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

From: Yinghai Lu
Date: Tue May 22 2012 - 16:03:52 EST


On Mon, May 21, 2012 at 4:58 PM, Suresh Siddha
<suresh.b.siddha@xxxxxxxxx> wrote:
> We are now grouping all the cpu's in a cluster to one vector domain. So that
> will limit the total number of interrupt sources handled by Linux. Previously
> we support "cpu-count * available-vectors-per-cpu" interrupt sources but this
> will now reduce to "cpu-count/16 * available-vectors-per-cpu".

maybe could add some boot parameter to control cpu number in same
domain that is used instead of 16.

Thanks

Yinghai
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