From: luca abeni <luca.abeni@santannapisa.it>

Make rt_runtime_us and rt_period_us virtual files accessible also to the cgroup
v2 controller, effectively enabling the RT_GROUP_SCHED mechanism to cgroups v2.

Signed-off-by: luca abeni <luca.abeni@santannapisa.it>
---
 kernel/sched/core.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index e90b3608a..cad2963a2 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -10134,6 +10134,18 @@ static struct cftype cpu_files[] = {
 		.seq_show = cpu_uclamp_max_show,
 		.write = cpu_uclamp_max_write,
 	},
+#endif
+#ifdef CONFIG_RT_GROUP_SCHED
+	{
+		.name = "rt_runtime_us",
+		.read_s64 = cpu_rt_runtime_read,
+		.write_s64 = cpu_rt_runtime_write,
+	},
+	{
+		.name = "rt_period_us",
+		.read_u64 = cpu_rt_period_read_uint,
+		.write_u64 = cpu_rt_period_write_uint,
+	},
 #endif
 	{ }	/* terminate */
 };
-- 
2.49.0