From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D735AC636CC for ; Mon, 20 Feb 2023 16:42:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6CCE86B0075; Mon, 20 Feb 2023 11:42:04 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 67CDD6B0078; Mon, 20 Feb 2023 11:42:04 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4F6EE6B007B; Mon, 20 Feb 2023 11:42:04 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 409036B0075 for ; Mon, 20 Feb 2023 11:42:04 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 1B45580A35 for ; Mon, 20 Feb 2023 16:42:04 +0000 (UTC) X-FDA: 80488237368.16.27041FD Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2084.outbound.protection.outlook.com [40.107.94.84]) by imf09.hostedemail.com (Postfix) with ESMTP id 32FCB140010 for ; Mon, 20 Feb 2023 16:42:00 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=XJ2LSsWt; dmarc=pass (policy=quarantine) header.from=amd.com; spf=pass (imf09.hostedemail.com: domain of Michael.Roth@amd.com designates 40.107.94.84 as permitted sender) smtp.mailfrom=Michael.Roth@amd.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1676911321; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=YLQ/RWrACO1o5MYjZUYoB3LJRMJTWPICSChnPqiBt28=; b=761hZ1h6ZK3TKOwhL+F/cIOCN42skrujeZTBeiT19zzuYSepIvJ3e1UjsRbcKaqJgvOyDG ADB+vNF4wM06iRxKgLeZV+MO+bA05/tvqYdVcMYaAWFeoBA6K8F0DcV8WqlBRPQps5pwZV wEOCxRp8xU+d4teNt48SjJwp4gMjYCc= ARC-Authentication-Results: i=2; imf09.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=XJ2LSsWt; dmarc=pass (policy=quarantine) header.from=amd.com; spf=pass (imf09.hostedemail.com: domain of Michael.Roth@amd.com designates 40.107.94.84 as permitted sender) smtp.mailfrom=Michael.Roth@amd.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1676911321; a=rsa-sha256; cv=pass; b=WJHwyqgnMSoStfG2Ht65Yy2GQ2KPcJ3PdBzTknX8tjUUC2Nieul4SJ6daKWo0UBPXASObr sSeQC/x4ysQA4OJCE3nkekJtP/H1dp3PN8hT6zK8aBH1izpcYPnuBxd0lPp/CO0BQXuWVs No6DrXXi7qN3sqrZy+r98zLUl52ro4Q= ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=F33TLFEtUX5NqerECMz5nFJxNQwFlFIj3H5VIu5po3HvvBE2stSSf+bQEYHjnl8Zwc8cy8au0GWfifTmoIlZhSNKeuvZZq59YRyWrU3Q6bh8EShJYFsDBahua2o9yt/yEmWPwa+KHuDQ9SD1FJl8ZB8L2xVt62uH3vzsrzWJ2jsyqdbHa/cvQiByFI6c2klvbqiWW7KKLHDT5BtSJ4f8AOxOaRffdMJN4IDvmj6zBf9iyzc5gMKjRj9OBr7/vuAt7gxra7+RqjmJnnTEZ8MZiS/J28j3njS2zN+gwb6OnBfwzuBehqmFmAzFDu4/etABL8VWsx/hEJkhI7I8yHQepA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=YLQ/RWrACO1o5MYjZUYoB3LJRMJTWPICSChnPqiBt28=; b=NLG9FGYWXH8fTIrKr4ZN3ncUbW4B5+UUSgIbuJS2///Kebjo4+vB1vfXVu1dkCe+O/9fD/cF1e7+OkQ7j4plGUceQ8/eLS/aq0+5v4NsSbKHpGKBlBdf9rVEI/M7ARh0rB4cxnl/EHmtvVS2vs8cMXkE2oKJJ7IBCjGov7H7uZeWC60E1ZDx+OBTnET87JhJrtKODhjYTEmonlEkPpf45oVGGAiDLqyNA9/gmngXvxATYvJ52uaLyGO9i9rvUvVFzl4Quq4BDyx0znwtLNC30Uh/jAvQZMZC+0oYdEgOH1cvmQl3oE65SgAvzE8bF2/soyMknyqG51CjSZ3DRuunEw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=alien8.de smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=YLQ/RWrACO1o5MYjZUYoB3LJRMJTWPICSChnPqiBt28=; b=XJ2LSsWtc5kSl6xSCxN2kIAL/f4miZp0n0qEkgmhM+moc14clp0/EsAU42sAOFhckNyoWo3YQyzZnjYA/6xv31KebDllG2vgrRo44o4oMXbeBWR/NtU7wpvfJkdws8fgPqZAPt/V9M2yqcxUtqQvXuDA50R9GwWZml9Pi1vx/Sg= Received: from BN0PR04CA0002.namprd04.prod.outlook.com (2603:10b6:408:ee::7) by DM6PR12MB4201.namprd12.prod.outlook.com (2603:10b6:5:216::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6111.18; Mon, 20 Feb 2023 16:41:58 +0000 Received: from BN8NAM11FT024.eop-nam11.prod.protection.outlook.com (2603:10b6:408:ee:cafe::8e) by BN0PR04CA0002.outlook.office365.com (2603:10b6:408:ee::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6111.20 via Frontend Transport; Mon, 20 Feb 2023 16:41:58 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT024.mail.protection.outlook.com (10.13.177.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6111.21 via Frontend Transport; Mon, 20 Feb 2023 16:41:57 +0000 Received: from localhost (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Mon, 20 Feb 2023 10:41:57 -0600 Date: Mon, 20 Feb 2023 10:26:47 -0600 From: Michael Roth To: Borislav Petkov CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Brijesh Singh , Jarkko Sakkinen Subject: Re: [PATCH RFC v7 13/64] x86/cpufeatures: Add SEV-SNP CPU feature Message-ID: <20230220162647.czmii5swwsz2wdhy@amd.com> References: <20221214194056.161492-1-michael.roth@amd.com> <20221214194056.161492-14-michael.roth@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT024:EE_|DM6PR12MB4201:EE_ X-MS-Office365-Filtering-Correlation-Id: 694e7b28-0130-4090-89ae-08db136161e9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230025)(4636009)(396003)(136003)(376002)(39860400002)(346002)(451199018)(46966006)(40470700004)(36840700001)(16526019)(966005)(26005)(2616005)(7406005)(186003)(41300700001)(6666004)(1076003)(5660300002)(7416002)(336012)(316002)(83380400001)(426003)(478600001)(47076005)(8936002)(6916009)(81166007)(36860700001)(356005)(4326008)(70206006)(8676002)(40460700003)(40480700001)(70586007)(36756003)(54906003)(82310400005)(86362001)(44832011)(82740400003)(2906002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Feb 2023 16:41:57.7882 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 694e7b28-0130-4090-89ae-08db136161e9 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT024.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4201 X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 32FCB140010 X-Stat-Signature: ipi8xdaae4n3z5d3x8cjy5hsnua6s3hq X-HE-Tag: 1676911320-715470 X-HE-Meta: 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 mHjN0rsh 3k/DRhKnpMAOgy6HOEbQJ9NLZ8P//SQeAIzE74I5bnY7I5JBm3nfsqz7hbR25Namt0eW6FHoJvSYa3qOVoWwnf0z4cjikSj1CwXeZi2kVXYoqXXxz87c13Kok13WC3YTCzqf+i/VCY9j8Hsp2tQmxiSKV0ObrtCmJDmpqFolcUntSQrG3fDLmnb+fAARcJZNmnylA2Bqo1V3AfDaIL250WfhqWIyj2NeCB2tlG0jsADNPcAy95S6xmyrUdRyqHUGJXQZSzjxDqiSrSA9T3/B2o4nV5kJxDNkds06AaUJnEGlcX+TchrYcVpMSa0WhMOU3XioZVJ5KtdrhbYm09W3jGo3Xau2aMr5zNKGMAELpgGlabKAuW7HNx+ixQkCKN4C7XJS1uPnEwiTSGZ3xUEleCp3ZFa7cd80jscTtl73EgyZhg/Gl+K+nfWDPkmqmmQV406PhQfjJkG/q1Ts= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Feb 01, 2023 at 07:39:32PM +0100, Borislav Petkov wrote: > On Wed, Dec 14, 2022 at 01:40:05PM -0600, Michael Roth wrote: > > From: Brijesh Singh > > > > Add CPU feature detection for Secure Encrypted Virtualization with > > Secure Nested Paging. This feature adds a strong memory integrity > > protection to help prevent malicious hypervisor-based attacks like > > data replay, memory re-mapping, and more. > > > > Link: https://lore.kernel.org/all/YrGINaPc3cojG6%2F3@zn.tnic/ > > That points to some review feedback I've given - dunno if it is > relevant. > > > Signed-off-by: Brijesh Singh > > Signed-off-by: Jarkko Sakkinen > > I read this as Jarkko has handled this patch too. Is that the case? Yes we shared some patches via an internal tree at some stages. -Mike > > > Signed-off-by: Ashish Kalra > > Signed-off-by: Michael Roth > > Those last two are ok - you took ovef from Ashish. > > Thx. > > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette