diff options
Diffstat (limited to 'target-i386/cpu.c')
| -rw-r--r-- | target-i386/cpu.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index b32baf0df9..17fe45e84e 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -358,17 +358,22 @@ typedef struct model_features_t { FeatureWord feat_word; } model_features_t; -static uint32_t kvm_default_features = (1 << KVM_FEATURE_CLOCKSOURCE) | +/* KVM-specific features that are automatically added to all CPU models + * when KVM is enabled. + */ +static uint32_t kvm_default_features[FEATURE_WORDS] = { + [FEAT_KVM] = (1 << KVM_FEATURE_CLOCKSOURCE) | (1 << KVM_FEATURE_NOP_IO_DELAY) | (1 << KVM_FEATURE_CLOCKSOURCE2) | (1 << KVM_FEATURE_ASYNC_PF) | (1 << KVM_FEATURE_STEAL_TIME) | (1 << KVM_FEATURE_PV_EOI) | - (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT); + (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT), +}; void disable_kvm_pv_eoi(void) { - kvm_default_features &= ~(1UL << KVM_FEATURE_PV_EOI); + kvm_default_features[FEAT_KVM] &= ~(1UL << KVM_FEATURE_PV_EOI); } void host_cpuid(uint32_t function, uint32_t count, @@ -1853,8 +1858,12 @@ static void x86_cpu_load_def(X86CPU *cpu, const char *name, Error **errp) /* Special cases not set in the X86CPUDefinition structs: */ if (kvm_enabled()) { - env->features[FEAT_KVM] |= kvm_default_features; + FeatureWord w; + for (w = 0; w < FEATURE_WORDS; w++) { + env->features[w] |= kvm_default_features[w]; + } } + env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR; /* sysenter isn't supported in compatibility mode on AMD, |