On Tue, 3 Mar 2020 20:18:18 +0100
Cédric Le Goater wrote:
> >> BTW: I figured, I dont need this intermin patch to disable xive for
> >> secure VM. Just doing "svm=on xive=off" on the kernel command line is
> >> sufficient for now. *
> >>
> >
> > No it is not. If the hypervisor doesn't
>> BTW: I figured, I dont need this intermin patch to disable xive for
>> secure VM. Just doing "svm=on xive=off" on the kernel command line is
>> sufficient for now. *
>>
>
> No it is not. If the hypervisor doesn't propose XIVE (ie. ic-mode=xive
> on the QEMU command line), the kernel s
>>> 4) I'm guessing the problem with XIVE in SVM mode is that XIVE needs
>>> to write to event queues in guest memory, which would have to be
>>> explicitly shared for secure mode. That's true whether it's KVM
>>> or qemu accessing the guest memory, so kernel_irqchip=on/off is
>>>
