Re: [Xen-devel] [PATCH] Rlibxl: refuse to try and migrate an HVM guest using qemu-xen

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("Re: [Xen-devel] [PATCH] Rlibxl: refuse to try and migrate 
an HVM guest using qemu-xen"):
> Actually I think -1 == INVALID would be wrong, the -1 here really means
> something went wrong internally to libxl. Anyway, I remember now that
> the reason I did it this was was to avoid the need to rewrite the other
> callsites for 4.2. In 4.3 we should make
> libxl__device_model_version_running return ERROR_foo or something valid,
> and perhaps add 0 == UNKNOWN as a member of the enum.

Yes.

> For now I think this will do:
..
> libxl: refuse to try and migrate an HVM guest using qemu-xen
> 
> libxl/qemu-upstream currently do not collude together to enable log-dirty mode
> and therefore migrations are unsafe. Refuse to even try for now.

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

Thanks,
Ian.

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