linux-kernel - [PATCH] hrtimer: Remove unused function

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Date: Fri, 22 Mar 2024 15:04:41 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: tglx@...utronix.de
Cc: linux-kernel@...r.kernel.org,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] hrtimer: Remove unused function

The function are defined in the hrtimer.c file, but not called
elsewhere, so delete the unused function.

kernel/time/hrtimer.c:1880:20: warning: unused function '__hrtimer_peek_ahead_timers'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8611
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 kernel/time/hrtimer.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 70625dff62ce..cae9d04b5584 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1875,25 +1875,7 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 	tick_program_event(expires_next, 1);
 	pr_warn_once("hrtimer: interrupt took %llu ns\n", ktime_to_ns(delta));
 }
-
-/* called with interrupts disabled */
-static inline void __hrtimer_peek_ahead_timers(void)
-{
-	struct tick_device *td;
-
-	if (!hrtimer_hres_active())
-		return;
-
-	td = this_cpu_ptr(&tick_cpu_device);
-	if (td && td->evtdev)
-		hrtimer_interrupt(td->evtdev);
-}
-
-#else /* CONFIG_HIGH_RES_TIMERS */
-
-static inline void __hrtimer_peek_ahead_timers(void) { }
-
-#endif	/* !CONFIG_HIGH_RES_TIMERS */
+#endif /* !CONFIG_HIGH_RES_TIMERS */
 
 /*
  * Called from run_local_timers in hardirq context every jiffy
-- 
2.20.1.7.g153144c