| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifdef __KERNEL__ |
| 2 | #ifndef __ASM_HARDIRQ_H |
| 3 | #define __ASM_HARDIRQ_H |
| 4 | |
| 5 | #include <linux/config.h> |
| 6 | #include <linux/cache.h> |
| 7 | #include <linux/smp_lock.h> |
| 8 | #include <asm/irq.h> |
| 9 | |
| 10 | /* The __last_jiffy_stamp field is needed to ensure that no decrementer |
| 11 | * interrupt is lost on SMP machines. Since on most CPUs it is in the same |
| 12 | * cache line as local_irq_count, it is cheap to access and is also used on UP |
| 13 | * for uniformity. |
| 14 | */ |
| 15 | typedef struct { |
| 16 | unsigned long __softirq_pending; /* set_bit is used on this */ |
| 17 | unsigned int __last_jiffy_stamp; |
| 18 | } ____cacheline_aligned irq_cpustat_t; |
| 19 | |
| 20 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ |
| 21 | |
| 22 | #define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp) |
| 23 | |
| 24 | static inline void ack_bad_irq(int irq) |
| 25 | { |
| 26 | printk(KERN_CRIT "illegal vector %d received!\n", irq); |
| 27 | BUG(); |
| 28 | } |
| 29 | |
| 30 | #endif /* __ASM_HARDIRQ_H */ |
| 31 | #endif /* __KERNEL__ */ |