[linux-block.git] / include / asm-powerpc / hardirq.h

#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 */
Commit	Line	Data
3e57615b	1	#ifndef _ASM_POWERPC_HARDIRQ_H
3e57615b	2	#define _ASM_POWERPC_HARDIRQ_H
1da177e4	3
40ef8cbc PM	4	#include <asm/irq.h>
	5	#include <asm/bug.h>
	6
1da177e4 LT	7	/* The __last_jiffy_stamp field is needed to ensure that no decrementer
	8	* interrupt is lost on SMP machines. Since on most CPUs it is in the same
	9	* cache line as local_irq_count, it is cheap to access and is also used on UP
	10	* for uniformity.
	11	*/
	12	typedef struct {
3e57615b	13	unsigned int __softirq_pending; /* set_bit is used on this */
1da177e4 LT	14	unsigned int __last_jiffy_stamp;
	15	} ____cacheline_aligned irq_cpustat_t;
	16
	17	#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
	18
	19	#define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp)
	20
	21	static inline void ack_bad_irq(int irq)
	22	{
	23	printk(KERN_CRIT "illegal vector %d received!\n", irq);
	24	BUG();
	25	}
	26
3e57615b	27	#endif /* _ASM_POWERPC_HARDIRQ_H */