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-rw-r--r--include/asm-x86_64/hardirq.h21
1 files changed, 2 insertions, 19 deletions
diff --git a/include/asm-x86_64/hardirq.h b/include/asm-x86_64/hardirq.h
index 8661b476fb40..8689951e3503 100644
--- a/include/asm-x86_64/hardirq.h
+++ b/include/asm-x86_64/hardirq.h
@@ -16,23 +16,6 @@
16#define set_softirq_pending(x) write_pda(__softirq_pending, (x)) 16#define set_softirq_pending(x) write_pda(__softirq_pending, (x))
17#define or_softirq_pending(x) or_pda(__softirq_pending, (x)) 17#define or_softirq_pending(x) or_pda(__softirq_pending, (x))
18 18
19/* 19extern void ack_bad_irq(unsigned int irq);
20 * 'what should we do if we get a hw irq event on an illegal vector'. 20
21 * each architecture has to answer this themselves.
22 */
23static inline void ack_bad_irq(unsigned int irq)
24{
25 printk("unexpected IRQ trap at vector %02x\n", irq);
26#ifdef CONFIG_X86_LOCAL_APIC
27 /*
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
33 * completely.
34 */
35 ack_APIC_irq();
36#endif
37}
38#endif /* __ASM_HARDIRQ_H */ 21#endif /* __ASM_HARDIRQ_H */