diff options
Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r-- | arch/x86/kernel/irq.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index c3fe010d74c8..9a391bbb8ba8 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include <asm/io_apic.h> | 12 | #include <asm/io_apic.h> |
13 | #include <asm/irq.h> | 13 | #include <asm/irq.h> |
14 | #include <asm/idle.h> | 14 | #include <asm/idle.h> |
15 | #include <asm/hw_irq.h> | ||
15 | 16 | ||
16 | atomic_t irq_err_count; | 17 | atomic_t irq_err_count; |
17 | 18 | ||
@@ -24,9 +25,9 @@ void (*generic_interrupt_extension)(void) = NULL; | |||
24 | */ | 25 | */ |
25 | void ack_bad_irq(unsigned int irq) | 26 | void ack_bad_irq(unsigned int irq) |
26 | { | 27 | { |
27 | printk(KERN_ERR "unexpected IRQ trap at vector %02x\n", irq); | 28 | if (printk_ratelimit()) |
29 | pr_err("unexpected IRQ trap at vector %02x\n", irq); | ||
28 | 30 | ||
29 | #ifdef CONFIG_X86_LOCAL_APIC | ||
30 | /* | 31 | /* |
31 | * Currently unexpected vectors happen only on SMP and APIC. | 32 | * Currently unexpected vectors happen only on SMP and APIC. |
32 | * We _must_ ack these because every local APIC has only N | 33 | * We _must_ ack these because every local APIC has only N |
@@ -36,9 +37,7 @@ void ack_bad_irq(unsigned int irq) | |||
36 | * completely. | 37 | * completely. |
37 | * But only ack when the APIC is enabled -AK | 38 | * But only ack when the APIC is enabled -AK |
38 | */ | 39 | */ |
39 | if (cpu_has_apic) | 40 | ack_APIC_irq(); |
40 | ack_APIC_irq(); | ||
41 | #endif | ||
42 | } | 41 | } |
43 | 42 | ||
44 | #define irq_stats(x) (&per_cpu(irq_stat, x)) | 43 | #define irq_stats(x) (&per_cpu(irq_stat, x)) |
@@ -178,7 +177,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu) | |||
178 | sum += irq_stats(cpu)->irq_thermal_count; | 177 | sum += irq_stats(cpu)->irq_thermal_count; |
179 | # ifdef CONFIG_X86_64 | 178 | # ifdef CONFIG_X86_64 |
180 | sum += irq_stats(cpu)->irq_threshold_count; | 179 | sum += irq_stats(cpu)->irq_threshold_count; |
181 | #endif | 180 | # endif |
182 | #endif | 181 | #endif |
183 | return sum; | 182 | return sum; |
184 | } | 183 | } |
@@ -213,14 +212,11 @@ unsigned int __irq_entry do_IRQ(struct pt_regs *regs) | |||
213 | irq = __get_cpu_var(vector_irq)[vector]; | 212 | irq = __get_cpu_var(vector_irq)[vector]; |
214 | 213 | ||
215 | if (!handle_irq(irq, regs)) { | 214 | if (!handle_irq(irq, regs)) { |
216 | #ifdef CONFIG_X86_64 | 215 | ack_APIC_irq(); |
217 | if (!disable_apic) | ||
218 | ack_APIC_irq(); | ||
219 | #endif | ||
220 | 216 | ||
221 | if (printk_ratelimit()) | 217 | if (printk_ratelimit()) |
222 | printk(KERN_EMERG "%s: %d.%d No irq handler for vector (irq %d)\n", | 218 | pr_emerg("%s: %d.%d No irq handler for vector (irq %d)\n", |
223 | __func__, smp_processor_id(), vector, irq); | 219 | __func__, smp_processor_id(), vector, irq); |
224 | } | 220 | } |
225 | 221 | ||
226 | irq_exit(); | 222 | irq_exit(); |