Messages in this thread | | | Subject | Re: [PATCH v6] x86/apic: limit irq affinity | From | (Eric W. Biederman) | Date | Sat, 21 Nov 2009 10:49:50 -0800 |
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Dimitri Sivanich <sivanich@sgi.com> writes:
> This patch allows for hard numa restrictions to irq affinity on x86 systems. > > Affinity is masked to allow only those cpus which the subarchitecture > deems accessible by the given irq. > > On some UV systems, this domain will be limited to the nodes accessible > to the irq's node. Initially other X86 systems will not mask off any cpus > so non-UV systems will remain unaffected.
Is this a hardware restriction you are trying to model? If not this seems wrong.
Eric
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