diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 67bda877bfa882f264cbb45533a4e0082b9a1689..7825ceaae0c41795ab8b84b7b89f4888f97967c0 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5897,6 +5897,10 @@ int sched_cpu_deactivate(unsigned int cpu) ret = cpuset_cpu_inactive(cpu); if (ret) { +#ifdef CONFIG_SCHED_SMT + if (cpumask_weight(cpu_smt_mask(cpu)) == 2) + static_branch_inc_cpuslocked(&sched_smt_present); +#endif set_cpu_active(cpu, true); return ret; }