Re: [Xen-ia64-devel] Question: Special linux dom0 handling in vcpu_translate()

[tgingold@xxxxxxx]

Quoting Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxxxxxxx>:

> The question  is, should I add an optimization call specific to linux or
> specific to single optimization features.

I'd prefer single optimization features (using a bit set) but it's just
my opinion.

> Are there any other implicit optimisations for linux in the hypervisor?

AFAIK no, but it really depends on what you call optimizations.

> I would add an hypercall. This can be called in setup_arch() after
> setup_xen_features().
Seems OK.  I think you'd better to use a private hypercall (num > 0x100)

>  The struct arch_domain has to be extended with an optimisation flag.
> What is your opinion?
VTi already has a few flags.  I don't remember if you can reuse the field but
adding a new one is ok (for me).

Tristan.

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