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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>
6#include <asm/irq.h>
7
8typedef struct {
9 unsigned int __softirq_pending;
Russell King37ee16a2005-11-08 19:08:05 +000010 unsigned int local_timer_irqs;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011} ____cacheline_aligned irq_cpustat_t;
12
13#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
14
Magnus Damm27ada412010-05-19 09:58:27 +010015#if NR_IRQS > 512
16#define HARDIRQ_BITS 10
17#elif NR_IRQS > 256
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#define HARDIRQ_BITS 9
19#else
20#define HARDIRQ_BITS 8
21#endif
22
23/*
24 * The hardirq mask has to be large enough to have space
25 * for potentially all IRQ sources in the system nesting
26 * on a single CPU:
27 */
28#if (1 << HARDIRQ_BITS) < NR_IRQS
29# error HARDIRQ_BITS is too low!
30#endif
31
32#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
33
34#endif /* __ASM_HARDIRQ_H */