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

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On Wed, 28 Jun 2023 at 13:44, Ricardo Ribalda <ribalda@xxxxxxxxxxxx> wrote:
>
> Have you considered that the new sysctl is "sticky like kexec_load_disabled.
> When the user disables it there is no way to turn it back on until the
> system is rebooted.

Are you suggesting making this sysctl sticky? Are there any examples of how to
implement a sticky sysctl that can take more than 2 values in case we want to
add an intermediate level that still allows privileged processes to use
io_uring? Also, what would be the use case? Preventing privileged processes
from re-enabling io_uring?

Thanks!
--
Matteo



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