Re: [PATCH 2/2] x2apic, cluster: use all the members of one clusterspecified in the smp_affinity mask for the interrupt desintation

From: Ingo Molnar
Date: Tue May 22 2012 - 03:04:30 EST



* Suresh Siddha <suresh.b.siddha@xxxxxxxxx> wrote:

> If the HW implements round-robin interrupt delivery, this
> enables multiple cpu's (which are part of the user specified
> interrupt smp_affinity mask and belong to the same x2apic
> cluster) to service the interrupt.

Could/should we do something similar for regular APICs as well?
They too support masks and LowestPrio delivery - and doing that
will increase test coverage rather significantly.

Thanks,

Ingo
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