Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 23 Jan 2002 07:40:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 23 Jan 2002 07:40:33 -0500 Received: from sun.fadata.bg ([80.72.64.67]:2053 "HELO fadata.bg") by vger.kernel.org with SMTP id ; Wed, 23 Jan 2002 07:40:26 -0500 To: "David S. Miller" Cc: manfred@colorfullife.com, masp0008@stud.uni-saarland.de, drobbins@gentoo.org, linux-kernel@vger.kernel.org Subject: Re: Athlon/AGP issue update In-Reply-To: <3C4E9291.8DA0BD7F@stud.uni-saarland.de> <20020123.034411.71089598.davem@redhat.com> <87wuy9b62u.fsf@fadata.bg> <20020123.043441.112625212.davem@redhat.com> X-No-CC: Reply to lists, not to me. From: Momchil Velikov In-Reply-To: <20020123.043441.112625212.davem@redhat.com> Date: 23 Jan 2002 14:41:09 +0200 Message-ID: <87r8ohb5p6.fsf@fadata.bg> Lines: 14 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "David" == David S Miller writes: David> From: Momchil Velikov David> Date: 23 Jan 2002 14:32:57 +0200 David> Erm, why would the granularity of mapping matter at all ? David> Because on a TLB miss the speculative store would be cancelled. David> With 4MB pages the TLB can hit, with 4K pages it cannot. Yes. But there _is_ some instruction writing into the AGP memory, and this instruction will still write there no matter what are mappings, and it can still get speculatively executed and so on, leading to the same result, no ? - 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/