linux-kernel - Re: [RFC PATCH v2 00/13] Add futex2 syscall

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Message-ID: <CAEnbY+e0=4B4SwgspdhYePg7gdMdKj=Xgu=8k0zVKX-SKfy24A@mail.gmail.com>
Date:   Sun, 7 Mar 2021 22:56:51 +1100
From:   Daurnimator <quae@...rnimator.com>
To:     Stefan Metzmacher <metze@...ba.org>
Cc:     André Almeida <andrealmeid@...labora.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Darren Hart <dvhart@...radead.org>,
        linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        kernel@...labora.com, krisman@...labora.com,
        pgriffais@...vesoftware.com, z.figura12@...il.com,
        joel@...lfernandes.org, malteskarupke@...tmail.fm,
        linux-api@...r.kernel.org, Florian Weimer <fweimer@...hat.com>,
        GNU C Library <libc-alpha@...rceware.org>,
        linux-kselftest@...r.kernel.org, shuah@...nel.org,
        Arnaldo Carvalho de Melo <acme@...nel.org>, corbet@....net,
        io-uring <io-uring@...r.kernel.org>
Subject: Re: [RFC PATCH v2 00/13] Add futex2 syscall

On Sun, 7 Mar 2021 at 22:35, Stefan Metzmacher <metze@...ba.org> wrote:
> Instead of having a blocked futex_waitv() waiting on an fd (maybe a generic eventfd() or a new futex2fd())
> would be a better interface?

Like bring back FUTEX_FD? (which was removed back in 2.6.25)