From bc13a2bc9ca76be4215077f45df753a7851329f3 Mon Sep 17 00:00:00 2001
From: zhangwei123171 <zhangwei123171@jd.com>
Date: Mon, 7 Aug 2023 14:15:44 +0800
Subject: [PATCH] sched/fair: remove cpu.qos_leve from root cpu cgroup

jingdong inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7R399

-----------------------------------------------------

/sys/fs/cgroup/cpu/cpu.qos_level is not needed, and easy
to cause misunderstanding.

Signed-off-by: zhangwei123171 <zhangwei123171@jd.com>
Reviewed-by: zhaoxiaoqiang11 <zhaoxiaoqiang11@jd.com>
---
 kernel/sched/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 71c69c8161ff..671cfcd38169 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -9666,6 +9666,7 @@ static struct cftype cpu_legacy_files[] = {
 #ifdef CONFIG_QOS_SCHED
 	{
 		.name = "qos_level",
+		.flags = CFTYPE_NOT_ON_ROOT,
 		.read_s64 = cpu_qos_read,
 		.write_s64 = cpu_qos_write,
 	},
-- 
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