From owner-cvs-all@FreeBSD.ORG Fri Oct 3 23:46:09 2003 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 051B516A4BF; Fri, 3 Oct 2003 23:46:09 -0700 (PDT) Received: from canning.wemm.org (canning.wemm.org [192.203.228.65]) by mx1.FreeBSD.org (Postfix) with ESMTP id CAEC843F93; Fri, 3 Oct 2003 23:46:05 -0700 (PDT) (envelope-from peter@wemm.org) Received: from wemm.org (localhost [127.0.0.1]) by canning.wemm.org (Postfix) with ESMTP id B783C2A7EA; Fri, 3 Oct 2003 23:46:05 -0700 (PDT) (envelope-from peter@wemm.org) X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: John Baldwin In-Reply-To: Date: Fri, 03 Oct 2003 23:46:05 -0700 From: Peter Wemm Message-Id: <20031004064605.B783C2A7EA@canning.wemm.org> cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/conf ldscript.i386 src/sys/i386/i386 bios.c genassym.c locore.s machdep.c mp_machdep.c mpboot.s pmap.c src/sys/i386/include pmap.h vmparam.h 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, 04 Oct 2003 06:46:09 -0000 John Baldwin wrote: > On 01-Oct-2003 Peter Wemm wrote: > > peter 2003/10/01 16:46:08 PDT > > Log: > > Commit Bosko's patch to clean up the PSE/PG_G initialization to and > > avoid problems with some Pentium 4 cpus and some older PPro/Pentium2 > > cpus. There are several problems, some documented in Intel errata. > What does KERNBASE map to now? 4mb? Nope. KERNBASE is unchanged. What is different now is that the fixed 1MB offset (pa = 1MB, va = KERNBASE + 1mb) is now 4MB and available via the KERNLOAD variable. This becomes 2MB on a PAE configuration kernel. Cheers, -Peter -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5