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 339BC6B0292 for ; Sat, 10 Jun 2017 11:56:44 -0400 (EDT) Received: by mail-wr0-f199.google.com with SMTP id g76so13699415wrd.3 for ; Sat, 10 Jun 2017 08:56:44 -0700 (PDT) Received: from mail.skyhub.de (mail.skyhub.de. [2a01:4f8:190:11c2::b:1457]) by mx.google.com with ESMTP id l125si2811369wmb.68.2017.06.10.08.56.42 for ; Sat, 10 Jun 2017 08:56:42 -0700 (PDT) Date: Sat, 10 Jun 2017 17:56:25 +0200 From: Borislav Petkov Subject: Re: [PATCH v6 13/34] x86/mm: Add support for early encrypt/decrypt of memory Message-ID: <20170610155624.q3jh6q2wpnepxpsw@pd.tnic> References: <20170607191309.28645.15241.stgit@tlendack-t1.amdoffice.net> <20170607191527.28645.84593.stgit@tlendack-t1.amdoffice.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20170607191527.28645.84593.stgit@tlendack-t1.amdoffice.net> Sender: owner-linux-mm@kvack.org List-ID: To: Tom Lendacky Cc: 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 , Matt Fleming , "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 On Wed, Jun 07, 2017 at 02:15:27PM -0500, Tom Lendacky wrote: > Add support to be able to either encrypt or decrypt data in place during > the early stages of booting the kernel. This does not change the memory > encryption attribute - it is used for ensuring that data present in either > an encrypted or decrypted memory area is in the proper state (for example > the initrd will have been loaded by the boot loader and will not be > encrypted, but the memory that it resides in is marked as encrypted). > > Signed-off-by: Tom Lendacky > --- > arch/x86/include/asm/mem_encrypt.h | 15 +++++++ > arch/x86/mm/mem_encrypt.c | 76 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 91 insertions(+) Patches 11-13: Reviewed-by: Borislav Petkov -- 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