Re: [Xen-devel] [PATCH v2 08/23] vixen: allow dom0 to be created with a domid != 0

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Sun, Jan 07, 2018 at 12:28:24PM -0800, Anthony Liguori wrote:
> From: Anthony Liguori <aliguori@xxxxxxxxxx>
> 
> Some older guests special case domid=0 instead of checking the
> shared info flags so in order to get PV drivers loaded properly,
> we need to make the guest always appear with a domid != 0.
> 
> While the Vixen domain is the hardware domain, we don't want it
> to behave that way so we also modify the is_hardware_domain()
> check.
> 
> Signed-off-by: Anthony Liguori <aliguori@xxxxxxxxxx>
> ---
> v1 -> v2
>  - allow vixen domain id to be overridden via the Xen command line

This patch will can be broken up into two:

1. A patch that modifies is_hardware_domain.
2. A patch that adds the domid command line option.

But I think the first patch is not required because the pv-in-pvh shim
works fine even if the guest is not hardware domain.

Please don't do any real work yet -- we need to agree on the things
in the my reply to the cover letter first.

Wei.

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