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-rw-r--r--include/asm-powerpc/hardirq.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-powerpc/hardirq.h b/include/asm-powerpc/hardirq.h
new file mode 100644
index 00000000000..2c0a31b1008
--- /dev/null
+++ b/include/asm-powerpc/hardirq.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_POWERPC_HARDIRQ_H
+#define _ASM_POWERPC_HARDIRQ_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 int __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_POWERPC_HARDIRQ_H */