[mirror_ubuntu-hirsute-kernel.git] / include / asm-generic / hardirq.h

#ifndef __ASM_GENERIC_HARDIRQ_H
#define __ASM_GENERIC_HARDIRQ_H

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

typedef struct {
	unsigned long __softirq_pending;
} ____cacheline_aligned irq_cpustat_t;

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

#ifndef HARDIRQ_BITS
#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

#ifndef ack_bad_irq
static inline void ack_bad_irq(unsigned int irq)
{
	printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq);
}
#endif

#endif /* __ASM_GENERIC_HARDIRQ_H */
Commit	Line	Data
aafe4dbe AB	1	#ifndef __ASM_GENERIC_HARDIRQ_H
	2	#define __ASM_GENERIC_HARDIRQ_H
	3
	4	#include <linux/cache.h>
	5	#include <linux/threads.h>
	6	#include <linux/irq.h>
	7
	8	typedef struct {
	9	unsigned long __softirq_pending;
	10	} ____cacheline_aligned irq_cpustat_t;
	11
	12	#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
	13
	14	#ifndef HARDIRQ_BITS
	15	#define HARDIRQ_BITS 8
	16	#endif
	17
	18	/*
	19	* The hardirq mask has to be large enough to have
	20	* space for potentially all IRQ sources in the system
	21	* nesting on a single CPU:
	22	*/
	23	#if (1 << HARDIRQ_BITS) < NR_IRQS
	24	# error HARDIRQ_BITS is too low!
	25	#endif
	26
	27	#ifndef ack_bad_irq
	28	static inline void ack_bad_irq(unsigned int irq)
	29	{
	30	printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq);
	31	}
	32	#endif
	33
	34	#endif /* __ASM_GENERIC_HARDIRQ_H */