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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/threads.h> | |
7 | #include <linux/irq.h> | |
8 | ||
9 | typedef struct { | |
10 | unsigned int __softirq_pending; | |
11 | } ____cacheline_aligned irq_cpustat_t; | |
12 | ||
13 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | |
14 | ||
15 | #if NR_IRQS > 256 | |
16 | #define HARDIRQ_BITS 9 | |
17 | #else | |
18 | #define HARDIRQ_BITS 8 | |
19 | #endif | |
20 | ||
21 | /* | |
22 | * The hardirq mask has to be large enough to have | |
23 | * space for potentially all IRQ sources in the system | |
24 | * nesting on a single CPU: | |
25 | */ | |
26 | #if (1 << HARDIRQ_BITS) < NR_IRQS | |
27 | # error HARDIRQ_BITS is too low! | |
28 | #endif | |
29 | ||
30 | static inline void ack_bad_irq(int irq) | |
31 | { | |
32 | printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq); | |
33 | BUG(); | |
34 | } | |
35 | ||
36 | #endif /* __ASM_HARDIRQ_H */ | |
37 | #endif /* __KERNEL__ */ |