From: Thomas Gleixner <tglx@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: John Stultz <jstultz@google.com>, Stephen Boyd <sboyd@kernel.org>,
Calvin Owens <calvin@wbinvd.org>,
Anna-Maria Behnsen <anna-maria@linutronix.de>,
Frederic Weisbecker <frederic@kernel.org>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
linux-fsdevel@vger.kernel.org, Sebastian Reichel <sre@kernel.org>,
linux-pm@vger.kernel.org, Pablo Neira Ayuso <pablo@netfilter.org>,
Florian Westphal <fw@strlen.de>, Phil Sutter <phil@nwl.cc>,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org
Subject: [patch V2 11/11] alarmtimer: Remove unused interfaces
Date: Wed, 08 Apr 2026 13:54:33 +0200 [thread overview]
Message-ID: <20260408114952.670899355@kernel.org> (raw)
In-Reply-To: 20260408102356.783133335@kernel.org
All alarmtimer users are converted to alarm_start_timer(). Remove the now
unused interfaces.
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Cc: John Stultz <jstultz@google.com>
Cc: Stephen Boyd <sboyd@kernel.org>
---
include/linux/alarmtimer.h | 3 ---
kernel/time/alarmtimer.c | 44 --------------------------------------------
2 files changed, 47 deletions(-)
--- a/include/linux/alarmtimer.h
+++ b/include/linux/alarmtimer.h
@@ -50,9 +50,6 @@ static __always_inline ktime_t alarm_get
void alarm_init(struct alarm *alarm, enum alarmtimer_type type,
void (*function)(struct alarm *, ktime_t));
bool alarm_start_timer(struct alarm *alarm, ktime_t expires, bool relative);
-void alarm_start(struct alarm *alarm, ktime_t start);
-void alarm_start_relative(struct alarm *alarm, ktime_t start);
-void alarm_restart(struct alarm *alarm);
int alarm_try_to_cancel(struct alarm *alarm);
int alarm_cancel(struct alarm *alarm);
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -333,39 +333,6 @@ void alarm_init(struct alarm *alarm, enu
EXPORT_SYMBOL_GPL(alarm_init);
/**
- * alarm_start - Sets an absolute alarm to fire
- * @alarm: ptr to alarm to set
- * @start: time to run the alarm
- */
-void alarm_start(struct alarm *alarm, ktime_t start)
-{
- struct alarm_base *base = &alarm_bases[alarm->type];
-
- scoped_guard(spinlock_irqsave, &base->lock) {
- alarm->node.expires = start;
- alarmtimer_enqueue(base, alarm);
- hrtimer_start(&alarm->timer, alarm->node.expires, HRTIMER_MODE_ABS);
- }
-
- trace_alarmtimer_start(alarm, base->get_ktime());
-}
-EXPORT_SYMBOL_GPL(alarm_start);
-
-/**
- * alarm_start_relative - Sets a relative alarm to fire
- * @alarm: ptr to alarm to set
- * @start: time relative to now to run the alarm
- */
-void alarm_start_relative(struct alarm *alarm, ktime_t start)
-{
- struct alarm_base *base = &alarm_bases[alarm->type];
-
- start = ktime_add_safe(start, base->get_ktime());
- alarm_start(alarm, start);
-}
-EXPORT_SYMBOL_GPL(alarm_start_relative);
-
-/**
* alarm_start_timer - Sets an alarm to fire
* @alarm: Pointer to alarm to set
* @expires: Expiry time
@@ -393,17 +360,6 @@ bool alarm_start_timer(struct alarm *ala
}
EXPORT_SYMBOL_GPL(alarm_start_timer);
-void alarm_restart(struct alarm *alarm)
-{
- struct alarm_base *base = &alarm_bases[alarm->type];
-
- guard(spinlock_irqsave)(&base->lock);
- hrtimer_set_expires(&alarm->timer, alarm->node.expires);
- hrtimer_restart(&alarm->timer);
- alarmtimer_enqueue(base, alarm);
-}
-EXPORT_SYMBOL_GPL(alarm_restart);
-
/**
* alarm_try_to_cancel - Tries to cancel an alarm timer
* @alarm: ptr to alarm to be canceled
prev parent reply other threads:[~2026-04-08 11:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-08 11:53 [patch V2 00/11] hrtimers: Prevent hrtimer interrupt starvation Thomas Gleixner
2026-04-08 11:53 ` [patch V2 01/11] hrtimer: Provide hrtimer_start_range_ns_user() Thomas Gleixner
2026-04-08 16:53 ` Frederic Weisbecker
2026-04-08 11:53 ` [patch V2 02/11] hrtimer: Use hrtimer_start_expires_user() for hrtimer sleepers Thomas Gleixner
2026-04-08 11:53 ` [patch V2 03/11] posix-timers: Expand timer_[re]arm() callbacks with a boolean return value Thomas Gleixner
2026-04-08 11:54 ` [patch V2 04/11] posix-timers: Handle the timer_[re]arm() " Thomas Gleixner
2026-04-08 11:54 ` [patch V2 05/11] posix-timers: Switch to hrtimer_start_expires_user() Thomas Gleixner
2026-04-08 11:54 ` [patch V2 06/11] alarmtimer: Provide alarm_start_timer() Thomas Gleixner
2026-04-08 11:54 ` [patch V2 07/11] alarmtimer: Convert posix timer functions to alarm_start_timer() Thomas Gleixner
2026-04-08 11:54 ` [patch V2 08/11] fs/timerfd: Use the new alarm/hrtimer functions Thomas Gleixner
2026-04-08 11:54 ` [patch V2 09/11] power: supply: charger-manager: Switch to alarm_start_timer() Thomas Gleixner
2026-04-08 11:54 ` [patch V2 10/11] netfilter: xt_IDLETIMER: " Thomas Gleixner
2026-04-08 11:54 ` Thomas Gleixner [this message]
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