Messages in this thread | | | Date | Fri, 24 Oct 2008 16:18:18 -0700 (PDT) | Subject | Re: default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems) | From | David Miller <> |
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From: Kumar Gala <galak@kernel.crashing.org> Date: Fri, 24 Oct 2008 10:39:05 -0500
> As for making it ARCH specific, that doesn't really help since not > all PPC hw has the limitation I spoke of. Not even all MPIC (in our > cases) have the limitation.
Since the PPC code knows exactly which MPICs have the problem the PPC code is where the constraining can occur.
I agree completely with the suggestion that the arch code has to interpret the cpumask as appropriate for the hardware, since the user can stick "illegal" values there anyways.
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