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x86: move ack_bad_irq into irq code

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Match i386, where we have this in the irq code. It belongs there.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner
2008-01-30 13:30:19 +01:00
committed by Ingo Molnar
parent 3e35a0e525
commit 87ebecf14c
2 changed files with 20 additions and 20 deletions
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20
arch/x86/kernel/apic_64.c
View File

@@ -169,26 +169,6 @@ int lapic_get_maxlvt(void)
return maxlvt; return maxlvt;
} }
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
*/
void ack_bad_irq(unsigned int irq)
{
printk("unexpected IRQ trap at vector %02x\n", irq);
/*
* Currently unexpected vectors happen only on SMP and APIC.
* We _must_ ack these because every local APIC has only N
* irq slots per priority level, and a 'hanging, unacked' IRQ
* holds up an irq slot - in excessive cases (when multiple
* unexpected vectors occur) that might lock up the APIC
* completely.
* But don't ack when the APIC is disabled. -AK
*/
if (!disable_apic)
ack_APIC_irq();
}
void clear_local_APIC(void) void clear_local_APIC(void)
{ {
int maxlvt; int maxlvt;

20
arch/x86/kernel/irq_64.c
View File

@@ -20,6 +20,26 @@
atomic_t irq_err_count; atomic_t irq_err_count;
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
*/
void ack_bad_irq(unsigned int irq)
{
printk(KERN_WARNING "unexpected IRQ trap at vector %02x\n", irq);
/*
* Currently unexpected vectors happen only on SMP and APIC.
* We _must_ ack these because every local APIC has only N
* irq slots per priority level, and a 'hanging, unacked' IRQ
* holds up an irq slot - in excessive cases (when multiple
* unexpected vectors occur) that might lock up the APIC
* completely.
* But don't ack when the APIC is disabled. -AK
*/
if (!disable_apic)
ack_APIC_irq();
}
#ifdef CONFIG_DEBUG_STACKOVERFLOW #ifdef CONFIG_DEBUG_STACKOVERFLOW
/* /*
* Probabilistic stack overflow check: * Probabilistic stack overflow check: