Re: [PATCH v2 1/1] Add a new sysctl to disable io_uring system-wide

[Bart Van Assche]

On 6/29/23 08:28, Matteo Rizzo wrote:
> On Thu, 29 Jun 2023 at 17:16, Bart Van Assche <bvanassche@xxxxxxx> wrote:
> > On 6/29/23 06:27, Matteo Rizzo wrote:
> > > +static int __read_mostly sysctl_io_uring_disabled;
> >
> > Shouldn't this be a static key instead of an int in order to minimize the
> > performance impact on the io_uring_setup() system call? See also
> > Documentation/staging/static-keys.rst.
> Is io_uring_setup in any hot path? io_uring_create is marked as __cold.

I confused io_uring_setup() with io_uring_enter() so please ignore my comment.

Bart.