linux-kernel - [PATCH 10/10] sched: Fix build error in "sched/rt: Remove default bandwidth control"

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Date: Fri, 16 Feb 2024 13:31:08 -0500
From: "Joel Fernandes (Google)" <joel@...lfernandes.org>
To: linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ben Segall <bsegall@...gle.com>,
	Mel Gorman <mgorman@...e.de>,
	Daniel Bristot de Oliveira <bristot@...hat.com>,
	Valentin Schneider <vschneid@...hat.com>
Cc: Suleiman Souhlal <suleiman@...gle.com>,
	Youssef Esmat <youssefesmat@...gle.com>,
	David Vernet <void@...ifault.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E . McKenney" <paulmck@...nel.org>,
	joseph.salisbury@...onical.com,
	Luca Abeni <luca.abeni@...tannapisa.it>,
	Tommaso Cucinotta <tommaso.cucinotta@...tannapisa.it>,
	Vineeth Pillai <vineeth@...byteword.org>,
	Shuah Khan <skhan@...uxfoundation.org>,
	Phil Auld <pauld@...hat.com>,
	"Joel Fernandes (Google)" <joel@...lfernandes.org>
Subject: [PATCH 10/10] sched: Fix build error in "sched/rt: Remove default bandwidth control"

This fixes a build error introduced by  "sched/rt: Remove default
bandwidth control". The issue happens because a function is unused
when !CONFIG_SMP. It could be squashed into the original patch.

Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
---
 kernel/sched/rt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 37bee56a70f7..d3065fe35c61 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -964,8 +964,10 @@ struct rt_rq *sched_rt_period_rt_rq(struct rt_bandwidth *rt_b, int cpu)
 	return &cpu_rq(cpu)->rt;
 }
 
+#ifdef CONFIG_SMP
 static void __enable_runtime(struct rq *rq) { }
 static void __disable_runtime(struct rq *rq) { }
+#endif
 
 #endif /* CONFIG_RT_GROUP_SCHED */
 
-- 
2.34.1