a7701b61f6
If VM runs in kvm mode, VM mode is added in IOCSR feature register. So guest can detect kvm hypervisor type and enable possible pv functions. Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn> Message-Id: <20240514025109.3238398-1-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>