On Wed, 11 Mar 2020 at 13:16, Eric Auger <eric.au...@redhat.com> wrote: > > At the moment if the end-user does not specify the gic-version along > with KVM acceleration, v2 is set by default. However most of the > systems now have GICv3 and sometimes they do not support GICv2 > compatibility. In that case we now end up with the following error: > > "qemu-system-aarch64: Initialization of device kvm-arm-gic failed: > error creating in-kernel VGIC: No such device > Perhaps the host CPU does not support GICv2?" > > since "1904f9b5f1 hw/intc/arm_gic_kvm: Don't assume kernel can > provide a GICv2" which already allowed to output an explicit error > message. > > This patch keeps the default v2 selection in all cases except > in the KVM accelerated mode when v2 cannot work: > - either because the host does not support v2 in-kernel emulation or > - because more than 8 vcpus were requested. > > Those cases did not work anyway so we do not break any compatibility. > Now we get v3 selected in such a case.
Applied to target-arm.next, thanks. -- PMM
