[PATCH v2 10/10] sched: Add deprecation warning for users of RT_GROUP_SCHED

From: Michal Koutný
Date: Mon Mar 10 2025 - 13:07:02 EST


Signed-off-by: Michal Koutný <mkoutny@xxxxxxxx>
---
kernel/sched/core.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 4b2d9ec0c1f23..6866355046d21 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -9748,6 +9748,7 @@ static int cpu_cfs_local_stat_show(struct seq_file *sf, void *v)
static int cpu_rt_runtime_write(struct cgroup_subsys_state *css,
struct cftype *cft, s64 val)
{
+ pr_warn_once("RT_GROUP throttling is deprecated, use global sched_rt_runtime_us and deadline tasks.\n");
return sched_group_set_rt_runtime(css_tg(css), val);
}

--
2.48.1