locking/percpu-rwsem, lockdep: Make percpu-rwsem use its own lockdep_map

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As preparation for replacing the embedded rwsem, give percpu-rwsem its
own lockdep_map.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Davidlohr Bueso <dbueso@suse.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Waiman Long <longman@redhat.com>
Tested-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lkml.kernel.org/r/20200131151539.927625541@infradead.org

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Peter Zijlstra 2019-10-30 20:01:26 +01:00 • committed by Ingo Molnar

parent 810507fe6f

commit 1751060e25

5 changed files with 37 additions and 18 deletions

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29

include/linux/percpu-rwsem.h

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4

kernel/cpu.c

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16

kernel/locking/percpu-rwsem.c

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4

kernel/locking/rwsem.c

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2

kernel/locking/rwsem.h

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