Commit 87ebecf1 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

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

arch/x86/kernel/apic_64.c

+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;

arch/x86/kernel/irq_64.c

+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: