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. > > Thanks, > > Bart. Is io_uring_setup in any hot path? io_uring_create is marked as __cold. -- Matteo