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Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r--arch/x86/kernel/irq.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 35eddc9ec99e..a05660bf0299 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -24,9 +24,9 @@ void (*generic_interrupt_extension)(void) = NULL;
24 */ 24 */
25void ack_bad_irq(unsigned int irq) 25void ack_bad_irq(unsigned int irq)
26{ 26{
27 printk(KERN_ERR "unexpected IRQ trap at vector %02x\n", irq); 27 if (printk_ratelimit())
28 pr_err("unexpected IRQ trap at vector %02x\n", irq);
28 29
29#ifdef CONFIG_X86_LOCAL_APIC
30 /* 30 /*
31 * Currently unexpected vectors happen only on SMP and APIC. 31 * Currently unexpected vectors happen only on SMP and APIC.
32 * We _must_ ack these because every local APIC has only N 32 * We _must_ ack these because every local APIC has only N
@@ -36,9 +36,7 @@ void ack_bad_irq(unsigned int irq)
36 * completely. 36 * completely.
37 * But only ack when the APIC is enabled -AK 37 * But only ack when the APIC is enabled -AK
38 */ 38 */
39 if (cpu_has_apic) 39 ack_APIC_irq();
40 ack_APIC_irq();
41#endif
42} 40}
43 41
44#define irq_stats(x) (&per_cpu(irq_stat, x)) 42#define irq_stats(x) (&per_cpu(irq_stat, x))
@@ -178,7 +176,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
178 sum += irq_stats(cpu)->irq_thermal_count; 176 sum += irq_stats(cpu)->irq_thermal_count;
179# ifdef CONFIG_X86_MCE_THRESHOLD 177# ifdef CONFIG_X86_MCE_THRESHOLD
180 sum += irq_stats(cpu)->irq_threshold_count; 178 sum += irq_stats(cpu)->irq_threshold_count;
181#endif 179# endif
182#endif 180#endif
183 return sum; 181 return sum;
184} 182}
@@ -213,14 +211,11 @@ unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
213 irq = __get_cpu_var(vector_irq)[vector]; 211 irq = __get_cpu_var(vector_irq)[vector];
214 212
215 if (!handle_irq(irq, regs)) { 213 if (!handle_irq(irq, regs)) {
216#ifdef CONFIG_X86_64 214 ack_APIC_irq();
217 if (!disable_apic)
218 ack_APIC_irq();
219#endif
220 215
221 if (printk_ratelimit()) 216 if (printk_ratelimit())
222 printk(KERN_EMERG "%s: %d.%d No irq handler for vector (irq %d)\n", 217 pr_emerg("%s: %d.%d No irq handler for vector (irq %d)\n",
223 __func__, smp_processor_id(), vector, irq); 218 __func__, smp_processor_id(), vector, irq);
224 } 219 }
225 220
226 irq_exit(); 221 irq_exit();