Messages in this thread | | | Date | Wed, 30 Apr 2003 19:49:48 -0700 | From | William Lee Irwin III <> | Subject | Re: [RFC] clustered apic irq affinity fix for i386 |
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On Wed, Apr 30, 2003 at 07:22:05PM -0700, Andrew Morton wrote: > Is it not possible to fix set_ioapic_affinity() for real for clustered APIC > mode? What is involved in that?
The clustered hierarchical destination format formats destinations as
bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | -------------------------------------- | cluster id no | local cpumask | --------------------------------------
which can only describe 15*16 of the 2**60 nonempty subsets of 60 cpus.
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