Linux Kernel  3.7.1
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hardirq.h
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1 #ifndef __M68K_HARDIRQ_H
2 #define __M68K_HARDIRQ_H
3 
4 #include <linux/threads.h>
5 #include <linux/cache.h>
6 #include <asm/irq.h>
7 
8 #define HARDIRQ_BITS 8
9 
10 /*
11  * The hardirq mask has to be large enough to have
12  * space for potentially all IRQ sources in the system
13  * nesting on a single CPU:
14  */
15 #if (1 << HARDIRQ_BITS) < NR_IRQS
16 # error HARDIRQ_BITS is too low!
17 #endif
18 
19 #ifdef CONFIG_MMU
20 
21 static inline void ack_bad_irq(unsigned int irq)
22 {
23  pr_crit("unexpected IRQ trap at vector %02x\n", irq);
24 }
25 
26 /* entry.S is sensitive to the offsets of these fields */
27 typedef struct {
28  unsigned int __softirq_pending;
29 } ____cacheline_aligned irq_cpustat_t;
30 
31 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
32 
33 #else
34 
35 #include <asm-generic/hardirq.h>
36 
37 #endif /* !CONFIG_MMU */
38 
39 #endif