linux-kernel - Re: [PATCH v5] io_uring: add a sysctl to disable io

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Message-Id: <169392505265.592530.1699660694804027481.b4-ty@kernel.dk>
Date:   Tue, 05 Sep 2023 08:44:12 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     matteorizzo@...gle.com, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, io-uring@...r.kernel.org,
        asml.silence@...il.com, Jeff Moyer <jmoyer@...hat.com>
Cc:     corbet@....net, akpm@...ux-foundation.org, keescook@...omium.org,
        ribalda@...omium.org, rostedt@...dmis.org, jannh@...gle.com,
        chenhuacai@...nel.org, gpiccoli@...lia.com, ldufour@...ux.ibm.com,
        evn@...gle.com, poprdi@...gle.com, jordyzomer@...gle.com,
        krisman@...e.de, andres@...razel.de
Subject: Re: [PATCH v5] io_uring: add a sysctl to disable io_uring
 system-wide


On Mon, 21 Aug 2023 17:15:52 -0400, Jeff Moyer wrote:
> Introduce a new sysctl (io_uring_disabled) which can be either 0, 1, or
> 2. When 0 (the default), all processes are allowed to create io_uring
> instances, which is the current behavior.  When 1, io_uring creation is
> disabled (io_uring_setup() will fail with -EPERM) for unprivileged
> processes not in the kernel.io_uring_group group.  When 2, calls to
> io_uring_setup() fail with -EPERM regardless of privilege.
> 
> [...]

Applied, thanks!

[1/1] io_uring: add a sysctl to disable io_uring system-wide
      commit: 76d3ccecfa186af3120e206d62f03db1a94a535f

Best regards,
-- 
Jens Axboe