Re: [Xen-devel] [PATCH v6 5/6] xen/x86: add PHYSDEVOP_interrupt_control

[Jan Beulich <jbeulich@xxxxxxxx>]

On 23.09.2019 14:25, Marek Marczykowski-Górecki  wrote:
> What about this: HVM guest can already do all of this when qemu is
> running in dom0. So, allowing those actions when qemu is running in
> stubdomain should not introduce _additional_ risks.

Well, in a way - yes. But I don't think it's right to have qemu do
the direct writes it does (and I wouldn't be surprised if there
were still actual issues with this model). Hence it's not going to
be an improvement if this suspicious underlying design got
extended to other components.

Jan

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