From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f199.google.com (mail-wr0-f199.google.com [209.85.128.199]) by kanga.kvack.org (Postfix) with ESMTP id 4E5256B02B4 for ; Fri, 26 May 2017 12:35:22 -0400 (EDT) Received: by mail-wr0-f199.google.com with SMTP id k57so1161991wrk.6 for ; Fri, 26 May 2017 09:35:22 -0700 (PDT) Received: from mail.skyhub.de (mail.skyhub.de. [2a01:4f8:190:11c2::b:1457]) by mx.google.com with ESMTP id y187si13611671wme.120.2017.05.26.09.35.20 for ; Fri, 26 May 2017 09:35:20 -0700 (PDT) Date: Fri, 26 May 2017 18:35:17 +0200 From: Borislav Petkov Subject: Re: [PATCH v5 17/32] x86/mm: Add support to access boot related data in the clear Message-ID: <20170526163517.nrweesvse24dszkz@pd.tnic> References: <20170418211612.10190.82788.stgit@tlendack-t1.amdoffice.net> <20170418211921.10190.1537.stgit@tlendack-t1.amdoffice.net> <20170515183517.mb4k2gp2qobbuvtm@pd.tnic> <20170518195051.GA5651@codeblueprint.co.uk> <4c2ef3ba-2940-3330-d362-5b2b0d812c6f@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4c2ef3ba-2940-3330-d362-5b2b0d812c6f@amd.com> Sender: owner-linux-mm@kvack.org List-ID: To: Tom Lendacky Cc: Matt Fleming , linux-arch@vger.kernel.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rik van Riel , Radim =?utf-8?B?S3LEjW3DocWZ?= , Toshimitsu Kani , Arnd Bergmann , Jonathan Corbet , "Michael S. Tsirkin" , Joerg Roedel , Konrad Rzeszutek Wilk , Paolo Bonzini , Larry Woodman , Brijesh Singh , Ingo Molnar , Andy Lutomirski , "H. Peter Anvin" , Andrey Ryabinin , Alexander Potapenko , Dave Young , Thomas Gleixner , Dmitry Vyukov , Ard Biesheuvel On Fri, May 26, 2017 at 11:22:36AM -0500, Tom Lendacky wrote: > In addition to the same issue as efi.memmap.phys_map, efi_phys has > the __initdata attribute so it will be released/freed which will cause > problems in checks performed afterwards. Sounds to me like we should drop the __initdata attr and prepare them much earlier for use by the SME code. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org