Re: [Xen-devel] [PATCH v4 3/3] xen: prevent access to HPET from Dom0

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.01.15 at 13:10, <roger.pau@xxxxxxxxxx> wrote:
> Prevent Dom0 from accessing HPET MMIO region by adding the HPET mfn to the
> list of forbiden memory regions (if ACPI_HPET_PAGE_PROTECT4 or
> ACPI_HPET_PAGE_PROTECT64 flag is set) or to the list of read-only regions.
> 
> Also provide an option that prevents adding the HPET to the read-only memory
> regions called ro-hpet, in case there are systems that put other stuff in
> the HPET page.
> 
> Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>

I had to fiddle with this a little before committing - please double
check.

Jan

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