Searched refs:cpu_hotplug_lock (Results 1 - 1 of 1) sorted by relevance

/linux-master/kernel/
H A Dcpu.c484 DEFINE_STATIC_PERCPU_RWSEM(cpu_hotplug_lock); variable
488 percpu_down_read(&cpu_hotplug_lock);
494 return percpu_down_read_trylock(&cpu_hotplug_lock);
500 percpu_up_read(&cpu_hotplug_lock);
506 percpu_down_write(&cpu_hotplug_lock);
511 percpu_up_write(&cpu_hotplug_lock);
525 percpu_rwsem_assert_held(&cpu_hotplug_lock);
531 return percpu_rwsem_is_held(&cpu_hotplug_lock);
537 rwsem_acquire(&cpu_hotplug_lock.dep_map, 0, 0, _THIS_IP_);
542 rwsem_release(&cpu_hotplug_lock
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