diff options
| author | Eduardo Habkost <ehabkost@redhat.com> | 2014-02-19 11:58:10 -0300 |
|---|---|---|
| committer | Andreas Färber <afaerber@suse.de> | 2014-03-13 19:01:49 +0100 |
| commit | 5fcca9ff3b7bd6567bc1a9488f2481f163de46ba (patch) | |
| tree | 63523d410e3ef08d05635a0805feb07ff10f5341 | |
| parent | 74f54bc4bab8ccc5e0692c3aee479c155a701343 (diff) | |
target-i386: Make kvm_default_features an array
We will later make the KVM-specific code affect other feature words,
too.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
| -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, |