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From: Waiman Long <longman@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
	Boqun Feng <boqun.feng@gmail.com>
Cc: linux-kernel@vger.kernel.org, Waiman Long <longman@redhat.com>
Subject: [PATCH v2 0/3] locking/rwsem: Miscellaneous cleanup and fix
Date: Tue, 22 Mar 2022 11:20:56 -0400	[thread overview]
Message-ID: <20220322152059.2182333-1-longman@redhat.com> (raw)

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(-)

-- 
2.27.0


             reply	other threads:[~2022-03-22 15:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-22 15:20 Waiman Long [this message]
2022-03-22 15:20 ` [PATCH v2 1/3] locking/rwsem: No need to check for handoff bit if wait queue empty Waiman Long
2022-04-05  8:36   ` [tip: locking/core] " tip-bot2 for Waiman Long
2022-03-22 15:20 ` [PATCH v2 2/3] locking/rwsem: Conditionally wake waiters in reader/writer slowpaths Waiman Long
2022-04-05  8:36   ` [tip: locking/core] " tip-bot2 for Waiman Long
2022-03-22 15:20 ` [PATCH v2 3/3] locking/rwsem: Always try to wake waiters in out_nolock path Waiman Long
2022-04-05  8:36   ` [tip: locking/core] " tip-bot2 for Waiman Long

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