Re: [PATCH] KVM: PPC: Book3S HV: Fix pending_pri value in kvmppc_xive_get_icp()

2017-12-12 Thread Benjamin Herrenschmidt
On Tue, 2017-12-12 at 18:23 +0100, Laurent Vivier wrote: > When we migrate a VM from a POWER8 host (XICS) to a POWER9 host > (XICS-on-XIVE), we have an error: > > qemu-kvm: Unable to restore KVM interrupt controller state \ > (0xff00) for CPU 0: Invalid argument > > This is because

[PATCH] KVM: PPC: Book3S HV: Fix pending_pri value in kvmppc_xive_get_icp()

2017-12-12 Thread Laurent Vivier
When we migrate a VM from a POWER8 host (XICS) to a POWER9 host (XICS-on-XIVE), we have an error: qemu-kvm: Unable to restore KVM interrupt controller state \ (0xff00) for CPU 0: Invalid argument This is because kvmppc_xics_set_icp() checks the new state is internaly consistent, and