diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6afffdcc656e17237296890b29bbde696d974be0..83d215d43eb3ac8751104074a0aee29409a7c8e4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1673,10 +1673,14 @@ static void update_ia32_tsc_adjust_msr(struct kvm_vcpu *vcpu, s64 offset)
  * point number (mult + frac * 2^(-N)).
  *
  * N equals to kvm_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_tsc_scaling_ratio_frac_bits);
+	u64 _tsc = mul_u64_u64_shr(tsc, ratio, kvm_tsc_scaling_ratio_frac_bits);
+
+	return  !_tsc ? 1 : _tsc;
 }
 
 u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc)