linux-kernel - [PATCH] sched/cputime: arch_vtime_task_switch() should be declared for CONFIG_VIRT_CPU_ACCOUNTING

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Date: Fri, 12 Apr 2024 10:30:12 +0800
From: Changbin Du <changbin.du@...wei.com>
To: Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>, Vincent Guittot
	<vincent.guittot@...aro.org>
CC: 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>, <linux-kernel@...r.kernel.org>, Changbin Du
	<changbin.du@...wei.com>
Subject: [PATCH] sched/cputime: arch_vtime_task_switch() should be declared for CONFIG_VIRT_CPU_ACCOUNTING_NATIVE

The arch_vtime_task_switch() is only used by the native vtime accounting
code not the generic one.

Signed-off-by: Changbin Du <changbin.du@...wei.com>
---
 include/linux/vtime.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/vtime.h b/include/linux/vtime.h
index 005d0870e41b..9f0bad8d8617 100644
--- a/include/linux/vtime.h
+++ b/include/linux/vtime.h
@@ -10,7 +10,6 @@
 #endif
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
-extern void arch_vtime_task_switch(struct task_struct *tsk);
 extern void vtime_user_enter(struct task_struct *tsk);
 extern void vtime_user_exit(struct task_struct *tsk);
 extern void vtime_guest_enter(struct task_struct *tsk);
@@ -25,6 +24,7 @@ static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { }
 #endif
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+extern void arch_vtime_task_switch(struct task_struct *tsk);
 extern void vtime_account_irq(struct task_struct *tsk, unsigned int offset);
 extern void vtime_account_softirq(struct task_struct *tsk);
 extern void vtime_account_hardirq(struct task_struct *tsk);
-- 
2.34.1