[PATCH] paravirt: remove read hazard from cow
[linux-2.6/mini2440.git] / include / asm-arm26 / hardirq.h
blobe717742ffce06905a0231f4e62e78b7d3568f054
1 #ifndef __ASM_HARDIRQ_H
2 #define __ASM_HARDIRQ_H
4 #include <linux/cache.h>
5 #include <linux/threads.h>
6 #include <asm/irq.h>
8 typedef struct {
9 unsigned int __softirq_pending;
10 } ____cacheline_aligned irq_cpustat_t;
12 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
14 #define HARDIRQ_BITS 8
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:
21 #if (1 << HARDIRQ_BITS) < NR_IRQS
22 # error HARDIRQ_BITS is too low!
23 #endif
25 #ifndef CONFIG_SMP
27 extern asmlinkage void __do_softirq(void);
29 #endif
32 #endif /* __ASM_HARDIRQ_H */