Messages in this thread | | | Date | Thu, 29 Jun 2023 10:37:36 -0700 | Subject | Re: [PATCH v2 1/1] Add a new sysctl to disable io_uring system-wide | From | Bart Van Assche <> |
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On 6/29/23 08:28, Matteo Rizzo wrote: > 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. >> > 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.
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