1 #ifndef __ASM_HARDIRQ_H
2 #define __ASM_HARDIRQ_H
4 #include <linux/config.h>
5 #include <linux/threads.h>
10 #define __ARCH_IRQ_STAT 1
12 /* Generate a lvalue for a pda member. Should fix softirq.c instead to use
13 special access macros. This would generate better code. */
14 #define __IRQ_STAT(cpu,member) (read_pda(me)->member)
16 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
19 * 'what should we do if we get a hw irq event on an illegal vector'.
20 * each architecture has to answer this themselves.
22 static inline void ack_bad_irq(unsigned int irq)
25 printk("unexpected IRQ trap at vector %02x\n", irq);
26 #ifdef CONFIG_X86_LOCAL_APIC
28 * Currently unexpected vectors happen only on SMP and APIC.
29 * We _must_ ack these because every local APIC has only N
30 * irq slots per priority level, and a 'hanging, unacked' IRQ
31 * holds up an irq slot - in excessive cases (when multiple
32 * unexpected vectors occur) that might lock up the APIC
39 #endif /* __ASM_HARDIRQ_H */