ppc64: Only use irq balancing on openpic for the moment

4bc583b4 · Anton Blanchard · 6a7644b2 · 4bc583b4
Commit 4bc583b4 authored Jun 08, 2002 by Anton Blanchard
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arch/ppc64/kernel/irq.c arch/ppc64/kernel/irq.c +3 -1

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--- a/arch/ppc64/kernel/irq.c
+++ b/arch/ppc64/kernel/irq.c
@@ -474,6 +474,8 @@ void ppc_irq_dispatch_handler(struct pt_regs *regs, int irq)
 	int cpu = smp_processor_id();
 	irq_desc_t *desc = irq_desc + irq;
+	/* XXX This causes bad performance and lockups on XICS - Anton */
+	if (naca->interrupt_controller == IC_OPEN_PIC)
 		balance_irq(irq);
 	kstat.irqs[cpu][irq]++;