From mboxrd@z Thu Jan 1 00:00:00 1970 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 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. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [PATCH v6 29/34] kvm: x86: svm: Support Secure Memory Encryption within KVM Date: Thu, 15 Jun 2017 11:55:59 +0200 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 Return-path: Content-Disposition: inline In-Reply-To: <20170607191815.28645.9054.stgit@tlendack-t1.amdoffice.net> Sender: owner-linux-mm@kvack.org 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 List-Id: linux-efi@vger.kernel.org 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. -- 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 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 5EDB76B0315 for ; Thu, 15 Jun 2017 05:56:09 -0400 (EDT) Received: by mail-wr0-f199.google.com with SMTP id l43so194735wrl.2 for ; Thu, 15 Jun 2017 02:56:09 -0700 (PDT) Received: from mail.skyhub.de (mail.skyhub.de. [5.9.137.197]) by mx.google.com with ESMTP id 61si2742438wrm.255.2017.06.15.02.56.07 for ; Thu, 15 Jun 2017 02:56:08 -0700 (PDT) Date: Thu, 15 Jun 2017 11:55:59 +0200 From: Borislav Petkov 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> 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 02:18:15PM -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. -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.skyhub.de ([2a01:4f8:190:11c2::b:1457]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dLRVv-00044i-HF for kexec@lists.infradead.org; Thu, 15 Jun 2017 09:56:33 +0000 Date: Thu, 15 Jun 2017 11:55:59 +0200 From: Borislav Petkov 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-Disposition: inline In-Reply-To: <20170607191815.28645.9054.stgit@tlendack-t1.amdoffice.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Tom Lendacky Cc: linux-efi@vger.kernel.org, Brijesh Singh , Toshimitsu Kani , Radim =?utf-8?B?S3LEjW3DocWZ?= , Matt Fleming , x86@kernel.org, linux-mm@kvack.org, Alexander Potapenko , "H. Peter Anvin" , Larry Woodman , linux-arch@vger.kernel.org, kvm@vger.kernel.org, Jonathan Corbet , Joerg Roedel , linux-doc@vger.kernel.org, kasan-dev@googlegroups.com, Ingo Molnar , Andrey Ryabinin , Dave Young , Rik van Riel , Arnd Bergmann , Konrad Rzeszutek Wilk , Andy Lutomirski , Thomas Gleixner , Dmitry Vyukov , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, "Michael S. Tsirkin" , Paolo Bonzini 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. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec