diff options
Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r-- | arch/x86/kernel/irq.c | 19 |
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 | */ |
25 | void ack_bad_irq(unsigned int irq) | 25 | void 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(); |