softirq: Remove tasklet_hrtimer
There are no more users of this interface. Remove it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Link: https://lkml.kernel.org/r/20190301224821.29843-4-bigeasy@linutronix.de
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@ -668,31 +668,6 @@ extern void tasklet_kill_immediate(struct tasklet_struct *t, unsigned int cpu);
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extern void tasklet_init(struct tasklet_struct *t,
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void (*func)(unsigned long), unsigned long data);
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struct tasklet_hrtimer {
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struct hrtimer timer;
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struct tasklet_struct tasklet;
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enum hrtimer_restart (*function)(struct hrtimer *);
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};
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extern void
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tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer,
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enum hrtimer_restart (*function)(struct hrtimer *),
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clockid_t which_clock, enum hrtimer_mode mode);
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static inline
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void tasklet_hrtimer_start(struct tasklet_hrtimer *ttimer, ktime_t time,
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const enum hrtimer_mode mode)
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{
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hrtimer_start(&ttimer->timer, time, mode);
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}
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static inline
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void tasklet_hrtimer_cancel(struct tasklet_hrtimer *ttimer)
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{
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hrtimer_cancel(&ttimer->timer);
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tasklet_kill(&ttimer->tasklet);
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}
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/*
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* Autoprobing for irqs:
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*
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@ -573,57 +573,6 @@ void tasklet_kill(struct tasklet_struct *t)
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}
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EXPORT_SYMBOL(tasklet_kill);
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/*
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* tasklet_hrtimer
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*/
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/*
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* The trampoline is called when the hrtimer expires. It schedules a tasklet
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* to run __tasklet_hrtimer_trampoline() which in turn will call the intended
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* hrtimer callback, but from softirq context.
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*/
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static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer)
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{
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struct tasklet_hrtimer *ttimer =
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container_of(timer, struct tasklet_hrtimer, timer);
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tasklet_hi_schedule(&ttimer->tasklet);
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return HRTIMER_NORESTART;
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}
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/*
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* Helper function which calls the hrtimer callback from
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* tasklet/softirq context
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*/
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static void __tasklet_hrtimer_trampoline(unsigned long data)
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{
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struct tasklet_hrtimer *ttimer = (void *)data;
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enum hrtimer_restart restart;
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restart = ttimer->function(&ttimer->timer);
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if (restart != HRTIMER_NORESTART)
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hrtimer_restart(&ttimer->timer);
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}
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/**
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* tasklet_hrtimer_init - Init a tasklet/hrtimer combo for softirq callbacks
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* @ttimer: tasklet_hrtimer which is initialized
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* @function: hrtimer callback function which gets called from softirq context
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* @which_clock: clock id (CLOCK_MONOTONIC/CLOCK_REALTIME)
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* @mode: hrtimer mode (HRTIMER_MODE_ABS/HRTIMER_MODE_REL)
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*/
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void tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer,
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enum hrtimer_restart (*function)(struct hrtimer *),
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clockid_t which_clock, enum hrtimer_mode mode)
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{
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hrtimer_init(&ttimer->timer, which_clock, mode);
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ttimer->timer.function = __hrtimer_tasklet_trampoline;
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tasklet_init(&ttimer->tasklet, __tasklet_hrtimer_trampoline,
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(unsigned long)ttimer);
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ttimer->function = function;
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}
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EXPORT_SYMBOL_GPL(tasklet_hrtimer_init);
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void __init softirq_init(void)
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{
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int cpu;
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