From owner-cvs-src-old@FreeBSD.ORG  Wed Feb  3 03:56:45 2010
Return-Path: <owner-cvs-src-old@FreeBSD.ORG>
Delivered-To: cvs-src-old@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 8935E106579B
	for <cvs-src-old@freebsd.org>; Wed,  3 Feb 2010 03:56:45 +0000 (UTC)
	(envelope-from davidxu@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org
	[IPv6:2001:4f8:fff6::29])
	by mx1.freebsd.org (Postfix) with ESMTP id 5DDFA8FC08
	for <cvs-src-old@freebsd.org>; Wed,  3 Feb 2010 03:56:45 +0000 (UTC)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id o133ujqZ072608
	for <cvs-src-old@freebsd.org>; Wed, 3 Feb 2010 03:56:45 GMT
	(envelope-from davidxu@repoman.freebsd.org)
Received: (from svn2cvs@localhost)
	by repoman.freebsd.org (8.14.3/8.14.3/Submit) id o133ujVK072607
	for cvs-src-old@freebsd.org; Wed, 3 Feb 2010 03:56:45 GMT
	(envelope-from davidxu@repoman.freebsd.org)
Message-Id: <201002030356.o133ujVK072607@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to
	davidxu@repoman.freebsd.org using -f
From: David Xu <davidxu@FreeBSD.org>
Date: Wed, 3 Feb 2010 03:56:32 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/kern kern_umtx.c
X-BeenThere: cvs-src-old@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: **OBSOLETE** CVS commit messages for the src tree
	<cvs-src-old.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src-old>,
	<mailto:cvs-src-old-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-src-old>
List-Post: <mailto:cvs-src-old@freebsd.org>
List-Help: <mailto:cvs-src-old-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src-old>,
	<mailto:cvs-src-old-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Feb 2010 03:56:45 -0000

davidxu     2010-02-03 03:56:32 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             kern_umtx.c 
  Log:
  SVN rev 203414 on 2010-02-03 03:56:32Z by davidxu
  
  After busied the lock, re-read state word before checking waiters flag,
  otherwise, the waiters bit may not be set and a wakeup is lost.
  
  Submitted by:   justin.teller at gmail dot com
  MFC after:      3 days
  
  Revision  Changes    Path
  1.80      +12 -0     src/sys/kern/kern_umtx.c