Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 18 Apr 2002 07:35:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 18 Apr 2002 07:35:17 -0400 Received: from lightning.swansea.linux.org.uk ([194.168.151.1]:17678 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Thu, 18 Apr 2002 07:35:16 -0400 Subject: Re: SSE related security hole To: ak@suse.de (Andi Kleen) Date: Thu, 18 Apr 2002 12:53:12 +0100 (BST) Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), andrea@suse.de (Andrea Arcangeli), dledford@redhat.com (Doug Ledford), jh@suse.cz, linux-kernel@vger.kernel.org, jakub@redhat.com, aj@suse.de, ak@suse.de, pavel@atrey.karlin.mff.cuni.cz In-Reply-To: <20020418131431.B22558@wotan.suse.de> from "Andi Kleen" at Apr 18, 2002 01:14:31 PM X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > Intel folks are actually saying even back in Pentium MMX days that it isnt > > guaranteed that the FP/MMX state are not seperate registers > > In this case it would be possible to only do the explicit clear > when the CPU does support sse1. For mmx only it shouldn't be needed. > For sse2 also not. Do you have a documentation cite for that claim ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/