37 	cpumask_var_t smt;  member
86 	 * SMT mask should be cleared whether we can claim @cpu or not. The SMT  in scx_idle_test_and_clear_cpu()
91 		const struct cpumask *smt = cpu_smt_mask(cpu);  in scx_idle_test_and_clear_cpu()  local
92 		struct cpumask *idle_smts = idle_cpumask(node)->smt;  in scx_idle_test_and_clear_cpu()
97 		 * @cpu is never cleared from the idle SMT mask. Ensure that  in scx_idle_test_and_clear_cpu()
104 		if (cpumask_intersects(smt, idle_smts))  in scx_idle_test_and_clear_cpu()
105 			cpumask_andnot(idle_smts, idle_smts, smt);  in scx_idle_test_and_clear_cpu()
122 		cpu = cpumask_any_and_distribute(idle_cpumask(node)->smt, cpus_allowed);  in pick_idle_cpu_in_node()
422  *     idle) to avoid interference caused by SMT.
428  * 3. Prefer @prev_cpu's SMT sibling:
430  *     place the task on an idle SMT sibling of @prev_cpu; keeping the
566 	 * If CPU has SMT, any wholly idle CPU is likely a better pick than  in scx_select_cpu_dfl()
574 		    cpumask_test_cpu(prev_cpu, idle_cpumask(node)->smt) &&  in scx_select_cpu_dfl()
611 		 * Give up if we're strictly looking for a full-idle SMT  in scx_select_cpu_dfl()
685 	BUG_ON(!alloc_cpumask_var(&scx_idle_global_masks.smt, GFP_KERNEL));  in scx_idle_init_masks()
697 		BUG_ON(!alloc_cpumask_var_node(&scx_idle_node_masks[i]->smt, GFP_KERNEL, i));  in scx_idle_init_masks()
719 		const struct cpumask *smt = cpu_smt_mask(cpu);  in update_builtin_idle()  local
720 		struct cpumask *idle_smts = idle_cpumask(node)->smt;  in update_builtin_idle()
727 			if (!cpumask_subset(smt, idle_cpus))  in update_builtin_idle()
729 			cpumask_or(idle_smts, idle_smts, smt);  in update_builtin_idle()
731 			cpumask_andnot(idle_smts, idle_smts, smt);  in update_builtin_idle()
850 		cpumask_clear(idle_cpumask(NUMA_NO_NODE)->smt);  in reset_idle_masks()
856 		cpumask_clear(idle_cpumask(node)->smt);  in reset_idle_masks()
1241 		return idle_cpumask(node)->smt;  in scx_bpf_get_idle_smtmask_node()
1274 		return idle_cpumask(NUMA_NO_NODE)->smt;  in scx_bpf_get_idle_smtmask()
1281  * either the percpu, or SMT idle-tracking cpumask.