s7E997gK074193
 for <svn-soc-all@FreeBSD.org>; Thu, 14 Aug 2014 09:09:07 GMT
 (envelope-from op@FreeBSD.org)
Received: (from www@localhost)
 by socsvn.freebsd.org (8.14.9/8.14.9/Submit) id s7E997AN074191
 for svn-soc-all@FreeBSD.org; Thu, 14 Aug 2014 09:09:07 GMT
 (envelope-from op@FreeBSD.org)
Date: Thu, 14 Aug 2014 09:09:07 GMT
Message-Id: <201408140909.s7E997AN074191@socsvn.freebsd.org>
X-Authentication-Warning: socsvn.freebsd.org: www set sender to op@FreeBSD.org
 using -f
From: op@FreeBSD.org
To: svn-soc-all@FreeBSD.org
Subject: socsvn commit: r272395 - soc2014/op/freebsd-base/sys/kern
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-soc-all@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: SVN commit messages for the entire Summer of Code repository
 <svn-soc-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-soc-all>,
 <mailto:svn-soc-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-soc-all/>
List-Post: <mailto:svn-soc-all@freebsd.org>
List-Help: <mailto:svn-soc-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-soc-all>,
 <mailto:svn-soc-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 14 Aug 2014 09:09:08 -0000

Author: op
Date: Thu Aug 14 09:09:07 2014
New Revision: 272395
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=272395

Log:
  KSP: added critical_{enter,exit} to lf_selfpatch
  
  Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com>
  
  git: https://github.com/opntr/opBSD/tree/op/gsoc2014/smap+kpatch

Modified:
  soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c

Modified: soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c
==============================================================================
--- soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c	Thu Aug 14 08:42:16 2014	(r272394)
+++ soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c	Thu Aug 14 09:09:07 2014	(r272395)
@@ -134,6 +134,8 @@
 	count = stop - start;
 	DBG("count: %d\n", count);
 
+	critical_enter();
+
 	for (patch = start; patch != stop; patch++) {
 		DBG("apply: %p\n", patch);
 		ret = lf_selfpatch_apply(lf, patch, mod);
@@ -141,6 +143,8 @@
 			return (ret);
 	}
 
+	critical_exit();
+
 #ifdef KSP_DEBUG
 	/*
 	 * when selfpatch does not works, the system should crash