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Date: Wed, 20 Dec 2023 15:59:08 -0000
From: "tip-bot2 for Anna-Maria Behnsen" <tip-bot2@linutronix.de>
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Subject: [tip: timers/core] timers: Move store of next event into
 __next_timer_interrupt()
Cc: "Anna-Maria Behnsen" <anna-maria@linutronix.de>,
 Thomas Gleixner <tglx@linutronix.de>,
 Frederic Weisbecker <frederic@kernel.org>, x86@kernel.org,
 linux-kernel@vger.kernel.org
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The following commit has been merged into the timers/core branch of tip:

Commit-ID:     b5e6f59888c7bde3c05f61b3ce06b78a86713fc0
Gitweb:        https://git.kernel.org/tip/b5e6f59888c7bde3c05f61b3ce06b78a86713fc0
Author:        Anna-Maria Behnsen <anna-maria@linutronix.de>
AuthorDate:    Fri, 01 Dec 2023 10:26:29 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Wed, 20 Dec 2023 16:49:38 +01:00

timers: Move store of next event into __next_timer_interrupt()

Both call sites of __next_timer_interrupt() store the return value directly
in base->next_expiry. Move the store into __next_timer_interrupt() and to
make its purpose more clear, rename the function to next_expiry_recalc().

No functional change.

Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20231201092654.34614-8-anna-maria@linutronix.de

---
 kernel/time/timer.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 9188205..490ff8e 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1800,8 +1800,10 @@ static int next_pending_bucket(struct timer_base *base, unsigned offset,
 /*
  * Search the first expiring timer in the various clock levels. Caller must
  * hold base->lock.
+ *
+ * Store next expiry time in base->next_expiry.
  */
-static unsigned long __next_timer_interrupt(struct timer_base *base)
+static void next_expiry_recalc(struct timer_base *base)
 {
 	unsigned long clk, next, adj;
 	unsigned lvl, offset = 0;
@@ -1867,10 +1869,9 @@ static unsigned long __next_timer_interrupt(struct timer_base *base)
 		clk += adj;
 	}
 
+	base->next_expiry = next;
 	base->next_expiry_recalc = false;
 	base->timers_pending = !(next == base->clk + NEXT_TIMER_MAX_DELTA);
-
-	return next;
 }
 
 #ifdef CONFIG_NO_HZ_COMMON
@@ -1930,7 +1931,7 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem)
 
 	raw_spin_lock(&base->lock);
 	if (base->next_expiry_recalc)
-		base->next_expiry = __next_timer_interrupt(base);
+		next_expiry_recalc(base);
 	nextevt = base->next_expiry;
 
 	/*
@@ -2021,7 +2022,7 @@ static inline void __run_timers(struct timer_base *base)
 		WARN_ON_ONCE(!levels && !base->next_expiry_recalc
 			     && base->timers_pending);
 		base->clk++;
-		base->next_expiry = __next_timer_interrupt(base);
+		next_expiry_recalc(base);
 
 		while (levels--)
 			expire_timers(base, heads + levels);