37 строки
752 B
C
37 строки
752 B
C
|
#ifdef __KERNEL__
|
||
|
|
#ifndef __ASM_HARDIRQ_H
|
||
|
|
#define __ASM_HARDIRQ_H
|
||
|
|
|
||
|
|
#include <linux/threads.h>
|
||
|
|
#include <linux/irq.h>
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
unsigned int __softirq_pending;
|
||
|
|
} ____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
|
||
|
|
|
||
|
|
static inline void ack_bad_irq(int irq)
|
||
|
|
{
|
||
|
|
printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq);
|
||
|
|
BUG();
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __ASM_HARDIRQ_H */
|
||
|
|
#endif /* __KERNEL__ */
|