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Subject[PATCH] affinity is not defined in non-smp kernels - x86_64
FromFernando Luis Vázquez Cao <>
DateWed, 28 Feb 2007 16:41:01 +0900
Initialize affinity only when building SMP kernels.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
---
--- linux-2.6.21-rc2-dtt/arch/x86_64/kernel/io_apic.c	2007-03-06 15:20:14.000000000 +0900
+++ linux-2.6.21-rc2-kdump/arch/x86_64/kernel/io_apic.c	2007-03-06 15:48:52.000000000 +0900
@@ -832,7 +832,9 @@ static void setup_IO_APIC_irq(int apic, 
 	ioapic_write_entry(apic, pin, entry);
 
 	spin_lock_irqsave(&ioapic_lock, flags);
+#ifdef CONFIG_SMP
 	irq_desc[irq].affinity = TARGET_CPUS;
+#endif
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 

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