From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752886AbcD0MmP (ORCPT ); Wed, 27 Apr 2016 08:42:15 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:41267 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752478AbcD0MmM (ORCPT ); Wed, 27 Apr 2016 08:42:12 -0400 Date: Tue, 22 Mar 2016 14:01:50 +0100 From: Pavel Machek 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, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Radim =?utf-8?B?S3LEjW3DocWZ?= , Arnd Bergmann , Jonathan Corbet , Matt Fleming , Joerg Roedel , Konrad Rzeszutek Wilk , Paolo Bonzini , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Andrey Ryabinin , Alexander Potapenko , Thomas Gleixner , Dmitry Vyukov Subject: Re: [RFC PATCH v1 02/18] x86: Secure Memory Encryption (SME) build enablement Message-ID: <20160322130150.GB16528@xo-6d-61-c0.localdomain> References: <20160426225553.13567.19459.stgit@tlendack-t1.amdoffice.net> <20160426225614.13567.47487.stgit@tlendack-t1.amdoffice.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160426225614.13567.47487.stgit@tlendack-t1.amdoffice.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 2016-04-26 17:56:14, Tom Lendacky wrote: > Provide the Kconfig support to build the SME support in the kernel. Probably should go last in the series? > Signed-off-by: Tom Lendacky > --- > arch/x86/Kconfig | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 7bb1574..13249b5 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -1356,6 +1356,15 @@ config X86_DIRECT_GBPAGES > supports them), so don't confuse the user by printing > that we have them enabled. > > +config AMD_MEM_ENCRYPT > + bool "Secure Memory Encryption support for AMD" > + depends on X86_64 && CPU_SUP_AMD > + ---help--- > + Say yes to enable the encryption of system memory. This requires > + an AMD processor that supports Secure Memory Encryption (SME). > + The encryption of system memory is disabled by default but can be > + enabled with the mem_encrypt=on command line option. > + > # Common NUMA Features > config NUMA > bool "Numa Memory Allocation and Scheduler Support" -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html