Re: [PATCH] sched/rt: Remove empty sched_rt_do_global() helper

[K Prateek Nayak]

(+Steve)

Hello Zhan,

On 2/11/2026 12:41 PM, Zhan Xusheng wrote:
> sched_rt_do_global() is an empty helper that has no effect on
> RT bandwidth sysctl handling.
> 
> Historically, sched_rt_do_global() was responsible for managing
> RT throttling parameters before the introduction of the fair
> server. Since commit 5f6bd380c7bd ("sched/rt: Remove default
> bandwidth control"), the function became obsolete, but the empty
> helper and its call site were retained.
> 
> Remove the unused function and its call site to simplify the
> sysctl update path.
> 
> No functional change intended.
> 
> Reviewed-by: K Prateek Nayak <kprateek.nayak@xxxxxxx>
> Signed-off-by: Zhan Xusheng <zhanxusheng@xxxxxxxxxx>

I believe there is another competing cleanup by Michal at
https://lore.kernel.org/lkml/20260119-sched-rert_groups-v1-0-80c1e5269910@xxxxxxxx/
which is doing a little bit more.

I'll leave it to Peter / Steve to pick which one they prefer.

-- 
Thanks and Regards,
Prateek