blob: e717742ffce06905a0231f4e62e78b7d3568f054 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_HARDIRQ_H
2#define __ASM_HARDIRQ_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004#include <linux/cache.h>
5#include <linux/threads.h>
Alexey Dobriyan19f03f72006-02-01 03:06:16 -08006#include <asm/irq.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07007
8typedef 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#ifndef CONFIG_SMP
26
27extern asmlinkage void __do_softirq(void);
28
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#endif
30
31
32#endif /* __ASM_HARDIRQ_H */