[Xen-devel] Re: [PATCH] xen: remove XEN_PLATFORM_PCI config option

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 09/27/2011 07:46 AM, Stefano Stabellini wrote:
> On Fri, 23 Sep 2011, Jeremy Fitzhardinge wrote:
>> On 09/23/2011 04:19 AM, stefano.stabellini@xxxxxxxxxxxxx wrote:
>>> From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
>>>
>>> Xen PVHVM needs xen-platform-pci, on the other hand xen-platform-pci is
>>> useless in any other cases.
>>> Therefore remove the XEN_PLATFORM_PCI config option and compile
>>> xen-platform-pci built-in if XEN_PVHVM is selected.
>> What happens if you disable CONFIG_PCI?
>>
>> I think XEN_PLATFORM_PCI still needs to exist, but just not user-visible.
> What if we add CONFIG_PCI as a dependency of XEN_PVHVM?
>
> It is not like it is going to be useful to run a PV on HVM guest without
> PV drivers.

In principle you could have a domain with emulated ISA IDE and net but
with PV time, etc.  But yeah, not very useful in practice.  I think
making PVHVM depend on PCI is fine.

    J


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel