[PATCH]: tick-sched.c build fix

[David Miller]

While getting dynticks/hrtimers up on sparc64 I ran into
the following build problem.  If you use get_irq_regs() you
need to include asm/irq_regs.h

Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 512a4a9..51556b9 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -21,6 +21,8 @@
 #include <linux/sched.h>
 #include <linux/tick.h>
 
+#include <asm/irq_regs.h>
+
 #include "tick-internal.h"
 
 /*
-
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