linux-kernel - Re: [PATCH 1/1] io_uring: fix delayed mm check

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Date:   Thu, 6 Feb 2020 12:52:17 -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 delayed mm check

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