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SubjectRe: [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH
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On 07/12/18 00:11, Boris Ostrovsky wrote:
> On 12/6/18 5:49 PM, Paolo Bonzini wrote:
>> On 06/12/18 23:34, Boris Ostrovsky wrote:
>>> On 12/6/18 5:11 PM, Paolo Bonzini wrote:
>>>
>>>> and also
>>>>
>>>> depends on !EFI
>>>>
>>>> because even though in principle it would be possible to write a PVH
>>>> loader for UEFI, PVH's start info does not support the EFI handover
>>>> protocol.
>>> But we should be able to build the binary with both EFI and PVH?
>> Can you? It's a completely different binary format, the EFI handover
>> protocol is invoked via a special entry point and needs the Linux header
>> format, not ELF.
>
> Right, but I think it is desirable to be able to build both from the
> same config file.

Ah, "make bzImage" and use the vmlinux for PVH, because PVH fetches the
entry point from the special note. That's clever. :)

I don't see why it should not work, and if so the "depends on !EFI" is
indeed unnecessary.

Paolo

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