On 21/03/19 14:04, Peter Maydell wrote:
>>
>> were then removed in commit 9483cf27dd36 ("hppa-softmmu.mak: express
>> dependencies with Kconfig", 2019-03-07) and commit 87f9108bad0c ("ppc64:
>> Express dependencies of 'pseries' and 'powernv' machines with kconfig",
>> 2019-03-07), from files
>>
>> default-configs/hppa-softmmu.mak
>> default-configs/ppc64-softmmu.mak
>>
>> respectively.
>>
>>
>> Therefore I think commit 7c28b925b7e1 has the bug. The VIRTIO_VGA
>> restriction
>>
>> depends on VIRTIO_PCI
>>
>> should now be replaced with
>>
>> depends on VIRTIO_PCI && (PC || DINO || PSERIES)
> Should it? What makes the virtio-vga device only
> suitable for those three machines?
The idea was that to only support virtio-vga for those machines where
the firmware doesn't know about virtio-gpu and supported VGA legacy
hardware before virtio-{gpu,vga} were introduced.
I think this is a bug in libvirt, but at least for 4.0 it should be
fixed/worked around in QEMU.
Paolo
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