From owner-svn-src-head@FreeBSD.ORG  Sun Feb  2 07:28:05 2014
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@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 80EC25F2;
 Sun,  2 Feb 2014 07:28:05 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 6CBF81498;
 Sun,  2 Feb 2014 07:28:05 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id s127S55u010211;
 Sun, 2 Feb 2014 07:28:05 GMT (envelope-from ae@svn.freebsd.org)
Received: (from ae@localhost)
 by svn.freebsd.org (8.14.7/8.14.7/Submit) id s127S575010210;
 Sun, 2 Feb 2014 07:28:05 GMT (envelope-from ae@svn.freebsd.org)
Message-Id: <201402020728.s127S575010210@svn.freebsd.org>
From: "Andrey V. Elsukov" <ae@FreeBSD.org>
Date: Sun, 2 Feb 2014 07:28:05 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r261400 - head/sys/netinet6
X-SVN-Group: head
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: 2.1.17
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://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: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 02 Feb 2014 07:28:05 -0000

Author: ae
Date: Sun Feb  2 07:28:04 2014
New Revision: 261400
URL: http://svnweb.freebsd.org/changeset/base/261400

Log:
  Take exclusive lock only when lle isn't NULL. We don't need write access
  to lle in most cases.
  
  MFC after:	1 week
  Sponsored by:	Yandex LLC

Modified:
  head/sys/netinet6/nd6.c

Modified: head/sys/netinet6/nd6.c
==============================================================================
--- head/sys/netinet6/nd6.c	Sun Feb  2 06:34:38 2014	(r261399)
+++ head/sys/netinet6/nd6.c	Sun Feb  2 07:28:04 2014	(r261400)
@@ -1889,7 +1889,7 @@ nd6_output_lle(struct ifnet *ifp, struct
 	 * or an anycast address(i.e. not a multicast).
 	 */
 
-	flags = ((m != NULL) || (lle != NULL)) ? LLE_EXCLUSIVE : 0;
+	flags = (lle != NULL) ? LLE_EXCLUSIVE : 0;
 	if (ln == NULL) {
 	retry:
 		IF_AFDATA_RLOCK(ifp);