aboutsummaryrefslogtreecommitdiff
path: root/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/handle.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 5a360dd4331..961b8759173 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -16,6 +16,10 @@
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
+#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
+#include <asm/dyntick.h>
+#endif
+
#include "internals.h"
/**
@@ -113,6 +117,15 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
irqreturn_t ret, retval = IRQ_NONE;
unsigned int status = 0;
+#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
+ if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
+ write_seqlock(&xtime_lock);
+ if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
+ system_timer->dyn_tick->handler(irq, 0, regs);
+ write_sequnlock(&xtime_lock);
+ }
+#endif
+
if (!(action->flags & SA_INTERRUPT))
local_irq_enable();