diff options
Diffstat (limited to 'include/asm-x86_64')
-rw-r--r-- | include/asm-x86_64/hardirq.h | 21 |
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 | /* | 19 | extern 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 | */ | ||
23 | static 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 */ |