[PATCH] affinity is not defined in non-smp kernels - i386 (v2)

Fernando Luis Vázquez Cao
2007-02-28T07:42:24Z

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/i386/kernel/io_apic.c 2007-03-06 15:20:14.000000000 +0900
+++ linux-2.6.21-rc2-kdump/arch/i386/kernel/io_apic.c 2007-03-06 15:51:45.000000000 +0900
@@ -1354,7 +1354,9 @@ static void __init setup_IO_APIC_irqs(vo
}
spin_lock_irqsave(&ioapic_lock, flags);
__ioapic_write_entry(apic, pin, entry);
+#ifdef CONFIG_SMP
irq_desc[irq].affinity = TARGET_CPUS;
+#endif
spin_unlock_irqrestore(&ioapic_lock, flags);
}
}
@@ -2875,7 +2877,9 @@ int io_apic_set_pci_routing (int ioapic,

spin_lock_irqsave(&ioapic_lock, flags);
__ioapic_write_entry(ioapic, pin, entry);
+#ifdef CONFIG_SMP
irq_desc[irq].affinity = TARGET_CPUS;
+#endif
spin_unlock_irqrestore(&ioapic_lock, flags);

return 0;