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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 DS1PEPF0000E648.mail.protection.outlook.com (10.167.18.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6134.14 via Frontend Transport; Mon, 20 Feb 2023 18:01:34 +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 12:01:34 -0600 Date: Mon, 20 Feb 2023 12:00:38 -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: <20230220180038.bkypwkjkzsb4xc4b@amd.com> References: <20221214194056.161492-1-michael.roth@amd.com> <20221214194056.161492-14-michael.roth@amd.com> <20230220162647.czmii5swwsz2wdhy@amd.com> MIME-Version: 1.0 Content-Type: text/plain; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Feb 2023 18:01:34.9970 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 42965bd7-2543-4da6-e6d1-08db136c8160 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: DS1PEPF0000E648.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6400 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Mon, Feb 20, 2023 at 06:50:09PM +0100, Borislav Petkov wrote: > On Mon, Feb 20, 2023 at 10:26:47AM -0600, Michael Roth wrote: > > 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. > > In the sense that, he took Brijesh's patch, then he did something with > it(?) and then Ashish took it from him and then you took it from Ashish? Yes, I think he rebased Ashish's tree on a newer tree and added his SoB on patches that required any conflict resolutions or changes on his end, so we kept those intact since then. -Mike > > This is how I'm reading this SOB chain at least... > > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette