From owner-cvs-src@FreeBSD.ORG Mon Jul 28 21:43:13 2008 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3CD2E1065680; Mon, 28 Jul 2008 21:43:13 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id C3C7F8FC12; Mon, 28 Jul 2008 21:43:12 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [IPv6:::1]) (authenticated bits=0) by server.baldwin.cx (8.14.2/8.14.2) with ESMTP id m6SLgtEU004936; Mon, 28 Jul 2008 17:43:06 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: Konstantin Belousov Date: Mon, 28 Jul 2008 11:52:36 -0400 User-Agent: KMail/1.9.7 References: <200807261858.m6QIwuL8037138@repoman.freebsd.org> In-Reply-To: <200807261858.m6QIwuL8037138@repoman.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200807281152.37119.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [IPv6:::1]); Mon, 28 Jul 2008 17:43:07 -0400 (EDT) X-Virus-Scanned: ClamAV 0.93.1/7868/Mon Jul 28 14:31:43 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.3 required=4.2 tests=AWL,BAYES_00, DATE_IN_PAST_03_06,NO_RELAYS autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/kern kern_thread.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Jul 2008 21:43:13 -0000 On Saturday 26 July 2008 02:58:50 pm Konstantin Belousov wrote: > kib 2008-07-26 18:58:50 UTC > > FreeBSD src repository > > Modified files: (Branch: RELENG_7) > sys/kern kern_thread.c > Log: > SVN rev 180830 on 2008-07-26 18:58:50Z by kib > > Although being recorded as MFC of the r177369, this change was > introduced for the KSE case in the r177083. Both were done by jeff, > MFC is needed due to recent cpuset(2) commit to RELENG_7. > > r177083: > KSE may free a thread that was never actually forked. This will leave > td_cpuset NULL. Check for this condition before dereferencing the > cpuset. > > r177369: > Restore the NULL check for td_cpuset. This can happen if a partially > constructed thread was torn down as is the case when we fail to allocate > a kernel stack. Thanks. -- John Baldwin