From mboxrd@z Thu Jan  1 00:00:00 1970
Return-path: <kexec-bounces+dwmw2=infradead.org@lists.infradead.org>
Received: from mail.skyhub.de ([5.9.137.197])
 by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))
 id 1dJHaU-0003bb-9u
 for kexec@lists.infradead.org; Fri, 09 Jun 2017 10:56:19 +0000
Date: Fri, 9 Jun 2017 12:55:40 +0200
From: Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH v6 04/34] x86/CPU/AMD: Add the Secure Memory Encryption
 CPU feature
Message-ID: <20170609105540.jpkle2qja4kyin6i@pd.tnic>
References: <20170607191309.28645.15241.stgit@tlendack-t1.amdoffice.net>
 <20170607191353.28645.85058.stgit@tlendack-t1.amdoffice.net>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <20170607191353.28645.85058.stgit@tlendack-t1.amdoffice.net>
List-Id: <kexec.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/kexec>,
 <mailto:kexec-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/kexec/>
List-Post: <mailto:kexec@lists.infradead.org>
List-Help: <mailto:kexec-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/kexec>,
 <mailto:kexec-request@lists.infradead.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: "kexec" <kexec-bounces@lists.infradead.org>
Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org
To: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-efi@vger.kernel.org, Brijesh Singh <brijesh.singh@amd.com>, Toshimitsu Kani <toshi.kani@hpe.com>, Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>, Matt Fleming <matt@codeblueprint.co.uk>, x86@kernel.org, linux-mm@kvack.org, Alexander Potapenko <glider@google.com>, "H. Peter Anvin" <hpa@zytor.com>, Larry Woodman <lwoodman@redhat.com>, linux-arch@vger.kernel.org, kvm@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>, Joerg Roedel <joro@8bytes.org>, linux-doc@vger.kernel.org, kasan-dev@googlegroups.com, Ingo Molnar <mingo@redhat.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Dave Young <dyoung@redhat.com>, Rik van Riel <riel@redhat.com>, Arnd Bergmann <arnd@arndb.de>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Andy Lutomirski <luto@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Dmitry Vyukov <dvyukov@google.com>, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, "Michael S. Tsirkin" <mst@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>

On Wed, Jun 07, 2017 at 02:13:53PM -0500, Tom Lendacky wrote:
> Update the CPU features to include identifying and reporting on the
> Secure Memory Encryption (SME) feature.  SME is identified by CPUID
> 0x8000001f, but requires BIOS support to enable it (set bit 23 of
> MSR_K8_SYSCFG).  Only show the SME feature as available if reported by
> CPUID and enabled by BIOS.
> 
> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
> ---
>  arch/x86/include/asm/cpufeatures.h |    1 +
>  arch/x86/include/asm/msr-index.h   |    2 ++
>  arch/x86/kernel/cpu/amd.c          |   13 +++++++++++++
>  arch/x86/kernel/cpu/scattered.c    |    1 +
>  4 files changed, 17 insertions(+)

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
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