linux-kernel - [tip: timers/clocksource] time/sched_clock: Export symbol for sched_clock

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Message-ID: <175343951054.1420.9514413458124872985.tip-bot2@tip-bot2>
Date: Fri, 25 Jul 2025 10:31:50 -0000
From: "tip-bot2 for Daniel Lezcano" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>, Ingo Molnar <mingo@...nel.org>,
 Will McVicker <willmcvicker@...gle.com>, Thomas Gleixner <tglx@...utronix.de>,
 Carlos Llamas <cmllamas@...gle.com>, John Stultz <jstultz@...gle.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: timers/clocksource] time/sched_clock: Export symbol for
 sched_clock_register() function

The following commit has been merged into the timers/clocksource branch of tip:

Commit-ID:     84deaa77d5dbecdca1f6a12107080a2a2870dd52
Gitweb:        https://git.kernel.org/tip/84deaa77d5dbecdca1f6a12107080a2a2870dd52
Author:        Daniel Lezcano <daniel.lezcano@...aro.org>
AuthorDate:    Mon, 02 Jun 2025 17:18:51 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Fri, 25 Jul 2025 11:43:43 +02:00

time/sched_clock: Export symbol for sched_clock_register() function

Timer drivers could be converted into modules. The different
functions to register the clocksource or the clockevent are already
exporting their symbols for modules, but the sched_clock_register()
function is missing.

Export the symbol so the drivers using this function can be converted
into modules.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Reviewed-by: Will McVicker <willmcvicker@...gle.com>
Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Carlos Llamas <cmllamas@...gle.com>
Acked-by: John Stultz <jstultz@...gle.com>
Link: https://lore.kernel.org/r/20250602151853.1942521-8-daniel.lezcano@linaro.org
---
 kernel/time/sched_clock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index cc15fe2..cc1afec 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -174,8 +174,7 @@ static enum hrtimer_restart sched_clock_poll(struct hrtimer *hrt)
 	return HRTIMER_RESTART;
 }
 
-void __init
-sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
+void sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
 {
 	u64 res, wrap, new_mask, new_epoch, cyc, ns;
 	u32 new_mult, new_shift;
@@ -247,6 +246,7 @@ sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
 
 	pr_debug("Registered %pS as sched_clock source\n", read);
 }
+EXPORT_SYMBOL_GPL(sched_clock_register);
 
 void __init generic_sched_clock_init(void)
 {