Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936549Ab3DRT6X (ORCPT ); Thu, 18 Apr 2013 15:58:23 -0400 Received: from terminus.zytor.com ([198.137.202.10]:41521 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754627Ab3DRT6W (ORCPT ); Thu, 18 Apr 2013 15:58:22 -0400 Message-ID: <51705034.4030101@zytor.com> Date: Thu, 18 Apr 2013 12:57:40 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 MIME-Version: 1.0 To: Matt Fleming CC: Josh Triplett , "Bryan O'Donoghue" , matthew.garrett@nebula.com, linux-efi@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Darren Hart , Ingo Molnar , Thomas Gleixner , Josh Boyer Subject: Re: [PATCH] Remove warning in efi_enter_virtual_mode References: <1366127886-31460-1-git-send-email-bryan.odonoghue.lkml@nexus-software.ie> <516EAC4A.6040202@console-pimps.org> <516F1B90.9040508@nexus-software.ie> <516FD24A.3070502@console-pimps.org> <20130418163325.GA6884@leaf> <5170216C.9020300@zytor.com> <20130418164457.GB6884@leaf> <51704FA8.7060801@console-pimps.org> In-Reply-To: <51704FA8.7060801@console-pimps.org> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1338 Lines: 32 On 04/18/2013 12:55 PM, Matt Fleming wrote: > On 04/18/2013 05:44 PM, Josh Triplett wrote: >>>> The machine I developed the BGRT changes on kept the image below the 4G >>>> mark, inside one of the memory regions reclaimable via >>>> ExitBootServices(). >>> >>> Well, highmem is >= ~896M. Do you have a machine with BGRT over the >>> highmem mark? >> >> I don't have the machine in question anymore, and I don't remember. > > Sorry, I should have been more clear - having a BGRT image in highmem > has never worked for the reasons I outlined in my previous mail. What I > was really asking was: is it OK that we now explicitly don't support > that case? I'm working on the assumption that it's pointless writing > support for the BGRT in highmem because no such i386 machines exist. If > the BGRT code works for your i386 right now, the address isn't in highmem. > > If there are machines out there that would require us to write support, > it's probably worth doing now instead of punting. But it sounds like > there aren't any. > I suspect if there aren't any yet there WILL be. -hpa -- 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/