mirror of https://gitee.com/openkylin/linux.git
x86: move ack_bad_irq into irq code
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>
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@ -169,26 +169,6 @@ int lapic_get_maxlvt(void)
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return maxlvt;
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}
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/*
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* 'what should we do if we get a hw irq event on an illegal vector'.
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* each architecture has to answer this themselves.
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*/
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void ack_bad_irq(unsigned int irq)
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{
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printk("unexpected IRQ trap at vector %02x\n", irq);
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/*
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* Currently unexpected vectors happen only on SMP and APIC.
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* We _must_ ack these because every local APIC has only N
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* irq slots per priority level, and a 'hanging, unacked' IRQ
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* holds up an irq slot - in excessive cases (when multiple
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* unexpected vectors occur) that might lock up the APIC
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* completely.
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* But don't ack when the APIC is disabled. -AK
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*/
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if (!disable_apic)
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ack_APIC_irq();
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}
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void clear_local_APIC(void)
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{
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int maxlvt;
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@ -20,6 +20,26 @@
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atomic_t irq_err_count;
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/*
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* 'what should we do if we get a hw irq event on an illegal vector'.
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* each architecture has to answer this themselves.
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*/
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void ack_bad_irq(unsigned int irq)
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{
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printk(KERN_WARNING "unexpected IRQ trap at vector %02x\n", irq);
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/*
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* Currently unexpected vectors happen only on SMP and APIC.
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* We _must_ ack these because every local APIC has only N
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* irq slots per priority level, and a 'hanging, unacked' IRQ
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* holds up an irq slot - in excessive cases (when multiple
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* unexpected vectors occur) that might lock up the APIC
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* completely.
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* But don't ack when the APIC is disabled. -AK
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*/
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if (!disable_apic)
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ack_APIC_irq();
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}
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#ifdef CONFIG_DEBUG_STACKOVERFLOW
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/*
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* Probabilistic stack overflow check:
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