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1da177e4 LT |
1 | #ifndef __ASM_HARDIRQ_H |
2 | #define __ASM_HARDIRQ_H | |
3 | ||
1da177e4 LT |
4 | #include <linux/cache.h> |
5 | #include <linux/threads.h> | |
19f03f75 | 6 | #include <asm/irq.h> |
1da177e4 LT |
7 | |
8 | typedef struct { | |
9 | unsigned int __softirq_pending; | |
10 | } ____cacheline_aligned irq_cpustat_t; | |
11 | ||
12 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | |
13 | ||
14 | #define HARDIRQ_BITS 8 | |
15 | ||
16 | /* | |
17 | * The hardirq mask has to be large enough to have space | |
18 | * for potentially all IRQ sources in the system nesting | |
19 | * on a single CPU: | |
20 | */ | |
21 | #if (1 << HARDIRQ_BITS) < NR_IRQS | |
22 | # error HARDIRQ_BITS is too low! | |
23 | #endif | |
24 | ||
1da177e4 LT |
25 | #ifndef CONFIG_SMP |
26 | ||
27 | extern asmlinkage void __do_softirq(void); | |
28 | ||
1da177e4 LT |
29 | #endif |
30 | ||
31 | ||
32 | #endif /* __ASM_HARDIRQ_H */ |