The following commit has been merged into the timers/core branch of tip: Commit-ID: 2634303f8773b0c602069887565cd412440be15d Gitweb: https://git.kernel.org/tip/2634303f8773b0c602069887565cd412440be15d Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Tue, 05 Nov 2024 09:14:58 +01:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Thu, 07 Nov 2024 02:14:46 +01:00 alarmtimers: Remove return value from alarm functions Now that the SIG_IGN problem is solved in the core code, the alarmtimer callbacks do not require a return value anymore. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Acked-by: Frederic Weisbecker <frederic@xxxxxxxxxx> Link: https://lore.kernel.org/all/20241105064214.318837272@xxxxxxxxxxxxx --- drivers/power/supply/charger-manager.c | 3 +-- fs/timerfd.c | 4 +--- include/linux/alarmtimer.h | 10 ++-------- kernel/time/alarmtimer.c | 16 +++++----------- net/netfilter/xt_IDLETIMER.c | 4 +--- 5 files changed, 10 insertions(+), 27 deletions(-) diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c index 96f0a7f..09ec0ec 100644 --- a/drivers/power/supply/charger-manager.c +++ b/drivers/power/supply/charger-manager.c @@ -1412,10 +1412,9 @@ static inline struct charger_desc *cm_get_drv_data(struct platform_device *pdev) return dev_get_platdata(&pdev->dev); } -static enum alarmtimer_restart cm_timer_func(struct alarm *alarm, ktime_t now) +static void cm_timer_func(struct alarm *alarm, ktime_t now) { cm_timer_set = false; - return ALARMTIMER_NORESTART; } static int charger_manager_probe(struct platform_device *pdev) diff --git a/fs/timerfd.c b/fs/timerfd.c index 137523e..f10c99a 100644 --- a/fs/timerfd.c +++ b/fs/timerfd.c @@ -79,13 +79,11 @@ static enum hrtimer_restart timerfd_tmrproc(struct hrtimer *htmr) return HRTIMER_NORESTART; } -static enum alarmtimer_restart timerfd_alarmproc(struct alarm *alarm, - ktime_t now) +static void timerfd_alarmproc(struct alarm *alarm, ktime_t now) { struct timerfd_ctx *ctx = container_of(alarm, struct timerfd_ctx, t.alarm); timerfd_triggered(ctx); - return ALARMTIMER_NORESTART; } /* diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h index 05e758b..3ffa534 100644 --- a/include/linux/alarmtimer.h +++ b/include/linux/alarmtimer.h @@ -20,12 +20,6 @@ enum alarmtimer_type { ALARM_BOOTTIME_FREEZER, }; -enum alarmtimer_restart { - ALARMTIMER_NORESTART, - ALARMTIMER_RESTART, -}; - - #define ALARMTIMER_STATE_INACTIVE 0x00 #define ALARMTIMER_STATE_ENQUEUED 0x01 @@ -42,14 +36,14 @@ enum alarmtimer_restart { struct alarm { struct timerqueue_node node; struct hrtimer timer; - enum alarmtimer_restart (*function)(struct alarm *, ktime_t now); + void (*function)(struct alarm *, ktime_t now); enum alarmtimer_type type; int state; void *data; }; void alarm_init(struct alarm *alarm, enum alarmtimer_type type, - enum alarmtimer_restart (*function)(struct alarm *, ktime_t)); + void (*function)(struct alarm *, ktime_t)); 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); diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 593e7d5..37d2d79 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -321,7 +321,7 @@ static int alarmtimer_resume(struct device *dev) static void __alarm_init(struct alarm *alarm, enum alarmtimer_type type, - enum alarmtimer_restart (*function)(struct alarm *, ktime_t)) + void (*function)(struct alarm *, ktime_t)) { timerqueue_init(&alarm->node); alarm->timer.function = alarmtimer_fired; @@ -337,7 +337,7 @@ __alarm_init(struct alarm *alarm, enum alarmtimer_type type, * @function: callback that is run when the alarm fires */ void alarm_init(struct alarm *alarm, enum alarmtimer_type type, - enum alarmtimer_restart (*function)(struct alarm *, ktime_t)) + void (*function)(struct alarm *, ktime_t)) { hrtimer_init(&alarm->timer, alarm_bases[type].base_clockid, HRTIMER_MODE_ABS); @@ -530,14 +530,12 @@ static enum alarmtimer_type clock2alarm(clockid_t clockid) * * Return: whether the timer is to be restarted */ -static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm, ktime_t now) +static void alarm_handle_timer(struct alarm *alarm, ktime_t now) { struct k_itimer *ptr = container_of(alarm, struct k_itimer, it.alarm.alarmtimer); guard(spinlock_irqsave)(&ptr->it_lock); posix_timer_queue_signal(ptr); - - return ALARMTIMER_NORESTART; } /** @@ -698,18 +696,14 @@ static int alarm_timer_create(struct k_itimer *new_timer) * @now: time at the timer expiration * * Wakes up the task that set the alarmtimer - * - * Return: ALARMTIMER_NORESTART */ -static enum alarmtimer_restart alarmtimer_nsleep_wakeup(struct alarm *alarm, - ktime_t now) +static void alarmtimer_nsleep_wakeup(struct alarm *alarm, ktime_t now) { struct task_struct *task = alarm->data; alarm->data = NULL; if (task) wake_up_process(task); - return ALARMTIMER_NORESTART; } /** @@ -761,7 +755,7 @@ static int alarmtimer_do_nsleep(struct alarm *alarm, ktime_t absexp, static void alarm_init_on_stack(struct alarm *alarm, enum alarmtimer_type type, - enum alarmtimer_restart (*function)(struct alarm *, ktime_t)) + void (*function)(struct alarm *, ktime_t)) { hrtimer_init_on_stack(&alarm->timer, alarm_bases[type].base_clockid, HRTIMER_MODE_ABS); diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c index db720ef..5514600 100644 --- a/net/netfilter/xt_IDLETIMER.c +++ b/net/netfilter/xt_IDLETIMER.c @@ -107,14 +107,12 @@ static void idletimer_tg_expired(struct timer_list *t) schedule_work(&timer->work); } -static enum alarmtimer_restart idletimer_tg_alarmproc(struct alarm *alarm, - ktime_t now) +static void idletimer_tg_alarmproc(struct alarm *alarm, ktime_t now) { struct idletimer_tg *timer = alarm->data; pr_debug("alarm %s expired\n", timer->attr.attr.name); schedule_work(&timer->work); - return ALARMTIMER_NORESTART; } static int idletimer_check_sysfs_name(const char *name, unsigned int size)