Re: [Xen-devel] [PATCH] libxc: Add xc_domain_hvm_get_mtrr_type() call

[Razvan Cojocaru <rzvncj@xxxxxxxxx>]

>> Unfortunately, due to the design of components I don't control, my
>> application does not have the luxury of waiting for an MSR write event.
>
> Hmm.  In that case I guess you can't cache the MTRR state between
> lookups, which may be a performance problem for you.

Indeed, however I do need the ability to pull the MTRR type for a given 
address, via a userspace application, from the hypervisor.
I'll play around with the libxc implementation and see what I can come 
up with, then if it'll all seem to work out I'll send the patch to 
xen-devel.
Thanks,
Razvan Cojocaru


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