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-rw-r--r--target-i386/cpu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 8983457e23..23ce915f63 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -373,6 +373,12 @@ static uint32_t kvm_default_features[FEATURE_WORDS] = {
[FEAT_1_ECX] = CPUID_EXT_X2APIC,
};
+/* Features that are not added by default to any CPU model when KVM is enabled.
+ */
+static uint32_t kvm_default_unset_features[FEATURE_WORDS] = {
+ [FEAT_1_ECX] = CPUID_EXT_MONITOR,
+};
+
void x86_cpu_compat_disable_kvm_features(FeatureWord w, uint32_t features)
{
kvm_default_features[w] &= ~features;
@@ -1888,6 +1894,7 @@ static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
FeatureWord w;
for (w = 0; w < FEATURE_WORDS; w++) {
env->features[w] |= kvm_default_features[w];
+ env->features[w] &= ~kvm_default_unset_features[w];
}
}