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Commit 87ebecf1 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
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x86: move ack_bad_irq into irq code



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

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 3e35a0e5
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+0 −20
Original line number Diff line number Diff line
@@ -169,26 +169,6 @@ int lapic_get_maxlvt(void)
	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)
{
	int maxlvt;
+20 −0
Original line number Diff line number Diff line
@@ -20,6 +20,26 @@

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
/*
 * Probabilistic stack overflow check: