Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756162AbYHHB3f (ORCPT ); Thu, 7 Aug 2008 21:29:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751336AbYHHB32 (ORCPT ); Thu, 7 Aug 2008 21:29:28 -0400 Received: from smtp-outbound-1.vmware.com ([65.113.40.141]:43365 "EHLO smtp-outbound-1.vmware.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751287AbYHHB32 (ORCPT ); Thu, 7 Aug 2008 21:29:28 -0400 Subject: Re: [PATCH]Fix broken VMI in 2.6.27-rc.. From: Zachary Amsden To: "H. Peter Anvin" Cc: Jeremy Fitzhardinge , Alok Kataria , "torvalds@linux-foundation.org" , Ingo Molnar , the arch/x86 maintainers , LKML In-Reply-To: <489B9F17.6000701@kernel.org> References: <1218136365.23770.52.camel@alok-dev1> <489B6710.9000604@kernel.org> <1218144438.20178.336.camel@bodhitayantram.eng.vmware.com> <489B836A.3050209@goop.org> <489B84EF.6050009@kernel.org> <489B8948.6060003@goop.org> <489B8A68.10900@kernel.org> <489B8EF4.1030105@goop.org> <1218158045.20178.394.camel@bodhitayantram.eng.vmware.com> <489B9F17.6000701@kernel.org> Content-Type: text/plain Date: Thu, 07 Aug 2008 18:28:09 -0700 Message-Id: <1218158889.20178.409.camel@bodhitayantram.eng.vmware.com> Mime-Version: 1.0 X-Mailer: Evolution 2.22.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1021 Lines: 24 On Thu, 2008-08-07 at 18:19 -0700, H. Peter Anvin wrote: > Zachary Amsden wrote: > > > > Using my interplanetary ideas, linking the fixmap at runtime would allow > > optimal placement of the fixmap, any hypervisor areas, vmalloc, and > > pkmap space. That might allow one to increase the amount of lowmem > > available for direct mapping depending on some platform variables such > > as hypervisor reserved space, physical memory size, APIC present.. those > > aren't known until boot time. Actually, NCPUs is a good one, since we > > require atomic kmap space dependent on NCPUs, which could be given back > > to linear memory map. > > > > That might actually be more worthwhile than link time fixed addresses. > > > > Yeah, but that's a huge project. But it's awesome. -- 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/