powerpc/mpic: Simplify ipi cpu mask handling
Now that MSG_ALL and MSG_ALL_BUT_SELF have been eliminated, smp_mpic_mesage_pass no longer needs to lookup the cpumask just to have mpic_send_ipi extract part of it and recode it in a NR_CPUS loop by mpic_physmask. Signed-off-by: NMilton Miller <miltonm@bga.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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