b22afcdf04c9 ("cpu/hotplug: Cure the cpusets trainwreck") a74cfffb03b7 ("x86/speculation: Rework SMT state change") 321a874a7ef8 ("sched/smt: Expose sched_smt_present static key") 53c613fe6349 ("x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation")