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12#include <linux/interrupt.h>
13#include <linux/irq.h>
14#include <linux/kernel_stat.h>
15#include <linux/proc_fs.h>
16#include <linux/seq_file.h>
17#include <linux/sysdev.h>
18
19
20
21
22
23void ack_bad_irq(unsigned int irq)
24{
25 printk("unexpected IRQ %u\n", irq);
26}
27
28
29int __weak nmi_enable(void)
30{
31 return -ENOSYS;
32}
33
34void __weak nmi_disable(void)
35{
36
37}
38
39#ifdef CONFIG_PROC_FS
40int show_interrupts(struct seq_file *p, void *v)
41{
42 int i = *(loff_t *)v, cpu;
43 struct irqaction *action;
44 unsigned long flags;
45
46 if (i == 0) {
47 seq_puts(p, " ");
48 for_each_online_cpu(cpu)
49 seq_printf(p, "CPU%d ", cpu);
50 seq_putc(p, '\n');
51 }
52
53 if (i < NR_IRQS) {
54 spin_lock_irqsave(&irq_desc[i].lock, flags);
55 action = irq_desc[i].action;
56 if (!action)
57 goto unlock;
58
59 seq_printf(p, "%3d: ", i);
60 for_each_online_cpu(cpu)
61 seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
62 seq_printf(p, " %8s", irq_desc[i].chip->name ? : "-");
63 seq_printf(p, " %s", action->name);
64 for (action = action->next; action; action = action->next)
65 seq_printf(p, ", %s", action->name);
66
67 seq_putc(p, '\n');
68 unlock:
69 spin_unlock_irqrestore(&irq_desc[i].lock, flags);
70 }
71
72 return 0;
73}
74#endif
75