Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Davidlohr Bueso <dave@stgolabs.net>
To:     tglx@linutronix.de
Cc:     peterz@infradead.org, mingo@kernel.org, rostedt@goodmis.org,
        longman@redhat.com, bigeasy@linutronix.de, boqun.feng@gmail.com,
        dave@stgolabs.net, linux-kernel@vger.kernel.org
Subject: [PATCH -tip 0/2] locking/rwbase: Two reader optimizations
Date:   Sun, 19 Sep 2021 22:20:29 -0700
Message-Id: <20210920052031.54220-1-dave@stgolabs.net>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

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(-)

--
2.26.2