linux-kernel - [PATCH 4/5] tick/nohz: remove unused tick_nohz_idle_stop_tick

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Message-Id: <20230912104406.312185-5-frederic@kernel.org>
Date:   Tue, 12 Sep 2023 12:44:05 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Xueshi Hu <xueshi.hu@...rtx.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Thomas Gleixner <tglx@...utronix.de>, vineethrp@...il.com
Subject: [PATCH 4/5] tick/nohz: remove unused tick_nohz_idle_stop_tick_protected()

From: Xueshi Hu <xueshi.hu@...rtx.com>

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>
Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
---
 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
-- 
2.34.1