From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx> Because TDX doesn't support KVM_SET_IDENTITY_MAP_ADDR. Return KVM_CAP_SET_IDENTITY_MAP_ADDR as unsupported. Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx> --- arch/x86/kvm/x86.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 77e83e20180a..fd282e5efec1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4236,7 +4236,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_IOEVENTFD_NO_LENGTH: case KVM_CAP_PIT2: case KVM_CAP_PIT_STATE2: - case KVM_CAP_SET_IDENTITY_MAP_ADDR: case KVM_CAP_VCPU_EVENTS: case KVM_CAP_HYPERV: case KVM_CAP_HYPERV_VAPIC: @@ -4389,6 +4388,12 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_DISABLE_QUIRKS2: r = KVM_X86_VALID_QUIRKS; break; + case KVM_CAP_SET_IDENTITY_MAP_ADDR: + if (kvm && kvm->arch.vm_type == KVM_X86_TDX_VM) + r = 0; + else + r = 1; + break; case KVM_CAP_VM_TYPES: r = BIT(KVM_X86_DEFAULT_VM); if (static_call(kvm_x86_is_vm_type_supported)(KVM_X86_TDX_VM)) -- 2.25.1
