[deliverable/linux.git] / include / asm-arm / hardirq.h

#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 */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_HARDIRQ_H
	2	#define __ASM_HARDIRQ_H
	3
1da177e4 LT	4	#include <linux/cache.h>
	5	#include <linux/threads.h>
	6	#include <asm/irq.h>
	7
	8	typedef struct {
	9	unsigned int __softirq_pending;
37ee16ae	10	unsigned int local_timer_irqs;
1da177e4 LT	11	} ____cacheline_aligned irq_cpustat_t;
	12
	13	#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
	14
	15	#if NR_IRQS > 256
	16	#define HARDIRQ_BITS 9
	17	#else
	18	#define HARDIRQ_BITS 8
	19	#endif
	20
	21	/*
	22	* The hardirq mask has to be large enough to have space
	23	* for potentially all IRQ sources in the system nesting
	24	* on a single CPU:
	25	*/
	26	#if (1 << HARDIRQ_BITS) < NR_IRQS
	27	# error HARDIRQ_BITS is too low!
	28	#endif
	29
	30	#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
	31
	32	#endif /* __ASM_HARDIRQ_H */