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authorJeff Garzik <jgarzik@pobox.com>2005-11-05 15:39:24 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-05 15:39:24 -0500
commit7211bb9b64f17b23834d91fc3d0c1d78671ee9a8 (patch)
tree541909f86c31fee97cd70d28ec2fe5c23e1ceb02 /include/asm-powerpc/hardirq.h
parentf1e691a24955ea987f021f378324fb5003b1b208 (diff)
parent70d9d825e0a5a78ec1dacaaaf5c72ff5b0206fab (diff)
Merge branch 'master'
Diffstat (limited to 'include/asm-powerpc/hardirq.h')
-rw-r--r--include/asm-powerpc/hardirq.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-powerpc/hardirq.h b/include/asm-powerpc/hardirq.h
new file mode 100644
index 000000000000..3b3e3b49ec12
--- /dev/null
+++ b/include/asm-powerpc/hardirq.h
@@ -0,0 +1,27 @@
+#ifndef _ASM_POWERPC_HARDIRQ_H
+#define _ASM_POWERPC_HARDIRQ_H
+
+#include <asm/irq.h>
+#include <asm/bug.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 */