summaryrefslogtreecommitdiff
path: root/kernel/locking/rwsem.h
diff options
context:
space:
mode:
authorPeter Zijlstra <peterz@infradead.org>2019-10-30 20:01:26 +0100
committerIngo Molnar <mingo@kernel.org>2020-02-11 13:10:53 +0100
commit1751060e2527462714359573a39dca10451ffbf8 (patch)
treeb0b07336c5f17d355e20c3c94c1ccee6a65bcd85 /kernel/locking/rwsem.h
parent810507fe6fd5ff3de429121adff49523fabb643a (diff)
locking/percpu-rwsem, lockdep: Make percpu-rwsem use its own lockdep_map
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
Diffstat (limited to 'kernel/locking/rwsem.h')
-rw-r--r--kernel/locking/rwsem.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/locking/rwsem.h b/kernel/locking/rwsem.h
index 2534ce49f648..d0d33a59622d 100644
--- a/kernel/locking/rwsem.h
+++ b/kernel/locking/rwsem.h
@@ -6,5 +6,7 @@
extern void __down_read(struct rw_semaphore *sem);
extern void __up_read(struct rw_semaphore *sem);
+extern void __down_write(struct rw_semaphore *sem);
+extern void __up_write(struct rw_semaphore *sem);
#endif /* __INTERNAL_RWSEM_H */