linux-kernel - Re: [RFC] locking/rwsem: Avoid issuing wakeup before setting the reader waiter to nil

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Message-ID: <CAONzpcbvyvXdUEL6Mc8_kN_Z_=jYiRCzDScSWH07+MOtbgxdKQ@mail.gmail.com>
Date:   Mon, 17 Dec 2018 21:12:44 +0800
From:   Yongji Xie <elohimes@...il.com>
To:     peterz@...radead.org
Cc:     dave@...olabs.net, mingo@...hat.com, will.deacon@....com,
        linux-kernel@...r.kernel.org, Xie Yongji <xieyongji@...du.com>,
        zhangyu31@...du.com, liuqi16@...du.com, yuanlinsi01@...du.com,
        nixun@...du.com, lilin24@...du.com, longman@...hat.com,
        andrea.parri@...rulasolutions.com
Subject: Re: [RFC] locking/rwsem: Avoid issuing wakeup before setting the
 reader waiter to nil

On Mon, 17 Dec 2018 at 19:37, Peter Zijlstra <peterz@...radead.org> wrote:
>
> On Mon, Dec 10, 2018 at 11:12:52PM +0800, Yongji Xie wrote:
> > Hi Peter,
> >
> > Please let me know If there is any progress on this issue. Thank you!
>
> Right, sorry, my brain was filled with snot and didn't want to make
> sense of things.
>
> I've put some patches here:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/core
>
> Could you have a look?

That looks good to me. Thank you!

Thanks,
Yongji