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1da177e4 LT |
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__ */ |