From: Yan Zhao <yan.y.zhao@xxxxxxxxx> TDX does not support write protection and hence page track. Though !tdp_enabled and kvm_shadow_root_allocated(kvm) are always false for TD guest, should also return false when external write tracking is enabled. Cc: Yuan Yao <yuan.yao@xxxxxxxxxxxxxxx> Signed-off-by: Yan Zhao <yan.y.zhao@xxxxxxxxx> Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx> --- arch/x86/kvm/mmu/page_track.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kvm/mmu/page_track.c b/arch/x86/kvm/mmu/page_track.c index 0a2ac438d647..571c2c40004a 100644 --- a/arch/x86/kvm/mmu/page_track.c +++ b/arch/x86/kvm/mmu/page_track.c @@ -22,6 +22,9 @@ bool kvm_page_track_write_tracking_enabled(struct kvm *kvm) { + if (kvm->arch.vm_type == KVM_X86_TDX_VM) + return false; + return IS_ENABLED(CONFIG_KVM_EXTERNAL_WRITE_TRACKING) || !tdp_enabled || kvm_shadow_root_allocated(kvm); } -- 2.25.1