From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [PATCH] Map in physical addresses in efi_map_region_fixed Date: Tue, 16 Aug 2016 07:38:10 +0200 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 Return-path: Content-Disposition: inline In-Reply-To: <621E421D-D7C4-40FF-91BE-4F2FFD2FC8C7-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "H. Peter Anvin" Cc: Alex Thorlton , Matt Fleming , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Russ Anderson , Dimitri Sivanich , Mike Travis , Thomas Gleixner , Ingo Molnar , x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Dave Young List-Id: linux-efi@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. --