linux-kernel - Re: [PATCH 0/4] io-wq/io_uring locking optimisation

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Message-ID: <9aeadaac-b225-7988-cd43-d0db565961e6@kernel.dk>
Date:   Wed, 4 Mar 2020 11:48:02 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Pavel Begunkov <asml.silence@...il.com>, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] io-wq/io_uring locking optimisation

On 3/4/20 6:14 AM, Pavel Begunkov wrote:
> [1-3] are shedding excessive locking of @wqe's and @worker's spinlocks
> from io_worker_handle_work().
> 
> [4] removes an extra pair of refcount get/put by making former io_put_work()
> to own the submission reference. It also changes io-wq get/put API
> and renames io_put_work() into io_free_work() to reflect it.

LGTM, and tests out fine so far - applied, thanks.

-- 
Jens Axboe