[PATCH -tip 0/2] locking/rwbase: Two reader optimizations

[Davidlohr Bueso]

Hi,

Patch 1 is a barrier optimization that came up from the reader
fastpath ordering auditing.

Patch 2 is a resend of the previous broken patch that attempts
to use wake_q for read_unlock() slowpath.

Tested on v5.15.y-rt. Applies against tip/urgent.

Thanks!

Davidlohr Bueso (2):
  locking/rwbase: Optimize rwbase_read_trylock
  locking/rwbase: Lockless reader waking up a writer

 kernel/locking/rtmutex.c   | 19 +++++++++++++------
 kernel/locking/rwbase_rt.c | 11 +++++++----
 2 files changed, 20 insertions(+), 10 deletions(-)

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2.26.2