tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __ASM_HARDIRQ_H
2#define __ASM_HARDIRQ_H
3
4#include <linux/cache.h>
5#include <linux/threads.h>
6#include <asm/irq.h>
7
8typedef struct {
9 unsigned int __softirq_pending;
10 unsigned int local_timer_irqs;
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 space
23 * for potentially all IRQ sources in the system nesting
24 * on a single CPU:
25 */
26#if (1 << HARDIRQ_BITS) < NR_IRQS
27# error HARDIRQ_BITS is too low!
28#endif
29
30#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
31
32#endif /* __ASM_HARDIRQ_H */