linux-kernel - Re: [PATCH] io_uring: Remove CONFIG

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Message-ID: <aa130828-03c9-b49b-ab31-1fb83a0349fb@kernel.dk>
Date:   Thu, 27 May 2021 07:43:13 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     "Justin M. Forbes" <jforbes@...oraproject.org>,
        asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] io_uring: Remove CONFIG_EXPERT

On 5/26/21 4:34 PM, Justin M. Forbes wrote:
> While IO_URING has been in fairly heavy development, it is hidden behind
> CONFIG_EXPERT with a default of on.  It has been long enough now that I
> think we should remove EXPERT and allow users and distros to decide how
> they want this config option set without jumping through hoops.

The whole point of EXPERT is to ensure that it doesn't get turned off
"by accident". It's a core feature, and something that more and more
apps or libraries are relying on. It's not something I intended to ever
go away, just like it would never go away for eg futex or epoll support.

-- 
Jens Axboe