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

From: Maulik Shah
Date: Thu Nov 25 2021 - 03:57:27 EST


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@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Maulik Shah <quic_mkshah@xxxxxxxxxxx>
---
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