Rik van Riel wrote:
quoted text
>>
>> I imagine that many of the paravirt_ops mmu hooks will need to be 
>> exposed as pte notifiers.  This can't be done as part of the 
>> paravirt_ops code due to the need to pass high level data structures, 
>> though.
>
> Wait, I thought that paravirt_ops was all on the side of the
> guest kernel, where these host kernel operations are invisible?
>

It is, but the hooks are in much the same places.  It could be argued 
that you'd embed pte notifiers in paravirt_ops for a host kernel, but 
that's not doable because pte notifiers use higher-level data strutures 
(like vmas).

-- 
Any sufficiently difficult bug is indistinguishable from a feature.

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