From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750745AbWEFRkO (ORCPT ); Sat, 6 May 2006 13:40:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751015AbWEFRkO (ORCPT ); Sat, 6 May 2006 13:40:14 -0400 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:16222 "EHLO pd5mo2so.prod.shaw.ca") by vger.kernel.org with ESMTP id S1750745AbWEFRkM (ORCPT ); Sat, 6 May 2006 13:40:12 -0400 Date: Sat, 06 May 2006 11:37:20 -0600 From: Robert Hancock Subject: Re: Bugs aren't features: X86_FEATURE_FXSAVE_LEAK In-reply-to: <69mqY-1Ci-9@gated-at.bofh.it> To: linux-kernel Message-id: <445CDED0.4070402@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: <69bvw-2zO-5@gated-at.bofh.it> <69d4M-4Yx-19@gated-at.bofh.it> <69mqY-1Ci-9@gated-at.bofh.it> User-Agent: Thunderbird 1.5.0.2 (Windows/20060308) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Christer Weinigel wrote: > Andi Kleen writes: > >> "H. Peter Anvin" writes: >> >>> The recent fix for the AMD FXSAVE information leak had a problematic >>> side effect. It introduced an entry in the x86 features vector which >>> is a bug, not a feature. >> It's a non issue because it affects all AMD CPUs (except K5/K6). >> You'll never find a system where only some CPUs have this problem. > > I have a dual CPU system (Tyan Tomcat 1564D) where only one CPU is > reported to have the F00F bug (iirc). So yes, there can be > SMP-systems where the CPU's have different bugs. Point being, not this bug.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/