In the case that the new vector mask is a subset of the existing mask there is no point to do a AND operation of currentmask & newmask. The result is newmask. So we can simply copy the new mask to the current mask and be done with it. Preparatory patch for further consolidation. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/apic/vector.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -154,7 +154,7 @@ static int __assign_irq_vector(int irq, vector_cpumask); d->move_in_progress = cpumask_intersects(d->old_domain, cpu_online_mask); - cpumask_and(d->domain, d->domain, vector_cpumask); + cpumask_copy(d->domain, vector_cpumask); goto success; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/