On 18/02/20 18:27, Olaf Hering wrote:
> The approach below (making 'xenfv' an alias of 'pc') does not work:
> xen_enabled() is false when pc_i440fx_3_1_machine_options runs.

Don't use an alias, copy the 3.1 code into the xenfv machine type and/or
call the 3.1 functions from the xenfv machine type.

Paolo

> So, how is this incompatibility between qemu2/3 and qemu4+ supposed to be 
> fixed?
> Using '-machine pc,accel=xen -device xen-platform' is incompatible
> with '-machine xenpv' because the platform device has a different PCI
> address. As such it is not migrateable.

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