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1da177e4 LT |
1 | #ifndef __ASM_HARDIRQ_H |
2 | #define __ASM_HARDIRQ_H | |
3 | ||
4 | /* only non-SMP supported */ | |
5 | ||
6 | #include <linux/threads.h> | |
7 | #include <linux/cache.h> | |
8 | ||
9 | /* entry.S is sensitive to the offsets of these fields */ | |
10 | typedef struct { | |
11 | unsigned int __softirq_pending; | |
12 | } ____cacheline_aligned irq_cpustat_t; | |
13 | ||
14 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | |
15 | ||
16 | #define HARDIRQ_BITS 8 | |
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 | #endif /* __ASM_HARDIRQ_H */ |