linux-kernel - Re: [PATCH 2/2] locking/rwbase_rt: Lockless reader waking up a writer

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Message-ID: <266c7b13b614e45b5d01747b1ac70eb1@suse.de>
Date:   Thu, 16 Sep 2021 10:27:37 -0700
From:   Davidlohr Bueso <dbueso@...e.de>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Davidlohr Bueso <dave@...olabs.net>, peterz@...radead.org,
        mingo@...nel.org, rostedt@...dmis.org, longman@...hat.com,
        boqun.feng@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] locking/rwbase_rt: Lockless reader waking up a writer

On 2021-09-16 10:02, Sebastian Andrzej Siewior wrote:
> On 2021-09-14 12:42:41 [+0200], Thomas Gleixner wrote:
>> Something like the untested below should work.
> 
> works.

Works for me too. Also survived an overnight round of mmap_sem pounding 
on v5.14-rt.

Thanks,
Davidlohr