diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1fa5d89f8d279bceb00c393b765cc08a06c7bc67..57a12f2a4642108a955dc9f6f5257171b2872698 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2605,10 +2605,14 @@ static void kvm_track_tsc_matching(struct kvm_vcpu *vcpu)
  * point number (mult + frac * 2^(-N)).
  *
  * N equals to kvm_caps.tsc_scaling_ratio_frac_bits.
+ *
+ * return 1 if _tsc is 0.
  */
 static inline u64 __scale_tsc(u64 ratio, u64 tsc)
 {
-	return mul_u64_u64_shr(tsc, ratio, kvm_caps.tsc_scaling_ratio_frac_bits);
+	u64 _tsc = mul_u64_u64_shr(tsc, ratio, kvm_caps.tsc_scaling_ratio_frac_bits);
+	 
+	return  !_tsc ? 1 : _tsc;
 }
 
 u64 kvm_scale_tsc(u64 tsc, u64 ratio)