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authorIngo Molnar <mingo@elte.hu>2009-06-11 17:55:42 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-11 17:55:42 +0200
commit940010c5a314a7bd9b498593bc6ba1718ac5aec5 (patch)
treed141e08ced08c40c6a8e3ab2cdecde5ff14e560f /arch/x86/kernel/irq.c
parent8dc8e5e8bc0ce00b0f656bf972f67cd8a72759e5 (diff)
parent991ec02cdca33b03a132a0cacfe6f0aa0be9aa8d (diff)
Merge branch 'linus' into perfcounters/core
Conflicts: arch/x86/kernel/irqinit.c arch/x86/kernel/irqinit_64.c arch/x86/kernel/traps.c arch/x86/mm/fault.c include/linux/sched.h kernel/exit.c
Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r--arch/x86/kernel/irq.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 8279fb8df17..38287b5f116 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -12,6 +12,7 @@
#include <asm/io_apic.h>
#include <asm/irq.h>
#include <asm/idle.h>
+#include <asm/hw_irq.h>
atomic_t irq_err_count;
@@ -24,9 +25,9 @@ void (*generic_interrupt_extension)(void) = NULL;
*/
void ack_bad_irq(unsigned int irq)
{
- printk(KERN_ERR "unexpected IRQ trap at vector %02x\n", irq);
+ if (printk_ratelimit())
+ pr_err("unexpected IRQ trap at vector %02x\n", irq);
-#ifdef CONFIG_X86_LOCAL_APIC
/*
* Currently unexpected vectors happen only on SMP and APIC.
* We _must_ ack these because every local APIC has only N
@@ -36,9 +37,7 @@ void ack_bad_irq(unsigned int irq)
* completely.
* But only ack when the APIC is enabled -AK
*/
- if (cpu_has_apic)
- ack_APIC_irq();
-#endif
+ ack_APIC_irq();
}
#define irq_stats(x) (&per_cpu(irq_stat, x))
@@ -188,7 +187,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
sum += irq_stats(cpu)->irq_thermal_count;
# ifdef CONFIG_X86_64
sum += irq_stats(cpu)->irq_threshold_count;
-#endif
+# endif
#endif
return sum;
}
@@ -223,14 +222,11 @@ unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
irq = __get_cpu_var(vector_irq)[vector];
if (!handle_irq(irq, regs)) {
-#ifdef CONFIG_X86_64
- if (!disable_apic)
- ack_APIC_irq();
-#endif
+ ack_APIC_irq();
if (printk_ratelimit())
- printk(KERN_EMERG "%s: %d.%d No irq handler for vector (irq %d)\n",
- __func__, smp_processor_id(), vector, irq);
+ pr_emerg("%s: %d.%d No irq handler for vector (irq %d)\n",
+ __func__, smp_processor_id(), vector, irq);
}
irq_exit();