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

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Message-ID: <f85780cd-6d90-6cf3-2474-4f9998f5cbd5@redhat.com>
Date:   Mon, 7 Jan 2019 09:35:09 -0500
From:   Waiman Long <longman@...hat.com>
To:     peterz@...radead.org
Cc:     Yongji Xie <elohimes@...il.com>, 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,
        andrea.parri@...rulasolutions.com
Subject: Re: [RFC] locking/rwsem: Avoid issuing wakeup before setting the
 reader waiter to nil

On 12/17/2018 08:12 AM, Yongji Xie wrote:
> 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

Peter,

Are you planning to move the patch over to tip as the merge window has
just closed?

Cheers,
Longman