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Merge up to 2.6.11
Merge of 2.6.x-xfs-melb:linux:21721a by kenmcd.

#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H

/* only non-SMP supported */

#include <linux/threads.h>
#include <linux/cache.h>

/* entry.S is sensitive to the offsets of these fields */
typedef struct {
	unsigned int __softirq_pending;
} ____cacheline_aligned irq_cpustat_t;

#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */

#define HARDIRQ_BITS	8

/*
 * 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

#endif /* __ASM_HARDIRQ_H */