From owner-svn-src-all@FreeBSD.ORG Tue Jun 7 19:08:49 2011 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 312161065672; Tue, 7 Jun 2011 19:08:49 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id AA8438FC12; Tue, 7 Jun 2011 19:08:47 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id WAA28931; Tue, 07 Jun 2011 22:08:45 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1QU1dt-000Eqb-Fo; Tue, 07 Jun 2011 22:08:45 +0300 Message-ID: <4DEE773B.9090903@FreeBSD.org> Date: Tue, 07 Jun 2011 22:08:43 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.17) Gecko/20110503 Lightning/1.0b2 Thunderbird/3.1.10 MIME-Version: 1.0 To: John Baldwin , Jung-uk Kim References: <201106062303.p56N3cjs053024@svn.freebsd.org> <201106070952.49563.jhb@freebsd.org> <201106071139.41955.jkim@FreeBSD.org> <201106071402.11620.jhb@freebsd.org> In-Reply-To: <201106071402.11620.jhb@freebsd.org> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r222795 - head/sys/dev/atkbdc X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jun 2011 19:08:49 -0000 on 07/06/2011 21:02 John Baldwin said the following: > On Tuesday, June 07, 2011 11:39:26 am Jung-uk Kim wrote: >> On Tuesday 07 June 2011 09:52 am, John Baldwin wrote: >> The whole point of this commit is to blacklist *recent* BIOS (or CSM) >> from probing keyboard typematic information, more specifically, >> recent Intel chipset platforms. They don't support many INT 15h/16h >> functions but only cause trouble at best. OTOH, I haven't seen such >> problems with AMD chipset systems and they all seem to have >> traditional entry points at the interrupt vector table, for example. > > Err, but you didn't blacklist recent BIOS. You blacklist _all_ BIOS that use > entry points other than the ones from the UEFI spec, including BIOSes that > don't claim to support UEFI and the BIOS from the two systems I quoted. I'd like to simply add two datapoints: 1) recent AMD system: $ dd if=/dev/mem bs=4 iseek=0x15 count=2 | hd 00000000 59 f8 00 f0 2e e8 00 f0 2) very old PIIX/440BX system (manufactured ~1999): $ dd if=/dev/mem bs=4 iseek=0x15 count=2 | hd 00000000 9a 06 b8 9c 2e e8 00 f0 -- Andriy Gapon