Re: [Xen-devel] [PATCH v10 10/11] xen: add new Xen cpuid node for max address width info

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.09.17 at 12:00, <jgross@xxxxxxxx> wrote:
> On very large hosts a pv-guest needs to know whether it will have to
> handle frame numbers larger than 32 bits in order to select the
> appropriate grant interface version.
> 
> Add a new Xen specific CPUID node to contain the maximum machine address
> width similar to the x86 CPUID node 0x80000008 containing the maximum
> physical address width. The maximum frame width needs to take memory
> hotplug into account.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

But still going to wait for a little while for possible other feedback,
in particular by Andrew.

Jan


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