diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/intc/arm_gic_kvm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c index 9deb15e7e6..d7df423a7a 100644 --- a/hw/intc/arm_gic_kvm.c +++ b/hw/intc/arm_gic_kvm.c @@ -551,7 +551,16 @@ static void kvm_arm_gic_realize(DeviceState *dev, Error **errp) KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true, &error_abort); } + } else if (kvm_check_extension(kvm_state, KVM_CAP_DEVICE_CTRL)) { + error_setg_errno(errp, -ret, "error creating in-kernel VGIC"); + error_append_hint(errp, + "Perhaps the host CPU does not support GICv2?\n"); } else if (ret != -ENODEV && ret != -ENOTSUP) { + /* + * Very ancient kernel without KVM_CAP_DEVICE_CTRL: assume that + * ENODEV or ENOTSUP mean "can't create GICv2 with KVM_CREATE_DEVICE", + * and that we will get a GICv2 via KVM_CREATE_IRQCHIP. + */ error_setg_errno(errp, -ret, "error creating in-kernel VGIC"); return; } |