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-rw-r--r--include/linux/irq_cpustat.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/irq_cpustat.h b/include/linux/irq_cpustat.h
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index 00000000000..af93505ec2e
--- /dev/null
+++ b/include/linux/irq_cpustat.h
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+#ifndef __irq_cpustat_h
+#define __irq_cpustat_h
+
+/*
+ * Contains default mappings for irq_cpustat_t, used by almost every
+ * architecture. Some arch (like s390) have per cpu hardware pages and
+ * they define their own mappings for irq_stat.
+ *
+ * Keith Owens <kaos@ocs.com.au> July 2000.
+ */
+
+#include <linux/config.h>
+
+/*
+ * Simple wrappers reducing source bloat. Define all irq_stat fields
+ * here, even ones that are arch dependent. That way we get common
+ * definitions instead of differing sets for each arch.
+ */
+
+#ifndef __ARCH_IRQ_STAT
+extern irq_cpustat_t irq_stat[]; /* defined in asm/hardirq.h */
+#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
+#endif
+
+ /* arch independent irq_stat fields */
+#define local_softirq_pending() \
+ __IRQ_STAT(smp_processor_id(), __softirq_pending)
+
+ /* arch dependent irq_stat fields */
+#define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */
+
+#endif /* __irq_cpustat_h */