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Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 357b9e3a6cefe..93636f77c42d8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6188,6 +6188,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
u32 user_tsc_khz;
r = -EINVAL;
+
+ if (vcpu->arch.guest_tsc_protected)
+ goto out;
+
user_tsc_khz = (u32)arg;
if (kvm_caps.has_tsc_control &&