diff options
| -rw-r--r-- | target-i386/cpu.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index f2c3583d6a..5e12556aa6 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1815,6 +1815,16 @@ CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) return cpu_list; } +static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w) +{ + FeatureWordInfo *wi = &feature_word_info[w]; + + assert(kvm_enabled()); + return kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax, + wi->cpuid_ecx, + wi->cpuid_reg); +} + /* * Filters CPU feature words based on host availability of each feature. * @@ -1822,20 +1832,14 @@ CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) * * Returns: 0 if all flags are supported by the host, non-zero otherwise. */ -static int filter_features_for_kvm(X86CPU *cpu) +static int x86_cpu_filter_features(X86CPU *cpu) { CPUX86State *env = &cpu->env; - KVMState *s = kvm_state; FeatureWord w; int rv = 0; - assert(kvm_enabled()); - for (w = 0; w < FEATURE_WORDS; w++) { - FeatureWordInfo *wi = &feature_word_info[w]; - uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax, - wi->cpuid_ecx, - wi->cpuid_reg); + uint32_t host_feat = x86_cpu_get_supported_feature_word(w); uint32_t requested_features = env->features[w]; env->features[w] &= host_feat; cpu->filtered_features[w] = requested_features & ~env->features[w]; @@ -2598,7 +2602,7 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp) env->features[FEAT_8000_0001_ECX] &= TCG_EXT3_FEATURES; env->features[FEAT_SVM] &= TCG_SVM_FEATURES; } else { - if (filter_features_for_kvm(cpu) && cpu->enforce_cpuid) { + if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) { error_setg(&local_err, "Host's CPU doesn't support requested features"); goto out; |