linux-kernel - [PATCH v2] sched/rt: remove empty sched_rt_do

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20260112074653.13604-1-zhanxusheng@xiaomi.com>
Date: Mon, 12 Jan 2026 15:46:53 +0800
From: Zhan Xusheng <zhanxusheng1024@...il.com>
To: peterz@...radead.org
Cc: mingo@...hat.com,
	juri.lelli@...hat.com,
	vincent.guittot@...aro.org,
	dietmar.eggemann@....com,
	rostedt@...dmis.org,
	bsegall@...gle.com,
	mgorman@...e.de,
	vschneid@...hat.com,
	kprateek.nayak@....com,
	linux-sched@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Zhan Xusheng <zhanxusheng@...omi.com>
Subject: [PATCH v2] sched/rt: remove empty sched_rt_do_global() helper

sched_rt_do_global() is an empty helper that has no effect on
RT bandwidth sysctl handling.

Historically, sched_rt_do_global() was responsible for managing
RT throttling parameters before the introduction of the fair
server. Since commit 5f6bd380c7bd ("sched/rt: Remove default
bandwidth control"), the function became obsolete, but the empty
helper and its call site were retained.

Remove the unused function and its call site to simplify the
sysctl update path.

No functional change intended.

Reviewed-and-tested-by: K Prateek Nayak <kprateek.nayak@....com>
Signed-off-by: Zhan Xusheng <zhanxusheng@...omi.com>
---
 kernel/sched/rt.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index f1867fe8e5c5..90f62de52f63 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2854,10 +2854,6 @@ 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)
 {
@@ -2885,7 +2881,6 @@ static int sched_rt_handler(const struct ctl_table *table, int write, void *buff
 		if (ret)
 			goto undo;
 
-		sched_rt_do_global();
 		sched_dl_do_global();
 	}
 	if (0) {
-- 
2.43.0