Messages in this thread | | | From | Matteo Rizzo <> | Date | Thu, 29 Jun 2023 17:28:47 +0200 | Subject | Re: [PATCH v2 1/1] Add a new sysctl to disable io_uring system-wide |
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On Thu, 29 Jun 2023 at 17:16, Bart Van Assche <bvanassche@acm.org> 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
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