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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?wcIHqjTjTHTMBW15whxm02gvYjHhzDLNxdzcoXfoDsURhgrbxYLQ4psZBg+i?= =?us-ascii?Q?8kKFBlkoo2GeAcKZYeg6ptWu9+LObhkde1ln6YHNbiOvdGEFcsC69E/EZRTQ?= =?us-ascii?Q?ffMwMqFVnKiNBLR4Y3naUtYjJoAxupVVDqBUEdrqYlWFq5vE7oQF91bhowN1?= =?us-ascii?Q?lZLM0Hhw+jSgI4+jGk4JfI16EgB1i8VedSY4x2q0IBZodkRT0bcOG3XOzMj6?= =?us-ascii?Q?O0jNHQEkVHcYU1+jMWw6spaXVpmqi/8JGE6moJT4P0tVISjdg1kMRc0AqlCT?= =?us-ascii?Q?xcpknMBAaHqQyRRzbOP0kWlqfnf4yVNp1BAsrqQuR7od8ZE6Nw4l/DStbO98?= =?us-ascii?Q?na+4VKT4gq1yaqyqlI9b1ult737R643iVdiSg80jeETH3kVNDJbfQfyn83Re?= =?us-ascii?Q?Wp/LktaHQkSSwq+JSNxhO+HvanL74wRAvj/QUvtnTD7ad8G6LIESjKlqL1xd?= =?us-ascii?Q?MG9B4qTFJqHSsvZswfFKrLgPL5IXV3P6UrLEyAufuBWa1h2uwEGsE3pVESU+?= =?us-ascii?Q?bYav4U3Q5C1Ww5epAF04wEudzoc5km8mHLC0V3nOM26N0stbIKUNLdaZhZj3?= =?us-ascii?Q?9UBTw5IhcIDhYWNoRauyWVBpsiIZ7pHdS73W4btDAMtQPNTZIkXX4Jo3SckH?= =?us-ascii?Q?Km7E/7KFRhE/IkQVDRKzRLMJRAJySt+ur+UYIx0RhkxjvgzEgv/hmfkEgacB?= =?us-ascii?Q?OG1vAA9Hgf+rweFfiYOaDQrblmFOrnsiLw2Dr1Uc/KY8JVkvqH45434JAlsw?= =?us-ascii?Q?NCkOjsk2p5upikz1jvGiD11ZUhG9DOahwYZW+LhPzEv23QeLNJ71N77dizuB?= =?us-ascii?Q?Bo35SSIXqyuV+aEHKjhi7mf09BqZjk9oOG8Xr/GGOMvWwl0vVhZKrY8uKkVa?= =?us-ascii?Q?KJwVIVN368wG6B6FedWc6z3Pt4Nc8qFeWfD3KCANG5a61huNexOp0p1099lt?= =?us-ascii?Q?ytNAmBpTIhBTQqL06LPiFNe21zIm9pfaWgQnNfm5TokhVmUZk9DEgy1RQ+TG?= =?us-ascii?Q?EwNG3bOA1AWsoN5P8azaHY+Trh22qte8RjLZrj151lBhuE5JjCXzUyK5EnZx?= =?us-ascii?Q?/Rd+TFFvZ9sSaCbyQJ4zu15Sdbz6Z9z7HU56Md273KEBeoDG9YpL+VPuDuiq?= =?us-ascii?Q?7bfK2wu2kzvCgvLXc5ardlaXk+bpHcWniZgqPueApB/p8/iUmjJOR5yXZQwu?= =?us-ascii?Q?Yt7dhZql6X2E07Va8Z4fFNmQPNVoPartTkf4B0Ib8HB8oC98VlgjRCky8yXs?= =?us-ascii?Q?6lraWLbqu2uvw19nR4sTMgLJifTuaYxd8pTWLvM0wk0YDQLuG6YgDrkJSx1D?= =?us-ascii?Q?kpmbj9oOaVchLc5PXy/d9Ct1PkwI0k+8m5LymKSVGttW9ptWiAWvTzHcRuRh?= =?us-ascii?Q?IUebOlTYgpzZhC8nJL6oCL8nWwzMlEelYGulCzVhpIAHNd0hXM+OXboKsDJj?= =?us-ascii?Q?jPCA8Icx1fjPXCAp1NmnKu/f2r3siI9GxZU7BkZG3MIJhR649DorZqt5UfHV?= =?us-ascii?Q?MWdxRLyTLaZFSR1R2XuSqKP9FGnoOCN39GNc3KHUGYr1ET84iIQe1FxCXKGL?= =?us-ascii?Q?IXnxOnbc48wi3WwxRTMeowNYJ7HfaP+hqbl3CixKbdEOgP3/QYg9NuxIPQjj?= =?us-ascii?Q?iEBixuQESEMTFtCC1G969uchi2OJcroUnA782JAaM6x0DiBuMxopPWFMOXxB?= =?us-ascii?Q?HijqPdMu1wKnepASTM38b3ZKyHwJkGzKxdd4I4OdlraAXNqk/ZtDxs0j/uV9?= =?us-ascii?Q?fhGKdYl6oQ=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: fe083fea-2016-4580-13f8-08dee796d904 X-MS-Exchange-CrossTenant-AuthSource: BL0PR12MB2370.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jul 2026 02:13:40.8711 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 2XKqHIap/clbRVB2opIoGo47onQMCSDASKEeAwJ6bVrQrpvsVXKo8tkV/4cj0TXGLAia0WzTV7bO3sAnN3DCyA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB7002 The MBA test is skipped on every CPU that does not report "GenuineIntel", although everything the test needs is discoverable at runtime: an MB resource with a bandwidth monitor in resctrl, and a reference PMU backend to validate against. The vendor gate also can never match on architectures whose /proc/cpuinfo has no vendor_id line at all, such as arm64. Drop .vendor_specific from the MBA test and rely on the feature check. On systems where any required piece is missing - including architectures for which no reference bandwidth backend exists yet - the test reports SKIP exactly as it did under the vendor gate. Signed-off-by: Richard Cheng --- tools/testing/selftests/resctrl/mba_test.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/resctrl/mba_test.c b/tools/testing/selftests/resctrl/mba_test.c index 6c85107c32ee..22a887a1b4f8 100644 --- a/tools/testing/selftests/resctrl/mba_test.c +++ b/tools/testing/selftests/resctrl/mba_test.c @@ -208,6 +208,12 @@ static int mba_run_test(const struct resctrl_test *test, const struct user_param return ret; } +/* + * The MBA test runs wherever resctrl exposes an MB resource, a memory-bandwidth + * monitor (x86 local bytes under L3_MON or MPAM total bytes under MB_MON), and + * an independent reference-bandwidth PMU exists to + * validate against. It is not gated on CPU vendor. + */ static bool mba_feature_check(const struct resctrl_test *test) { return test_resource_feature_check(test) && @@ -219,7 +225,6 @@ static bool mba_feature_check(const struct resctrl_test *test) struct resctrl_test mba_test = { .name = "MBA", .resource = "MB", - .vendor_specific = ARCH_INTEL, .feature_check = mba_feature_check, .run_test = mba_run_test, .cleanup = mba_test_cleanup, -- 2.43.0