Messages in this thread Patch in this message | | | Subject | [PATCH] affinity is not defined in non-smp kernels - i386 (v2) | From | Fernando Luis Vázquez Cao <> | Date | Wed, 28 Feb 2007 16:42:50 +0900 |
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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;
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