core.c (1087ad4e3f88c474b8134a482720782922bf3fdf) core.c (0fb3978b0aac3a5c08637aed03cc2d65f793508f)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * kernel/sched/core.c
4 *
5 * Core kernel scheduler code and related syscalls
6 *
7 * Copyright (C) 1991-2002 Linus Torvalds
8 */

--- 9038 unchanged lines hidden (view full) ---

9047 * When going up, increment the number of cores with SMT present.
9048 */
9049 if (cpumask_weight(cpu_smt_mask(cpu)) == 2)
9050 static_branch_inc_cpuslocked(&sched_smt_present);
9051#endif
9052 set_cpu_active(cpu, true);
9053
9054 if (sched_smp_initialized) {
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * kernel/sched/core.c
4 *
5 * Core kernel scheduler code and related syscalls
6 *
7 * Copyright (C) 1991-2002 Linus Torvalds
8 */

--- 9038 unchanged lines hidden (view full) ---

9047 * When going up, increment the number of cores with SMT present.
9048 */
9049 if (cpumask_weight(cpu_smt_mask(cpu)) == 2)
9050 static_branch_inc_cpuslocked(&sched_smt_present);
9051#endif
9052 set_cpu_active(cpu, true);
9053
9054 if (sched_smp_initialized) {
9055 sched_update_numa(cpu, true);
9055 sched_domains_numa_masks_set(cpu);
9056 cpuset_cpu_active();
9057 }
9058
9059 /*
9060 * Put the rq online, if not already. This happens:
9061 *
9062 * 1) In the early boot process, because we build the real domains

--- 62 unchanged lines hidden (view full) ---

9125 static_branch_dec_cpuslocked(&sched_smt_present);
9126
9127 sched_core_cpu_deactivate(cpu);
9128#endif
9129
9130 if (!sched_smp_initialized)
9131 return 0;
9132
9056 sched_domains_numa_masks_set(cpu);
9057 cpuset_cpu_active();
9058 }
9059
9060 /*
9061 * Put the rq online, if not already. This happens:
9062 *
9063 * 1) In the early boot process, because we build the real domains

--- 62 unchanged lines hidden (view full) ---

9126 static_branch_dec_cpuslocked(&sched_smt_present);
9127
9128 sched_core_cpu_deactivate(cpu);
9129#endif
9130
9131 if (!sched_smp_initialized)
9132 return 0;
9133
9134 sched_update_numa(cpu, false);
9133 ret = cpuset_cpu_inactive(cpu);
9134 if (ret) {
9135 balance_push_set(cpu, false);
9136 set_cpu_active(cpu, true);
9135 ret = cpuset_cpu_inactive(cpu);
9136 if (ret) {
9137 balance_push_set(cpu, false);
9138 set_cpu_active(cpu, true);
9139 sched_update_numa(cpu, true);
9137 return ret;
9138 }
9139 sched_domains_numa_masks_clear(cpu);
9140 return 0;
9141}
9142
9143static void sched_rq_cpu_starting(unsigned int cpu)
9144{

--- 86 unchanged lines hidden (view full) ---

9231 hrtick_clear(rq);
9232 sched_core_cpu_dying(cpu);
9233 return 0;
9234}
9235#endif
9236
9237void __init sched_init_smp(void)
9238{
9140 return ret;
9141 }
9142 sched_domains_numa_masks_clear(cpu);
9143 return 0;
9144}
9145
9146static void sched_rq_cpu_starting(unsigned int cpu)
9147{

--- 86 unchanged lines hidden (view full) ---

9234 hrtick_clear(rq);
9235 sched_core_cpu_dying(cpu);
9236 return 0;
9237}
9238#endif
9239
9240void __init sched_init_smp(void)
9241{
9239 sched_init_numa();
9242 sched_init_numa(NUMA_NO_NODE);
9240
9241 /*
9242 * There's no userspace yet to cause hotplug operations; hence all the
9243 * CPU masks are stable and all blatant races in the below code cannot
9244 * happen.
9245 */
9246 mutex_lock(&sched_domains_mutex);
9247 sched_init_domains(cpu_active_mask);

--- 1679 unchanged lines hidden --- 		9243
9244 /*
9245 * There's no userspace yet to cause hotplug operations; hence all the
9246 * CPU masks are stable and all blatant races in the below code cannot
9247 * happen.
9248 */
9249 mutex_lock(&sched_domains_mutex);
9250 sched_init_domains(cpu_active_mask);

--- 1679 unchanged lines hidden ---