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SubjectRe: [PATCH] (Longhaul 1/5) PCI: Protect bus master DMA from Longhaul by rw semaphores
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Ar Iau, 2006-06-29 am 14:03 +0200, ysgrifennodd Bart Hartgers:
> > "snooping". So we do need the cache sorting out.
> >
>
> If I understand correctly, trouble occurs when the processor tries to
> snoop? Would disabling (via MSR) and flushing the caches before changing
> the frequency help in that case?

I would think so. Some other processors have similar requirements for
deep sleeping.

Alan

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