Merge branch 'linus' into core/rcu

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
new file mode 100644
index 000000000000..182310b99195
--- /dev/null
+++ b/arch/arm/include/asm/hardirq.h
@@ -0,0 +1,32 @@
+#ifndef __ASM_HARDIRQ_H
+#define __ASM_HARDIRQ_H
+
+#include <linux/cache.h>
+#include <linux/threads.h>
+#include <asm/irq.h>
+
+typedef struct {
+	unsigned int __softirq_pending;
+	unsigned int local_timer_irqs;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
+
+#if NR_IRQS > 256
+#define HARDIRQ_BITS	9
+#else
+#define HARDIRQ_BITS	8
+#endif
+
+/*
+ * The hardirq mask has to be large enough to have space
+ * for potentially all IRQ sources in the system nesting
+ * on a single CPU:
+ */
+#if (1 << HARDIRQ_BITS) < NR_IRQS
+# error HARDIRQ_BITS is too low!
+#endif
+
+#define __ARCH_IRQ_EXIT_IRQS_DISABLED	1
+
+#endif /* __ASM_HARDIRQ_H */