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Mon, 7 Jul 2025 01:32:49 +0000 Date: Mon, 7 Jul 2025 09:32:37 +0800 From: Chao Gao To: Xiaoyao Li CC: , , , , , , , , , , , , Borislav Petkov , Dave Hansen , "H. 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?OX812Y+be19v2LVp3DPFDlBEdDVJt0Y7K2JkNshBzJUrr5URe0NImvSXKCdo?= =?us-ascii?Q?WdWXgGZVHgr6p9ZVmP49l+45Xa4bOPw5R6OGnZC96uPNsSZu4vxJGGH5XR5V?= =?us-ascii?Q?+HugMpkNUMUfTq68QlMHTxjfKJ8JI/IvU8WxZjZvSf2HDTnZ3srkmclVPslG?= =?us-ascii?Q?1ErgE3Jsxw0gq4TwT8TUF7CxM2e3r1fUZpIpGCteyNVF3gJHbMKk/BW0qtaB?= =?us-ascii?Q?3GIUqJPtjmJ3IEqjB6/fSx9y2Qr04k1CEUPLrrCriq+yerSaeL/t29fUEu79?= =?us-ascii?Q?+OEonV/rMt1bCBkqzUblXZN1BWJAcdFYNNkJDipQrhLSWg9wjuCGVgTvSzwK?= =?us-ascii?Q?LrciQXIggMZX8o2rbfoXB8kG8BUDPeMeUlVq5yfKXX9ot6eUlhv5SdmqZ8Ut?= =?us-ascii?Q?DfMFOhRm2dvvCPmQ2n1EK8eSRR8tl76KTIZILLUM6Q3/XSdjERQqdLql9oD3?= =?us-ascii?Q?Hwnt0Frzz6J+pVZ28N1l71gR2n0pf7t2V1GErG981IyOxS24uH4WLTZrlkOC?= =?us-ascii?Q?P3H97Z6MYqbTz7A8E9B7uWJqOTMo7CwPE05gpw2IME1+oi3BTY2BEKCNxyK2?= =?us-ascii?Q?4ZXxiy/McmqgnhbCEp2TJaysGNKaDzQ5b0JVG8TikOR2GThPZFKSaCOEhEnA?= =?us-ascii?Q?cMzG5/xj/gdsQb2T832hB2VFkl6tpJrsuIV7ZOygoxAaIzf/r9iI8V+C6LBH?= =?us-ascii?Q?68+QdsZv6w+P/38/wPK+29bzu9yKvCAGwaWVrNWRU7tni3eA+XpImxRQHa5T?= =?us-ascii?Q?NesmiQ93yH3bKK5Xh3SkLnEAqHA7iw+XPj+fEp8ZbHe6piKlL4ZIUtoN/SRA?= =?us-ascii?Q?nFHC8V6+J7raCHTyrTWsarpB4xNr3kjex8g3xzZf2DKrRR7MepBxMjYC3Bg1?= =?us-ascii?Q?9peybUjHPOGXjME9bSAeRCKWX93oyoBdZXf9YrZ/JmCDR7BvGbfqxTLvWFLc?= =?us-ascii?Q?CyMibHS4FFtFP7mmJroRbJ8V6qwQ8ikHhEfKsG816uDEwnqPg+Y7kqXyofNo?= =?us-ascii?Q?Rx5vTDlz2dcjPCKDBFWy0BSMvkIwj2jHhEmDNA8N5LWW17xrw+Mrw+5tEHeg?= =?us-ascii?Q?VcmcyfzoxEg4Z/kJbqxyvva1ezzKK6mf6A21RHmmD7bSkqFJPas18sLp0DBg?= =?us-ascii?Q?ZXXwubCTZbqpM9mMYWrZd1Z/SJjCHWpksm671Vmh1md74CZ/zogOLqmRInHE?= =?us-ascii?Q?3A1rIY1xclluQN4jfGpPOvCdvq6jtrL0RUlUBsQq/AQVLgY6/s7NTqkTlE7J?= =?us-ascii?Q?7hhUhva3u5pz4C5J9YqseiTZjaSqlzeRye1NR4nWUlsI0jAf2GaUCWgMB+ly?= =?us-ascii?Q?3wuQLW1Ku5m7cLssW9In2KJG14ThzEMTw5WbISUqauS2uqNKd/raR++9qTTL?= =?us-ascii?Q?0Jpr1pJDHUaMQ5rzSYOb4Oct6Tj+b+UQcrvnD2864ROXlLvYhu+3slc06wPT?= =?us-ascii?Q?REZhn7qaWZjgH0jLVNdwo+273r1LR3vvVm7XCMhnDfhpGOUkYd8xMlsEnPKo?= =?us-ascii?Q?v/IfzkEir1SxYwrTYO1Vl+oB5JS5V8WkumKbhLfvmTRBKuCap2a0K4pQMFET?= =?us-ascii?Q?Y9JcDiN2xyDdNYiW/V+iemapF4R8eAfNGfpb9rww?= X-MS-Exchange-CrossTenant-Network-Message-Id: 4954f6f9-01bc-4d32-78b5-08ddbcf62ef8 X-MS-Exchange-CrossTenant-AuthSource: CH3PR11MB8660.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2025 01:32:49.6847 (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: mjVm6nJwLdg6UnBqorzbIo0DvzTGPr9fc40tEIplgrDVZMTd0Zu2vCGq/+bz2pqR9hq2jXfr6A1LzBWmtiqvag== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB5981 X-OriginatorOrg: intel.com On Mon, Jul 07, 2025 at 12:51:14AM +0800, Xiaoyao Li wrote: >Hi Chao, > >On 7/4/2025 4:49 PM, Chao Gao wrote: >> Tests: >> ====================== >> This series passed basic CET user shadow stack test and kernel IBT test in L1 >> and L2 guest. >> The patch series_has_ impact to existing vmx test cases in KVM-unit-tests,the >> failures have been fixed here[1]. >> One new selftest app[2] is introduced for testing CET MSRs accessibilities. >> >> Note, this series hasn't been tested on AMD platform yet. >> >> To run user SHSTK test and kernel IBT test in guest, an CET capable platform >> is required, e.g., Sapphire Rapids server, and follow below steps to build >> the binaries: >> >> 1. Host kernel: Apply this series to mainline kernel (>= v6.6) and build. >> >> 2. Guest kernel: Pull kernel (>= v6.6), opt-in CONFIG_X86_KERNEL_IBT >> and CONFIG_X86_USER_SHADOW_STACK options. Build with CET enabled gcc versions >> (>= 8.5.0). >> >> 3. Apply CET QEMU patches[3] before build mainline QEMU. > >You forgot to provide the links of [1][2][3]. Oops, thanks for catching this. Here are the links: [1]: KVM-unit-tests fixup: https://lore.kernel.org/all/20230913235006.74172-1-weijiang.yang@intel.com/ [2]: Selftest for CET MSRs: https://lore.kernel.org/all/20230914064201.85605-1-weijiang.yang@intel.com/ [3]: QEMU patch: https://lore.kernel.org/all/20230720111445.99509-1-weijiang.yang@intel.com/ Please note that [1] has already been merged. And [3] is an older version of CET for QEMU; I plan to post a new version for QEMU after the KVM series is merged.