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authorPeter Zijlstra <[email protected]>2018-09-11 11:51:27 +0200
committerIngo Molnar <[email protected]>2018-09-11 20:01:03 +0200
commitcb92173d1f0474784c6171a9d3fdbbca0ee53554 (patch)
tree235d836c029b9c8213897ab723130b1393558db5 /tools/perf/scripts/python/exported-sql-viewer.py
parent84818af26350c245c8e1994493b7459c0822be5b (diff)
locking/lockdep, cpu/hotplug: Annotate AP thread
Anybody trying to assert the cpu_hotplug_lock is held (lockdep_assert_cpus_held()) from AP callbacks will fail, because the lock is held by the BP. Stick in an explicit annotation in cpuhp_thread_fun() to make this work. Reported-by: Ingo Molnar <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Fixes: cb538267ea1e ("jump_label/lockdep: Assert we hold the hotplug lock for _cpuslocked() operations") Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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