Commit 98521580 authored by Michal Koutný's avatar Michal Koutný Committed by Peter Zijlstra
Browse files

sched/rt: Cleanup global RT bandwidth functions 



The commit 5f6bd380 ("sched/rt: Remove default bandwidth control")
and followup changes made a few of the functions unnecessary, drop them
for simplicity.

Signed-off-by: default avatarMichal Koutný <mkoutny@suse.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260323-sched-rert_groups-v3-3-1e7d5ed6b249@suse.com
parent 4f70a045

kernel/sched/rt.c

+0 −24
Original line number Diff line number Diff line
@@ -2829,13 +2829,6 @@ long sched_group_rt_period(struct task_group *tg) 
	return rt_period_us;

}



#ifdef CONFIG_SYSCTL

static int sched_rt_global_constraints(void)

{

	return 0;

}

#endif /* CONFIG_SYSCTL */



int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk)

{

	/* Don't accept real-time tasks when there is no way for them to run */
@@ -2845,14 +2838,6 @@ int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk) 
	return 1;

}



#else /* !CONFIG_RT_GROUP_SCHED: */



#ifdef CONFIG_SYSCTL

static int sched_rt_global_constraints(void)

{

	return 0;

}

#endif /* CONFIG_SYSCTL */

#endif /* !CONFIG_RT_GROUP_SCHED */



#ifdef CONFIG_SYSCTL
@@ -2874,10 +2859,6 @@ static int sched_rt_global_validate(void) 
	return 0;

}



static void sched_rt_do_global(void)

{

}



static int sched_rt_handler(const struct ctl_table *table, int write, void *buffer,

		size_t *lenp, loff_t *ppos)

{
@@ -2901,11 +2882,6 @@ static int sched_rt_handler(const struct ctl_table *table, int write, void *buff 
		if (ret)

			goto undo;



		ret = sched_rt_global_constraints();

		if (ret)

			goto undo;



		sched_rt_do_global();

		sched_dl_do_global();

	}

	if (0) {