1 files changed, 31 insertions, 0 deletions

diff --git a/include/asm-ppc/hardirq.h b/include/asm-ppc/hardirq.h
new file mode 100644
index 000000000000..94f1411b1a93
--- /dev/null
+++ b/include/asm-ppc/hardirq.h
@@ -0,0 +1,31 @@
+#ifdef __KERNEL__
+#ifndef __ASM_HARDIRQ_H
+#define __ASM_HARDIRQ_H
+
+#include <linux/config.h>
+#include <linux/cache.h>
+#include <linux/smp_lock.h>
+#include <asm/irq.h>
+
+/* The __last_jiffy_stamp field is needed to ensure that no decrementer
+ * interrupt is lost on SMP machines. Since on most CPUs it is in the same
+ * cache line as local_irq_count, it is cheap to access and is also used on UP
+ * for uniformity.
+ */
+typedef struct {
+        unsigned long __softirq_pending;        /* set_bit is used on this */
+        unsigned int __last_jiffy_stamp;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
+
+#define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp)
+
+static inline void ack_bad_irq(int irq)
+{
+        printk(KERN_CRIT "illegal vector %d received!\n", irq);
+        BUG();
+}
+
+#endif /* __ASM_HARDIRQ_H */
+#endif /* __KERNEL__ */