[PATCH] cpu_map: Introduce A64FX

[Daniel P. Berrangé]

On Wed, Aug 31, 2022 at 02:30:52PM +0200, Jiri Denemark wrote:
> On Wed, Aug 31, 2022 at 09:22:16 +0000, Liu Yiding wrote:
> > Add A64FX as a supported cpu model.
> > 
> > Signed-off-by: Liu Yiding <liuyd.fnst at fujitsu.com>
> > ---
> >  src/cpu_map/arm_A64FX.xml   | 6 ++++++
> >  src/cpu_map/arm_vendors.xml | 1 +
> >  src/cpu_map/index.xml       | 3 +++
> >  src/cpu_map/meson.build     | 1 +
> >  4 files changed, 11 insertions(+)
> >  create mode 100644 src/cpu_map/arm_A64FX.xml
> 
> CPU detection for ARM is a bit awkward and not very useful in practice.
> It will (in some cases) report the host CPU in host capabilities, but
> that's it. The CPU from host capabilities cannot really be used in
> general for specifying a guest CPU in domain XML and it would not even
> make a lot of sense as I believe the only really supported CPU for KVM
> is "host" (mode="host-passthrough" in domain XML).

This still lets it be used for a guest with TCG, which has no requirement
to use 'host'.

> I'm not saying the patch is wrong, I'm just trying to make sure you
> don't expect something more from implementing this patch.


With regards,
Daniel
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