Re: [PATCH v3 1/1] io_uring: add a sysctl to disable io_uring system-wide

[Jann Horn]

On Fri, Jun 30, 2023 at 5:10 PM Matteo Rizzo <matteorizzo@xxxxxxxxxx> 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, all calls to
> io_uring_setup fail with -EPERM unless the calling process has
> CAP_SYS_ADMIN. When 2, calls to io_uring_setup fail with -EPERM
> regardless of privilege.
>
> Signed-off-by: Matteo Rizzo <matteorizzo@xxxxxxxxxx>
> Reviewed-by: Jeff Moyer <jmoyer@xxxxxxxxxx>
> Reviewed-by: Gabriel Krisman Bertazi <krisman@xxxxxxx>

Reviewed-by: Jann Horn <jannh@xxxxxxxxxx>