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

/linux-master/kernel/events/
H A Dhw_breakpoint.c95 DEFINE_STATIC_PERCPU_RWSEM(bp_cpuinfo_sem); variable
131 percpu_down_read(&bp_cpuinfo_sem);
133 percpu_down_write(&bp_cpuinfo_sem);
142 percpu_up_read(&bp_cpuinfo_sem);
145 percpu_up_write(&bp_cpuinfo_sem);
153 return percpu_is_write_locked(&bp_cpuinfo_sem) ||
155 percpu_is_read_locked(&bp_cpuinfo_sem));
164 lockdep_assert_held(&bp_cpuinfo_sem);
307 * At this point we want to have acquired the bp_cpuinfo_sem as a
311 lockdep_assert_held_write(&bp_cpuinfo_sem);
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