linux-kernel - [PATCH 1/4] tick/sched: Export symbols used by cpuidle governors

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Message-ID: <1637830481-21709-2-git-send-email-quic_mkshah@quicinc.com>
Date:   Thu, 25 Nov 2021 14:24:38 +0530
From:   Maulik Shah <quic_mkshah@...cinc.com>
To:     <bjorn.andersson@...aro.org>, <rafael@...nel.org>,
        <daniel.lezcano@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <ulf.hansson@...aro.org>,
        <quic_lsrao@...cinc.com>, <rnayak@...eaurora.org>,
        Maulik Shah <quic_mkshah@...cinc.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 1/4] tick/sched: Export symbols used by cpuidle governors

Export symbols that are used by cpuidle menu, ladder and teo governors
in preparation to allow cpuidle governors to be compiled as modules.

Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Maulik Shah <quic_mkshah@...cinc.com>
---
 kernel/time/tick-sched.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 6bffe5af..7cc6619 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -573,6 +573,8 @@ void __init tick_nohz_init(void)
  * NO HZ enabled ?
  */
 bool tick_nohz_enabled __read_mostly  = true;
+EXPORT_SYMBOL(tick_nohz_enabled);
+
 unsigned long tick_nohz_active  __read_mostly;
 /*
  * Enable / Disable tickless mode
@@ -590,6 +592,7 @@ bool tick_nohz_tick_stopped(void)
 
 	return ts->tick_stopped;
 }
+EXPORT_SYMBOL(tick_nohz_tick_stopped);
 
 bool tick_nohz_tick_stopped_cpu(int cpu)
 {
@@ -1147,6 +1150,7 @@ bool tick_nohz_idle_got_tick(void)
 	}
 	return false;
 }
+EXPORT_SYMBOL(tick_nohz_idle_got_tick);
 
 /**
  * tick_nohz_get_next_hrtimer - return the next expiration time for the hrtimer
@@ -1202,6 +1206,7 @@ ktime_t tick_nohz_get_sleep_length(ktime_t *delta_next)
 
 	return ktime_sub(next_event, now);
 }
+EXPORT_SYMBOL(tick_nohz_get_sleep_length);
 
 /**
  * tick_nohz_get_idle_calls_cpu - return the current idle calls counter value
-- 
2.7.4