Patch 1 is just a simple cleanup patch. Patches 2 and 3 applies the same
consistent rules to optionally wake up waiters in reader & writers
slowpaths as well as in the out_nolock paths.

Waiman Long (3):
  locking/rwsem: No need to check for handoff bit if wait queue empty
  locking/rwsem: Conditionally wake waiters in reader/writer slowpaths
  locking/rwsem: Always try to wake waiters in out_nolock path

 kernel/locking/rwsem.c | 121 ++++++++++++++++++++++++-----------------
 1 file changed, 70 insertions(+), 51 deletions(-)

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2.27.0