diff options
Diffstat (limited to 'target-i386/cpu.c')
| -rw-r--r-- | target-i386/cpu.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index d4f2e65cd9..78876f632b 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1368,6 +1368,32 @@ CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) return cpu_list; } +#ifdef CONFIG_KVM +static void filter_features_for_kvm(X86CPU *cpu) +{ + CPUX86State *env = &cpu->env; + KVMState *s = kvm_state; + + env->cpuid_features &= kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX); + + env->cpuid_ext_features &= kvm_arch_get_supported_cpuid(s, 1, 0, R_ECX); + + env->cpuid_ext2_features &= kvm_arch_get_supported_cpuid(s, 0x80000001, + 0, R_EDX); + env->cpuid_ext3_features &= kvm_arch_get_supported_cpuid(s, 0x80000001, + 0, R_ECX); + env->cpuid_svm_features &= kvm_arch_get_supported_cpuid(s, 0x8000000A, + 0, R_EDX); + + env->cpuid_kvm_features &= + kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX); + + env->cpuid_ext4_features &= kvm_arch_get_supported_cpuid(s, 0xC0000001, + 0, R_EDX); + +} +#endif + int cpu_x86_register(X86CPU *cpu, const char *cpu_model) { CPUX86State *env = &cpu->env; @@ -1425,6 +1451,10 @@ int cpu_x86_register(X86CPU *cpu, const char *cpu_model) ); env->cpuid_ext3_features &= TCG_EXT3_FEATURES; env->cpuid_svm_features &= TCG_SVM_FEATURES; + } else { +#ifdef CONFIG_KVM + filter_features_for_kvm(cpu); +#endif } object_property_set_str(OBJECT(cpu), def->model_id, "model-id", &error); if (error_is_set(&error)) { |