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Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/debug.h38
-rw-r--r--kernel/time/tick-broadcast.c13
2 files changed, 25 insertions, 26 deletions
diff --git a/kernel/irq/debug.h b/kernel/irq/debug.h
index 97a8bfadc88a..e75e29e4434a 100644
--- a/kernel/irq/debug.h
+++ b/kernel/irq/debug.h
@@ -4,10 +4,10 @@
#include <linux/kallsyms.h>
-#define P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
-#define PS(f) if (desc->istate & f) printk("%14s set\n", #f)
+#define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
+#define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
/* FIXME */
-#define PD(f) do { } while (0)
+#define ___PD(f) do { } while (0)
static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
{
@@ -23,23 +23,23 @@ static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
print_symbol("%s\n", (unsigned long)desc->action->handler);
}
- P(IRQ_LEVEL);
- P(IRQ_PER_CPU);
- P(IRQ_NOPROBE);
- P(IRQ_NOREQUEST);
- P(IRQ_NOTHREAD);
- P(IRQ_NOAUTOEN);
+ ___P(IRQ_LEVEL);
+ ___P(IRQ_PER_CPU);
+ ___P(IRQ_NOPROBE);
+ ___P(IRQ_NOREQUEST);
+ ___P(IRQ_NOTHREAD);
+ ___P(IRQ_NOAUTOEN);
- PS(IRQS_AUTODETECT);
- PS(IRQS_REPLAY);
- PS(IRQS_WAITING);
- PS(IRQS_PENDING);
+ ___PS(IRQS_AUTODETECT);
+ ___PS(IRQS_REPLAY);
+ ___PS(IRQS_WAITING);
+ ___PS(IRQS_PENDING);
- PD(IRQS_INPROGRESS);
- PD(IRQS_DISABLED);
- PD(IRQS_MASKED);
+ ___PD(IRQS_INPROGRESS);
+ ___PD(IRQS_DISABLED);
+ ___PD(IRQS_MASKED);
}
-#undef P
-#undef PS
-#undef PD
+#undef ___P
+#undef ___PS
+#undef ___PD
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index bf57abdc7bd0..f113755695e2 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -346,7 +346,8 @@ int tick_resume_broadcast(void)
tick_get_broadcast_mask());
break;
case TICKDEV_MODE_ONESHOT:
- broadcast = tick_resume_broadcast_oneshot(bc);
+ if (!cpumask_empty(tick_get_broadcast_mask()))
+ broadcast = tick_resume_broadcast_oneshot(bc);
break;
}
}
@@ -373,6 +374,9 @@ static int tick_broadcast_set_event(ktime_t expires, int force)
{
struct clock_event_device *bc = tick_broadcast_device.evtdev;
+ if (bc->mode != CLOCK_EVT_MODE_ONESHOT)
+ clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
+
return clockevents_program_event(bc, expires, force);
}
@@ -531,7 +535,6 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
int was_periodic = bc->mode == CLOCK_EVT_MODE_PERIODIC;
bc->event_handler = tick_handle_oneshot_broadcast;
- clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
/* Take the do_timer update */
tick_do_timer_cpu = cpu;
@@ -549,6 +552,7 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
to_cpumask(tmpmask));
if (was_periodic && !cpumask_empty(to_cpumask(tmpmask))) {
+ clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
tick_broadcast_init_next_event(to_cpumask(tmpmask),
tick_next_period);
tick_broadcast_set_event(tick_next_period, 1);
@@ -577,15 +581,10 @@ void tick_broadcast_switch_to_oneshot(void)
raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
tick_broadcast_device.mode = TICKDEV_MODE_ONESHOT;
-
- if (cpumask_empty(tick_get_broadcast_mask()))
- goto end;
-
bc = tick_broadcast_device.evtdev;
if (bc)
tick_broadcast_setup_oneshot(bc);
-end:
raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
}