From owner-cvs-all@FreeBSD.ORG Sat Aug 12 00:46:56 2006 Return-Path: X-Original-To: cvs-all@FreeBSD.org 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 036A416A4DD; Sat, 12 Aug 2006 00:46:56 +0000 (UTC) (envelope-from sobomax@FreeBSD.org) Received: from sippysoft.com (gk.360sip.com [72.236.70.226]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6779D43D4C; Sat, 12 Aug 2006 00:46:54 +0000 (GMT) (envelope-from sobomax@FreeBSD.org) Received: from [192.168.1.56] ([204.244.149.125]) (authenticated bits=0) by sippysoft.com (8.13.6/8.13.6) with ESMTP id k7C0kq5f089395 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 11 Aug 2006 17:46:53 -0700 (PDT) (envelope-from sobomax@FreeBSD.org) Message-ID: <44DD24D1.8060106@FreeBSD.org> Date: Fri, 11 Aug 2006 17:46:09 -0700 From: Maxim Sobolev Organization: Sippy Software, Inc. User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) MIME-Version: 1.0 To: John Baldwin References: <200608111922.k7BJMvpS009010@repoman.freebsd.org> In-Reply-To: <200608111922.k7BJMvpS009010@repoman.freebsd.org> Content-Type: text/plain; charset=KOI8-U; format=flowed Content-Transfer-Encoding: 7bit Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/acpica madt.c src/sys/amd64/amd64 pmap.c src/sys/amd64/include pmap.h src/sys/dev/acpica/Osd OsdMemory.c src/sys/i386/acpica acpi_machdep.c madt.c src/sys/i386/i386 pmap.c src/sys/i386/include pmap.h src/sys/ia64/include pmap.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 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 Aug 2006 00:46:56 -0000 Excellent, thanks! -Maxim John Baldwin wrote: > jhb 2006-08-11 19:22:57 UTC > > FreeBSD src repository > > Modified files: > sys/amd64/acpica madt.c > sys/amd64/amd64 pmap.c > sys/amd64/include pmap.h > sys/dev/acpica/Osd OsdMemory.c > sys/i386/acpica acpi_machdep.c madt.c > sys/i386/i386 pmap.c > sys/i386/include pmap.h > sys/ia64/include pmap.h > Log: > First pass at allowing memory to be mapped using cache modes other than > WB (write-back) on x86 via control bits in PTEs and PDEs (including making > use of the PAT MSR). Changes include: > - A new pmap_mapdev_attr() function for amd64 and i386 which takes an > additional parameter (relative to pmap_mapdev()) specifying the cache > mode for this mapping. Note that on amd64 only WB mappings are done with > the direct map, all other modes result in a private mapping. > - pmap_mapdev() on i386 and amd64 now defaults to using UC (uncached) > mappings rather than WB. Previously we relied on the BIOS setting up > MTRR's to enforce memio regions being treated as UC. This might make > hw.cbb_start_memory unnecessary in some cases now for example. > - A new pmap_mapbios()/pmap_unmapbios() API has been added to allow places > that used pmap_mapdev() to map non-device memory (such as ACPI tables) > to do so using WB as before. > - A new pmap_change_attr() function for amd64 and i386 that changes the > caching mode for a range of KVA. > > Reviewed by: alc > > Revision Changes Path > 1.21 +5 -5 src/sys/amd64/acpica/madt.c > 1.570 +220 -4 src/sys/amd64/amd64/pmap.c > 1.134 +5 -0 src/sys/amd64/include/pmap.h > 1.14 +2 -2 src/sys/dev/acpica/Osd/OsdMemory.c > 1.33 +2 -2 src/sys/i386/acpica/acpi_machdep.c > 1.24 +5 -5 src/sys/i386/acpica/madt.c > 1.574 +169 -2 src/sys/i386/i386/pmap.c > 1.122 +5 -0 src/sys/i386/include/pmap.h > 1.27 +2 -0 src/sys/ia64/include/pmap.h > >