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

/device/soc/rockchip/common/sdk_linux/kernel/
H A Dcpu.c306 DEFINE_STATIC_PERCPU_RWSEM(cpu_hotplug_lock); variable
310 percpu_down_read(&cpu_hotplug_lock); in cpus_read_lock()
316 return percpu_down_read_trylock(&cpu_hotplug_lock); in cpus_read_trylock()
322 percpu_up_read(&cpu_hotplug_lock); in cpus_read_unlock()
328 percpu_down_write(&cpu_hotplug_lock); in cpus_write_lock()
333 percpu_up_write(&cpu_hotplug_lock); in cpus_write_unlock()
348 percpu_rwsem_assert_held(&cpu_hotplug_lock); in lockdep_assert_cpus_held()
353 rwsem_acquire(&cpu_hotplug_lock.dep_map, 0, 0, _THIS_IP_); in lockdep_acquire_cpus_lock()
358 rwsem_release(&cpu_hotplug_lock.dep_map, _THIS_IP_); in lockdep_release_cpus_lock()
860 * Serialize hotplug trainwrecks outside of the cpu_hotplug_lock
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