From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261730AbVDLABE (ORCPT ); Mon, 11 Apr 2005 20:01:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261753AbVDLABE (ORCPT ); Mon, 11 Apr 2005 20:01:04 -0400 Received: from fmr21.intel.com ([143.183.121.13]:39647 "EHLO scsfmr001.sc.intel.com") by vger.kernel.org with ESMTP id S261730AbVDLABB (ORCPT ); Mon, 11 Apr 2005 20:01:01 -0400 Date: Mon, 11 Apr 2005 17:00:24 -0700 From: "Siddha, Suresh B" To: Andi Kleen Cc: "Siddha, Suresh B" , akpm@osdl.org, discuss@x86-64.org, davej@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [discuss] [21/31] x86_64: Always use CPUID 80000008 to figure out MTRR address space size Message-ID: <20050411170024.A3396@unix-os.sc.intel.com> References: <425554EC.mailMV61WIBOM@suse.de> <20050410232523.B24470@unix-os.sc.intel.com> <20050411180001.GA27367@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20050411180001.GA27367@wotan.suse.de>; from ak@suse.de on Mon, Apr 11, 2005 at 08:00:01PM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 11, 2005 at 08:00:01PM +0200, Andi Kleen wrote: > On Sun, Apr 10, 2005 at 11:25:23PM -0700, Siddha, Suresh B wrote: > > We need to use the size_and_mask in set_mtrr_var_ranges(which is called > > while programming MTRR's for AP's > > Patch is ok for me. But how did you find this out? Did you force > a mapping high in the address space? No. It was through code inspection. thanks, suresh