linux-kernel - Re: [PATCH 1/1] io_uring: fix refcounting with OOM

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Message-ID: <78a57f0e-2412-472a-86c2-5e634a74147f@kernel.dk>
Date:   Sat, 25 Jan 2020 09:46:42 -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 1/1] io_uring: fix refcounting with OOM

On 1/25/20 1:59 AM, Pavel Begunkov wrote:
> In case of out of memory the second argument of percpu_ref_put_many() in
> io_submit_sqes() may evaluate into "nr - (-EAGAIN)", that is clearly
> wrong.

Can you reorder this one before your series, I haven't had time
to take a look at that yet and I don't think this bug fix should
depend on it.

-- 
Jens Axboe