linux-kernel - [PATCH v2 07/11] RFC cgroup/cpuset-v1: Add deprecation messages to sched_relax_domain

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Message-ID: <20250311123640.530377-8-mkoutny@suse.com>
Date: Tue, 11 Mar 2025 13:36:24 +0100
From: Michal Koutný <mkoutny@...e.com>
To: cgroups@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Michal Koutný <mkoutny@...e.com>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Waiman Long <longman@...hat.com>,
	Tejun Heo <tj@...nel.org>,
	Johannes Weiner <hannes@...xchg.org>
Subject: [PATCH v2 07/11] RFC cgroup/cpuset-v1: Add deprecation messages to sched_relax_domain_level

This is not a properly hierarchical resource, it might be better
implemented based on a sched_attr.

Cc: Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
Signed-off-by: Michal Koutný <mkoutny@...e.com>
---
 kernel/cgroup/cpuset-v1.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/cgroup/cpuset-v1.c b/kernel/cgroup/cpuset-v1.c
index 7c37fabcf0ba8..5516df307d520 100644
--- a/kernel/cgroup/cpuset-v1.c
+++ b/kernel/cgroup/cpuset-v1.c
@@ -175,6 +175,7 @@ static int cpuset_write_s64(struct cgroup_subsys_state *css, struct cftype *cft,
 
 	switch (type) {
 	case FILE_SCHED_RELAX_DOMAIN_LEVEL:
+		pr_info_once("cpuset.%s is deprecated\n", cft->name);
 		retval = update_relax_domain_level(cs, val);
 		break;
 	default:
-- 
2.48.1