x86: move ack_bad_irq() to irq.c

Share more duplicated code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 23 deletions

diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 6d9bf3936c78..a51382672de0 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -25,29 +25,6 @@ EXPORT_PER_CPU_SYMBOL(irq_stat);
 DEFINE_PER_CPU(struct pt_regs *, irq_regs);
 EXPORT_PER_CPU_SYMBOL(irq_regs);
 
-/*
- * '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_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
-         * 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 only ack when the APIC is enabled -AK
-         */
-        if (cpu_has_apic)
-                ack_APIC_irq();
-#endif
-}
-
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
 /* Debugging check for stack overflow: is there less than 1KB free? */
 static int check_stack_overflow(void)