Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751896AbXBFJaB (ORCPT ); Tue, 6 Feb 2007 04:30:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751897AbXBFJaA (ORCPT ); Tue, 6 Feb 2007 04:30:00 -0500 Received: from public.id2-vpn.continvity.gns.novell.com ([195.33.99.129]:7785 "EHLO public.id2-vpn.continvity.gns.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751896AbXBFJaA (ORCPT ); Tue, 6 Feb 2007 04:30:00 -0500 Message-Id: <45C85911.76E4.0078.0@novell.com> X-Mailer: Novell GroupWise Internet Agent 7.0.1 Date: Tue, 06 Feb 2007 09:31:45 +0000 From: "Jan Beulich" To: "Andi Kleen" Cc: "Andreas Herrmann" , "Suresh B Siddha" , "Richard Gooch" , , Subject: Re: [discuss] [patch] mtrr: fix issues with large addresses References: <20070205171959.GF8665@alberich.amd.com> <20070205145055.A19581@unix-os.sc.intel.com> <200702060853.30812.ak@suse.de> In-Reply-To: <200702060853.30812.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 734 Lines: 18 >>> Andi Kleen 06.02.07 08:53 >>> >On Monday 05 February 2007 23:50, Siddha, Suresh B wrote: >> On Mon, Feb 05, 2007 at 06:19:59PM +0100, Andreas Herrmann wrote: >> > o added check to restrict base address to 36 bit on i386 >> >> Why is this? It can go upto implemented physical bits, right? > >In theory it can, but Linux doesn't support it. I don't think I remember a restriction here, at least not below 44 bits (that's where pfn-s would need to become 64-bit wide). Jan - 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/