From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751348AbdIOQ2F (ORCPT ); Fri, 15 Sep 2017 12:28:05 -0400 Received: from mail-by2nam01on0040.outbound.protection.outlook.com ([104.47.34.40]:20256 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750871AbdIOQ2C (ORCPT ); Fri, 15 Sep 2017 12:28:02 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=brijesh.singh@amd.com; Cc: brijesh.singh@amd.com, Tom Lendacky , "H. Peter Anvin" , Arnd Bergmann , David Laight , "linux-kernel@vger.kernel.org" , "x86@kernel.org" , "linux-efi@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "kvm@vger.kernel.org" , Fenghua Yu , Matt Fleming , David Howells , Paul Mackerras , Christoph Lameter , Jonathan Corbet , =?UTF-8?Q?Radim_Krcm=c3=a1r?= , Piotr Luc , Ingo Molnar , Dave Airlie , Kees Cook , Konrad Rzeszutek Wilk , Reza Arbab , Andy Lutomirski , Thomas Gleixner , Laura Abbott , Tony Luck , Ard.Biesheuvel@zytor.com Subject: Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active To: Borislav Petkov References: <063D6719AE5E284EB5DD2968C1650D6DD003FB85@AcuExch.aculab.com> <201707261927.v6QJR228008075@mail.zytor.com> <589d65a4-eb09-bae9-e8b4-a2d78ca6b509@amd.com> <20170822165248.rkbluikdgduu7ucy@pd.tnic> <20170915122430.pnroy6vsg53warel@pd.tnic> <95314c89-2620-8bb7-cbe8-cd9bc3adabb0@amd.com> <20170915143935.6vtfp5rtj5h324fi@pd.tnic> <20170915162256.7l4vyy4ee5zeqbir@pd.tnic> From: Brijesh Singh Message-ID: <100e9186-c28e-1caa-4bd5-1a2624cc5c01@amd.com> Date: Fri, 15 Sep 2017 11:27:48 -0500 User-Agent: Mozilla/5.0 (X11; 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Yep, its safe to derefs the static key in mem_encrypt_init(). I've tried the approach and it seems to be work fine. I will include the required changes in next rev. thanks From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brijesh Singh Subject: Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active Date: Fri, 15 Sep 2017 11:27:48 -0500 Message-ID: <100e9186-c28e-1caa-4bd5-1a2624cc5c01@amd.com> References: <063D6719AE5E284EB5DD2968C1650D6DD003FB85@AcuExch.aculab.com> <201707261927.v6QJR228008075@mail.zytor.com> <589d65a4-eb09-bae9-e8b4-a2d78ca6b509@amd.com> <20170822165248.rkbluikdgduu7ucy@pd.tnic> <20170915122430.pnroy6vsg53warel@pd.tnic> <95314c89-2620-8bb7-cbe8-cd9bc3adabb0@amd.com> <20170915143935.6vtfp5rtj5h324fi@pd.tnic> <20170915162256.7l4vyy4ee5zeqbir@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170915162256.7l4vyy4ee5zeqbir-fF5Pk5pvG8Y@public.gmane.org> Content-Language: en-US Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Borislav Petkov Cc: brijesh.singh-5C7GfCeVMHo@public.gmane.org, Tom Lendacky , "H. Peter Anvin" , Arnd Bergmann , David Laight , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" , "kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Fenghua Yu , Matt Fleming , David Howells , Paul Mackerras , Christoph Lameter , Jonathan Corbet , =?UTF-8?Q?Radim_Krcm=c3=a1r?= , Piotr Luc , Ingo Molnar List-Id: linux-efi@vger.kernel.org On 09/15/2017 11:22 AM, Borislav Petkov wrote: > mem_encrypt_init() where everything should be set up already. Yep, its safe to derefs the static key in mem_encrypt_init(). I've tried the approach and it seems to be work fine. I will include the required changes in next rev. thanks