Commit-ID: d7dcf26ff0ffd7b56fe2b09ed7f1867589f3cdf1
Gitweb: https://git.kernel.org/tip/d7dcf26ff0ffd7b56fe2b09ed7f1867589f3cdf1
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Fri, 1 Mar 2019 23:48:21 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 22 Mar 2019 14:36:02 +0100
softirq: Remove tasklet_hrtimer
There are no more users of this interface.
Remove it.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Anna-Maria Gleixner <anna-maria@xxxxxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Link: https://lkml.kernel.org/r/20190301224821.29843-4-bigeasy@xxxxxxxxxxxxx
---
include/linux/interrupt.h | 25 -----------------------
kernel/softirq.c | 51 -----------------------------------------------
2 files changed, 76 deletions(-)
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 690b238a44d5..c7eef32e7739 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -668,31 +668,6 @@ extern void tasklet_kill_immediate(struct tasklet_struct *t, unsigned int cpu);
extern void tasklet_init(struct tasklet_struct *t,
void (*func)(unsigned long), unsigned long data);
-struct tasklet_hrtimer {
- struct hrtimer timer;
- struct tasklet_struct tasklet;
- enum hrtimer_restart (*function)(struct hrtimer *);
-};
-
-extern void
-tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer,
- enum hrtimer_restart (*function)(struct hrtimer *),
- clockid_t which_clock, enum hrtimer_mode mode);
-
-static inline
-void tasklet_hrtimer_start(struct tasklet_hrtimer *ttimer, ktime_t time,
- const enum hrtimer_mode mode)
-{
- hrtimer_start(&ttimer->timer, time, mode);
-}
-
-static inline
-void tasklet_hrtimer_cancel(struct tasklet_hrtimer *ttimer)
-{
- hrtimer_cancel(&ttimer->timer);
- tasklet_kill(&ttimer->tasklet);
-}
-
/*
* Autoprobing for irqs:
*
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 10277429ed84..2c3382378d94 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -573,57 +573,6 @@ void tasklet_kill(struct tasklet_struct *t)
}
EXPORT_SYMBOL(tasklet_kill);
-/*
- * tasklet_hrtimer
- */
-
-/*
- * The trampoline is called when the hrtimer expires. It schedules a tasklet
- * to run __tasklet_hrtimer_trampoline() which in turn will call the intended
- * hrtimer callback, but from softirq context.
- */
-static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer)
-{
- struct tasklet_hrtimer *ttimer =
- container_of(timer, struct tasklet_hrtimer, timer);
-
- tasklet_hi_schedule(&ttimer->tasklet);
- return HRTIMER_NORESTART;
-}
-
-/*
- * Helper function which calls the hrtimer callback from
- * tasklet/softirq context
- */
-static void __tasklet_hrtimer_trampoline(unsigned long data)
-{
- struct tasklet_hrtimer *ttimer = (void *)data;
- enum hrtimer_restart restart;
-
- restart = ttimer->function(&ttimer->timer);
- if (restart != HRTIMER_NORESTART)
- hrtimer_restart(&ttimer->timer);
-}
-
-/**
- * tasklet_hrtimer_init - Init a tasklet/hrtimer combo for softirq callbacks
- * @ttimer: tasklet_hrtimer which is initialized
- * @function: hrtimer callback function which gets called from softirq context
- * @which_clock: clock id (CLOCK_MONOTONIC/CLOCK_REALTIME)
- * @mode: hrtimer mode (HRTIMER_MODE_ABS/HRTIMER_MODE_REL)
- */
-void tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer,
- enum hrtimer_restart (*function)(struct hrtimer *),
- clockid_t which_clock, enum hrtimer_mode mode)
-{
- hrtimer_init(&ttimer->timer, which_clock, mode);
- ttimer->timer.function = __hrtimer_tasklet_trampoline;
- tasklet_init(&ttimer->tasklet, __tasklet_hrtimer_trampoline,
- (unsigned long)ttimer);
- ttimer->function = function;
-}
-EXPORT_SYMBOL_GPL(tasklet_hrtimer_init);
-
void __init softirq_init(void)
{
int cpu;
|