Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752345AbdFOJ4M (ORCPT ); Thu, 15 Jun 2017 05:56:12 -0400 Received: from mail.skyhub.de ([5.9.137.197]:34056 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750923AbdFOJ4J (ORCPT ); Thu, 15 Jun 2017 05:56:09 -0400 Date: Thu, 15 Jun 2017 11:55:59 +0200 From: Borislav Petkov 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 Subject: Re: [PATCH v6 29/34] kvm: x86: svm: Support Secure Memory Encryption within KVM Message-ID: <20170615095559.mhf7amisrbzujvul@pd.tnic> References: <20170607191309.28645.15241.stgit@tlendack-t1.amdoffice.net> <20170607191815.28645.9054.stgit@tlendack-t1.amdoffice.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20170607191815.28645.9054.stgit@tlendack-t1.amdoffice.net> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 969 Lines: 26 On Wed, Jun 07, 2017 at 02:18:15PM -0500, Tom Lendacky wrote: > Update the KVM support to work with SME. The VMCB has a number of fields > where physical addresses are used and these addresses must contain the > memory encryption mask in order to properly access the encrypted memory. > Also, use the memory encryption mask when creating and using the nested > page tables. > > Signed-off-by: Tom Lendacky > --- > arch/x86/include/asm/kvm_host.h | 2 +- > arch/x86/kvm/mmu.c | 12 ++++++++---- > arch/x86/kvm/mmu.h | 2 +- > arch/x86/kvm/svm.c | 35 ++++++++++++++++++----------------- > arch/x86/kvm/vmx.c | 3 ++- > arch/x86/kvm/x86.c | 3 ++- > 6 files changed, 32 insertions(+), 25 deletions(-) Patches 27-29: Reviewed-by: Borislav Petkov -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.