From owner-cvs-all@FreeBSD.ORG Sat Jun 12 20:02:36 2004 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BE44416A4CE; Sat, 12 Jun 2004 20:02:36 +0000 (GMT) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id A130143D39; Sat, 12 Jun 2004 20:02:36 +0000 (GMT) (envelope-from alc@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.12.11/8.12.11) with ESMTP id i5CK1mCM082276; Sat, 12 Jun 2004 20:01:48 GMT (envelope-from alc@repoman.freebsd.org) Received: (from alc@localhost) by repoman.freebsd.org (8.12.11/8.12.11/Submit) id i5CK1mn3082272; Sat, 12 Jun 2004 20:01:48 GMT (envelope-from alc) Message-Id: <200406122001.i5CK1mn3082272@repoman.freebsd.org> From: Alan Cox Date: Sat, 12 Jun 2004 20:01:48 +0000 (UTC) To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/amd64/amd64 pmap.c src/sys/i386/i386 pmap.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Jun 2004 20:02:36 -0000 alc 2004-06-12 20:01:48 UTC FreeBSD src repository Modified files: sys/amd64/amd64 pmap.c sys/i386/i386 pmap.c Log: In a multiprocessor, the PG_W bit in the pte must be changed atomically. Otherwise, the setting of the PG_M bit by one processor could be lost if another processor is simultaneously changing the PG_W bit. Reviewed by: tegge@ Revision Changes Path 1.467 +2 -2 src/sys/amd64/amd64/pmap.c 1.468 +2 -1 src/sys/i386/i386/pmap.c