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Tue, 16 Sep 2025 13:53:26 +0000 Date: Tue, 16 Sep 2025 21:53:15 +0800 From: Chao Gao To: Sean Christopherson CC: Paolo Bonzini , , , Tom Lendacky , Mathias Krause , John Allen , Rick Edgecombe , Maxim Levitsky , Xiaoyao Li , Zhang Yi Z Subject: Re: [PATCH v15 00/41] KVM: x86: Mega-CET Message-ID: References: <20250912232319.429659-1-seanjc@google.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250912232319.429659-1-seanjc@google.com> X-ClientProxiedBy: SI2PR06CA0012.apcprd06.prod.outlook.com (2603:1096:4:186::13) To CH3PR11MB8660.namprd11.prod.outlook.com (2603:10b6:610:1ce::13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PR11MB8660:EE_|SA3PR11MB8117:EE_ X-MS-Office365-Filtering-Correlation-Id: 19c1104a-3715-47cf-27cf-08ddf528689f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?8JzYeYtNQB0rs3pykIj00fqHo+cXyDg7g21VIiNqV/lPB90IBwsulqr71a8C?= =?us-ascii?Q?gHmChHxJP8hFYEH0n2SgNIi6eo7V8CqhIjZp14uj/UXFMPPmCg/p41a3dt2f?= =?us-ascii?Q?D89cK7akjdF7DVM3p8nI9l+geE60R6bYWnM+MJtfQGHJvmZdD5Y/J0r0dP7N?= =?us-ascii?Q?G8GYo5XwTTy1hp0IKQJAMocmuNFQHg1TW4YQAnVDpdxoDySpTNAwWyGyAqjb?= =?us-ascii?Q?eDVhp37t0tJgwbzWxlA3xVlWbr4I0E+FXlRlchBriWN+1aTK2bIx++sLFisH?= =?us-ascii?Q?JdGJ1UKvzKPWSBgTo3l5m47vKntEMelkmDUBOMX9/GBf0jaSJGMQnfFu6InI?= =?us-ascii?Q?PIWPZUFg82PLLGLxpZgrfn/7fjsu6xltr8g5xSRutf1F0kwlUM3z8gYQCE5i?= =?us-ascii?Q?j8vkuSXdi6n8sqH+zxNOYkiZj7ZIk9jpadT+L3oC/McgbZn2Bz2SYftUYZMT?= =?us-ascii?Q?GmvAH+NCtpihCgZldUDQW5BJ6daR6aeArmJxVKykwHvf1xk80LvRJl+eOzRt?= =?us-ascii?Q?BFQVC47HTuT3qhlWZ6TPVV88ODVCv8yHyo/gLp8UqjglYFNX+EnBCVL9tiod?= =?us-ascii?Q?SpNduHkIYpOTU2wAN9Cm5EIznssd5r8J8WdtGj3med5J6sFiPWIQlolUcvcS?= =?us-ascii?Q?y3vxIV1OvRlKIZ16v9t4i3OYOkeduTyKOGdTdROIyodMMMHidCjngi0nIWeb?= =?us-ascii?Q?4vm9nyyh9ff3q/74QBwLGTYhTZ/uunbyjvj0IEyIupSr9aLeg6kT4TSgA7sR?= =?us-ascii?Q?L7AnvZ+J8EdyT8sQ2PljZ1wwFJZS0mRj+PRsh5IDmMgGx5QCEk+9bUpfzOFr?= =?us-ascii?Q?L6RpQywO0mlVyDj7+hSojcPX202Ow64DUdBqpRAiFUZ3eCTxzz4yxTkz+Jx6?= =?us-ascii?Q?W0OYVNPXXxWSMhIW/KeTlZYD5OvVTawov79m5eXR5n/o9e57tBbRM/WpgUNq?= =?us-ascii?Q?JwmAeYw4w3T5c2uwoagbbvqAfDLTVV2BwK54dvPsM7jkYO1/mDhy9Y+vG9Ly?= =?us-ascii?Q?x3DBATdKMHVMMwZ+DnUfFEKJyGhMUhhNmnYWnVmzqIFdhslP71T0NQp9XcaR?= =?us-ascii?Q?EeE9rb6mPAm+EJmrQVv+wweUoh0KVtoY30XOqNPKrNFCKWWbHktxRWl3Turz?= =?us-ascii?Q?tMZ4+vTvo7AtzY+rSNTycgxDzpdoNUNPKNzfXk6VFYJXk5rGca+CsOTEgSV7?= =?us-ascii?Q?LNPakHX3x51jnNT7+Hk1fkt27/KbPRZ8q1doe3Wx5vDSufk42Gx/sGBMGx7x?= =?us-ascii?Q?ZDv3VffbgPCP5cA7qDaA/9tfS2pO0LIXN3qnZMOW7CeLygYSoSLmv0vay142?= =?us-ascii?Q?dxjtiprpzYoLKLU9qV+tpes4ZMqglPFWxUPomOQdoEIXtzcnW/qUYgIWqR5e?= =?us-ascii?Q?wSaooBixybHk+hQlfMe4Ey8JoVrOjs1mM7BrAtJN2X9mWgoCAe+nNgUC+IRI?= =?us-ascii?Q?lOrk5Oj3IS7bkwnBK/eGvnrdiW3u7OV6bq44yFy/njYPwSTG43M58fl41dsC?= =?us-ascii?Q?aqGw3+qBVaHLZMiJ2CgA8GzSuRkB5XQPZeNuq4m8AjNVJBbuBsWIF5qfJ4/E?= =?us-ascii?Q?PvZtiBN34FkmRJSgcnqkOkAKc4ODo9sPjyHg/3uE?= X-MS-Exchange-CrossTenant-Network-Message-Id: 19c1104a-3715-47cf-27cf-08ddf528689f X-MS-Exchange-CrossTenant-AuthSource: CH3PR11MB8660.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Sep 2025 13:53:26.2229 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ZWo07jytyOZfgn2rB2fKgVrTScbqJeMoyt+whE4N9Y//PfPai2tPctsmx7/mIaO8b+BbXmF0jU6pWDfriKq6Tg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR11MB8117 X-OriginatorOrg: intel.com On Fri, Sep 12, 2025 at 04:22:38PM -0700, Sean Christopherson wrote: >This series is (hopefully) all of the in-flight CET virtualization patches >in one big bundle. Please holler if I missed a patch or three as this is what >I am planning on applying for 6.18 (modulo fixups and whatnot), i.e. if there's >something else that's needed to enable CET virtualization, now's the time... > >Patches 1-3 probably need the most attention, as they are new in v15 and I >don't have a fully working SEV-ES setup (don't have the right guest firmware, >ugh). Though testing on everything would be much appreciated. > I tested this series on my EMR system using patched KUT [1][2][3], kselftest, and glibc tests. No CET test failures or regressions were observed. [1]: https://lore.kernel.org/kvm/20250626073459.12990-1-minipli@grsecurity.net/ [2]: https://lore.kernel.org/kvm/20250915144936.113996-1-chao.gao@intel.com/ [3]: https://github.com/xinli-intel/kvm-unit-tests/commit/f1df81c3189a3328adb47c7dd6cd985830fe738f