From owner-cvs-all Fri Oct 12 12:18:10 2001 Delivered-To: cvs-all@freebsd.org Received: from mail12.speakeasy.net (mail12.speakeasy.net [216.254.0.212]) by hub.freebsd.org (Postfix) with ESMTP id F051737B410 for ; Fri, 12 Oct 2001 12:17:49 -0700 (PDT) Received: (qmail 53116 invoked from network); 12 Oct 2001 19:17:49 -0000 Received: from unknown (HELO laptop.baldwin.cx) ([64.81.54.73]) (envelope-sender ) by mail12.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 12 Oct 2001 19:17:49 -0000 Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <200110121149.f9CBnBZ78258@freefall.freebsd.org> Date: Fri, 12 Oct 2001 12:17:13 -0700 (PDT) From: John Baldwin To: Doug Rabson Subject: RE: cvs commit: src/sys/ia64/ia64 trap.c Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 12-Oct-01 Doug Rabson wrote: > dfr 2001/10/12 04:49:11 PDT > > Modified files: > sys/ia64/ia64 trap.c > Log: > If the faulting instruction is a cmpxchg, then isr.w and isr.r will both > be set. We need to check isr.w before isr.r so that we can correctly > handle a cmpxchg to a copy-on-write page. > > This fixes the hang-after-fork problem for dynamically linked programs. Wow. Good snooping. :) -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message