Re: [XEN PATCH] x86/hvm: make stdvga support optional

[Jan Beulich <jbeulich@xxxxxxxx>]

On 16.09.2024 08:37, Sergiy Kibrik wrote:
> 12.09.24 12:14, Roger Pau Monné:
>> Shouldn't Xen report an error if a user attempts to create a domain
>> with X86_EMU_VGA set in emulation_flags, but stdvga has been built
>> time disabled?
> 
> I'm afraid this can accidentally render the system unbootable, because 
> it looks like toolstack always sets X86_EMU_VGA flag.

Which would mean that further toolstack side changes are needed, if you
really want to pursue this route. The toolstack ought to be put in a
position to figure out whether the hypervisor has stdvga support for
HVM guests.

Jan