From owner-svn-src-all@FreeBSD.ORG  Wed Dec 19 20:08:07 2012
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
 by hub.freebsd.org (Postfix) with ESMTP id 827D1E29;
 Wed, 19 Dec 2012 20:08:07 +0000 (UTC)
 (envelope-from jeff@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 by mx1.freebsd.org (Postfix) with ESMTP id 659CF8FC16;
 Wed, 19 Dec 2012 20:08:07 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
 by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id qBJK87p2075254;
 Wed, 19 Dec 2012 20:08:07 GMT (envelope-from jeff@svn.freebsd.org)
Received: (from jeff@localhost)
 by svn.freebsd.org (8.14.5/8.14.5/Submit) id qBJK87j0075252;
 Wed, 19 Dec 2012 20:08:07 GMT (envelope-from jeff@svn.freebsd.org)
Message-Id: <201212192008.qBJK87j0075252@svn.freebsd.org>
From: Jeff Roberson <jeff@FreeBSD.org>
Date: Wed, 19 Dec 2012 20:08:07 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r244444 - head/sys/kern
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 19 Dec 2012 20:08:07 -0000

Author: jeff
Date: Wed Dec 19 20:08:06 2012
New Revision: 244444
URL: http://svnweb.freebsd.org/changeset/base/244444

Log:
   - Correctly handle EWOULDBLOCK in quiesce_cpus
  
  Discussed with:	mav

Modified:
  head/sys/kern/subr_smp.c

Modified: head/sys/kern/subr_smp.c
==============================================================================
--- head/sys/kern/subr_smp.c	Wed Dec 19 18:51:35 2012	(r244443)
+++ head/sys/kern/subr_smp.c	Wed Dec 19 20:08:06 2012	(r244444)
@@ -766,8 +766,9 @@ quiesce_cpus(cpuset_t map, const char *w
 		thread_unlock(curthread);
 		while (gen[cpu] == pcpu->pc_idlethread->td_generation) {
 			error = tsleep(quiesce_cpus, prio, wmesg, 1);
-			if (error)
+			if (error != EWOULDBLOCK)
 				goto out;
+			error = 0;
 		}
 	}
 out: