Re: [Xen-devel] Re: [GIT PULL] xen /proc/mtrr implementation

[Ingo Molnar <mingo@xxxxxxx>]

* Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:

> > - or introduce its own hypercall API based administration API,
> >   without bothering the guest kernel with crap. Trivially patch Xorg
> >   to make use of it and that's it.
> 
> PCI pass through mixed with that isn't going to be fun and PCI 
> pass through is one area where a lot of the MTRR manipulation is 
> meaningful and valid (and can be handled for the guest).

virtualizing that aspect of the CPU properly is certainly the 
highest grade approach.

> I really don't see why rd/wrmsr processing isn't sufficient for 
> this

/me neither.

        Ingo

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