From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752223AbcHPFif (ORCPT ); Tue, 16 Aug 2016 01:38:35 -0400 Received: from mail.skyhub.de ([78.46.96.112]:40635 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750752AbcHPFid (ORCPT ); Tue, 16 Aug 2016 01:38:33 -0400 Date: Tue, 16 Aug 2016 07:38:10 +0200 From: Borislav Petkov To: "H. Peter Anvin" Cc: Alex Thorlton , Matt Fleming , linux-kernel@vger.kernel.org, Russ Anderson , Dimitri Sivanich , Mike Travis , Thomas Gleixner , Ingo Molnar , x86@kernel.org, linux-efi@vger.kernel.org, Dave Young Subject: Re: [PATCH] Map in physical addresses in efi_map_region_fixed Message-ID: <20160816053810.GA7911@nazgul.tnic> References: <1470441575-96065-1-git-send-email-athorlton@sgi.com> <20160815124258.GF30909@codeblueprint.co.uk> <20160815150709.GA6085@nazgul.tnic> <20160815184731.GS214806@stormcage.americas.sgi.com> <621E421D-D7C4-40FF-91BE-4F2FFD2FC8C7@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <621E421D-D7C4-40FF-91BE-4F2FFD2FC8C7@zytor.com> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 15, 2016 at 02:52:22PM -0700, H. Peter Anvin wrote: > So to answer the implicit question: we have found UEFI stacks in the > field which fail without the physical mappings present, and we have > found stacks which fail without a nontrivial SetAddressMapping. You mean SetVirtualAddressMap. Oh well, it's not like it matters all that much as we have our own pagetable for EFI so we can go nuts there. Apparently. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --