From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 4 Jun 2001 23:56:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 4 Jun 2001 23:56:08 -0400 Received: from f00f.stub.clear.net.nz ([203.167.224.51]:28679 "HELO metastasis.f00f.org") by vger.kernel.org with SMTP id ; Mon, 4 Jun 2001 23:55:54 -0400 Date: Tue, 5 Jun 2001 15:55:50 +1200 From: Chris Wedgwood To: "David S. Miller" Cc: Jeff Garzik , David Woodhouse , bjornw@axis.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Subject: Re: Missing cache flush. Message-ID: <20010605155550.C22741@metastasis.f00f.org> In-Reply-To: <13942.991696607@redhat.com> <3B1C1872.8D8F1529@mandrakesoft.com> <15132.15829.322534.88410@pizda.ninka.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <15132.15829.322534.88410@pizda.ninka.net>; from davem@redhat.com on Mon, Jun 04, 2001 at 07:03:01PM -0700 X-No-Archive: Yes Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 04, 2001 at 07:03:01PM -0700, David S. Miller wrote: The x86 doesn't have dumb caches, therefore it really doesn't need to flush anything. Maybe a mb(), but that is it. What if the memory is erased underneath the CPU being aware of this? In such a way ig generates to bus traffic... --cw