linux-kernel - Re: [PATCHSET v6] Add io_uring futex/futexv support

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Date:   Fri, 29 Sep 2023 03:11:25 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     io-uring@...r.kernel.org, linux-kernel@...r.kernel.org,
        andres@...razel.de, tglx@...utronix.de
Subject: Re: [PATCHSET v6] Add io_uring futex/futexv support

On 9/29/23 1:53 AM, Peter Zijlstra wrote:
> On Thu, Sep 28, 2023 at 11:25:09AM -0600, Jens Axboe wrote:
> 
>>  include/linux/io_uring_types.h |   5 +
>>  include/uapi/linux/io_uring.h  |   4 +
>>  io_uring/Makefile              |   1 +
>>  io_uring/cancel.c              |   5 +
>>  io_uring/cancel.h              |   4 +
>>  io_uring/futex.c               | 386 +++++++++++++++++++++++++++++++++
>>  io_uring/futex.h               |  36 +++
>>  io_uring/io_uring.c            |   7 +
>>  io_uring/opdef.c               |  34 +++
>>  kernel/futex/futex.h           |  20 ++
>>  kernel/futex/requeue.c         |   3 +-
>>  kernel/futex/syscalls.c        |  18 +-
>>  kernel/futex/waitwake.c        |  49 +++--
>>  13 files changed, 545 insertions(+), 27 deletions(-)
> 
> Thanks for bearing with us on the futex2 thing!
> 
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Thanks Peter! Going with the futex2 interface was the right choice, the
old one was kinda wonky anyway. New one is definitely cleaner.

-- 
Jens Axboe