HI Matteo On Wed, 28 Jun 2023 at 17:12, Matteo Rizzo <matteorizzo@xxxxxxxxxx> wrote: > > 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? Yes, if this sysctl is accepted, I think it would make sense to make it sticky. For more than one value take a look to kexec_load_limit_reboot and kexec_load_limit_panic Thanks! > > Thanks! > -- > Matteo -- Ricardo Ribalda