linux-kernel - Re: [RFC PATCH v2 3/5] futex: Throughput-optimized (TO) futexes

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Message-ID: <20160922213921.GA30291@linux-80c1.suse>
Date:   Thu, 22 Sep 2016 14:39:21 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Waiman Long <waiman.long@....com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Mike Galbraith <umgwanakikbuti@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, Jason Low <jason.low2@....com>,
        Scott J Norton <scott.norton@....com>,
        Douglas Hatch <doug.hatch@....com>
Subject: Re: [RFC PATCH v2 3/5] futex: Throughput-optimized (TO) futexes

On Thu, 22 Sep 2016, Waiman Long wrote:

>BTW, my initial attempt for the new futex was to use the same workflow 
>as the PI futexes, but use mutex which has optimistic spinning instead 
>of rt_mutex.

Btw, Thomas, do you still have any interest pursuing this for rtmutexes from
-rt into mainline? If so I can resend the patches from a while ago.

Thanks,
Davidlohr