tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifdef __KERNEL__
2#ifndef __ASM_HARDIRQ_H
3#define __ASM_HARDIRQ_H
4
5#include <linux/config.h>
6#include <linux/cache.h>
7#include <linux/smp_lock.h>
8#include <asm/irq.h>
9
10/* The __last_jiffy_stamp field is needed to ensure that no decrementer
11 * interrupt is lost on SMP machines. Since on most CPUs it is in the same
12 * cache line as local_irq_count, it is cheap to access and is also used on UP
13 * for uniformity.
14 */
15typedef struct {
16 unsigned long __softirq_pending; /* set_bit is used on this */
17 unsigned int __last_jiffy_stamp;
18} ____cacheline_aligned irq_cpustat_t;
19
20#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
21
22#define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp)
23
24static inline void ack_bad_irq(int irq)
25{
26 printk(KERN_CRIT "illegal vector %d received!\n", irq);
27 BUG();
28}
29
30#endif /* __ASM_HARDIRQ_H */
31#endif /* __KERNEL__ */