linux-kernel - [PATCH] tick/nohz: remove unused tick_nohz_idle_stop_tick

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Message-Id: <20230813131153.807850-1-xueshi.hu@smartx.com>
Date:   Sun, 13 Aug 2023 21:11:53 +0800
From:   Xueshi Hu <xueshi.hu@...rtx.com>
To:     frederic@...nel.org, tglx@...utronix.de, mingo@...nel.org
Cc:     linux-kernel@...r.kernel.org, Xueshi Hu <xueshi.hu@...rtx.com>
Subject: [PATCH] tick/nohz: remove unused tick_nohz_idle_stop_tick_protected()

All the caller has been removed since commit 336f560a8917 ("x86/xen: don't
let xen_pv_play_dead() return")

Signed-off-by: Xueshi Hu <xueshi.hu@...rtx.com>
---
 include/linux/tick.h | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 9459fef5b857..716d17f31c45 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -140,14 +140,6 @@ extern unsigned long tick_nohz_get_idle_calls(void);
 extern unsigned long tick_nohz_get_idle_calls_cpu(int cpu);
 extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
 extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time);
-
-static inline void tick_nohz_idle_stop_tick_protected(void)
-{
-	local_irq_disable();
-	tick_nohz_idle_stop_tick();
-	local_irq_enable();
-}
-
 #else /* !CONFIG_NO_HZ_COMMON */
 #define tick_nohz_enabled (0)
 static inline int tick_nohz_tick_stopped(void) { return 0; }
@@ -170,8 +162,6 @@ static inline ktime_t tick_nohz_get_sleep_length(ktime_t *delta_next)
 }
 static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; }
 static inline u64 get_cpu_iowait_time_us(int cpu, u64 *unused) { return -1; }
-
-static inline void tick_nohz_idle_stop_tick_protected(void) { }
 #endif /* !CONFIG_NO_HZ_COMMON */
 
 #ifdef CONFIG_NO_HZ_FULL
-- 
2.40.1