hrtimer: clean up unused callback modes
Impact: cleanup
git grep HRTIMER_CB_IRQSAFE revealed half the callback modes are actually
unused.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 07e510a..3eba438 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -46,9 +46,6 @@
* hrtimer callback modes:
*
* HRTIMER_CB_SOFTIRQ: Callback must run in softirq context
- * HRTIMER_CB_IRQSAFE: Callback may run in hardirq context
- * HRTIMER_CB_IRQSAFE_NO_RESTART: Callback may run in hardirq context and
- * does not restart the timer
* HRTIMER_CB_IRQSAFE_PERCPU: Callback must run in hardirq context
* Special mode for tick emulation and
* scheduler timer. Such timers are per
@@ -61,8 +58,6 @@
*/
enum hrtimer_cb_mode {
HRTIMER_CB_SOFTIRQ,
- HRTIMER_CB_IRQSAFE,
- HRTIMER_CB_IRQSAFE_NO_RESTART,
HRTIMER_CB_IRQSAFE_PERCPU,
HRTIMER_CB_IRQSAFE_UNLOCKED,
};
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 95d3949..47e6334 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -664,14 +664,6 @@
/* Timer is expired, act upon the callback mode */
switch(timer->cb_mode) {
- case HRTIMER_CB_IRQSAFE_NO_RESTART:
- debug_hrtimer_deactivate(timer);
- /*
- * We can call the callback from here. No restart
- * happens, so no danger of recursion
- */
- BUG_ON(timer->function(timer) != HRTIMER_NORESTART);
- return 1;
case HRTIMER_CB_IRQSAFE_PERCPU:
case HRTIMER_CB_IRQSAFE_UNLOCKED:
/*
@@ -683,7 +675,6 @@
*/
debug_hrtimer_deactivate(timer);
return 1;
- case HRTIMER_CB_IRQSAFE:
case HRTIMER_CB_SOFTIRQ:
/*
* Move everything else into the softirq pending list !