Re: [Qemu-devel] [PATCH v2] i386: Add new Hygon 'Dhyana' CPU model

[Pu Wen]

On 2019/4/16 4:40, Eduardo Habkost wrote:
> On Sat, Apr 13, 2019 at 10:54:40AM +0800, Pu Wen wrote:
> > Add a new base CPU model called 'Dhyana' to model processors from Hygon
> > Dhyana(family 18h), which derived from AMD EPYC(family 17h).
> >
> > The following features bits have been removed compare to AMD EPYC:
> > aes, pclmulqdq, sha_ni
> >
> > The Hygon Dhyana support to KVM in Linux is already accepted upstream[1].
> > So add Hygon Dhyana support to Qemu is necessary to create Hygon's own
> > CPU model.
> >
> > Reference:
> > [1] https://git.kernel.org/tip/fec98069fb72fb656304a3e52265e0c2fc9adf87
> >
> > Signed-off-by: Pu Wen <address@hidden>
>
> Thanks for the patch.
>
> I'm wondering if we should let the CPU model be used only on
> Hygon hosts, to avoid confusion.

Yes, it should be. But how to achieve this?

--
Regards,
Pu Wen