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Subject: Re: [PATCH 1/1] io_uring: fix delayed mm check
To:     Pavel Begunkov <asml.silence@gmail.com>, io-uring@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <5c7db203bb5aa23c22f16925ac00d50bdbe406e0.1581012158.git.asml.silence@gmail.com>
From:   Jens Axboe <axboe@kernel.dk>
Message-ID: <8dbd13cd-6e93-b765-ade2-27ba91d8c30d@kernel.dk>
Date:   Thu, 6 Feb 2020 12:52:17 -0700
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On 2/6/20 11:16 AM, Pavel Begunkov wrote:
> Fail fast if can't grab mm, so past that requests always have an mm
> when required. This fixes not checking mm fault for
> IORING_OP_{READ,WRITE}, as well allows to remove req->has_user
> altogether.

Looks fine, except that first hunk that I can just delete.

-- 
Jens Axboe