diff options
author | Eduardo Habkost <ehabkost@redhat.com> | 2014-04-30 13:48:35 -0300 |
---|---|---|
committer | Andreas Färber <afaerber@suse.de> | 2014-06-25 23:54:56 +0200 |
commit | 84a6c6cd40687598c7e85d7de8095e08b5e636d7 (patch) | |
tree | b19e296c50ef08d16a37d7483081190ee385c71e /target-i386 | |
parent | d0a70f46fa9a3257089a56f2f620b0eff868557f (diff) |
target-i386: Filter KVM and 0xC0000001 features on TCG
TCG doesn't support any of the feature flags on FEAT_KVM and
FEAT_C000_0001_EDX feature words, so clear all bits on those feature
words.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'target-i386')
-rw-r--r-- | target-i386/cpu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 077df27b4b..38b007f304 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -585,7 +585,9 @@ struct X86CPUDefinition { TCG_EXT2_X86_64_FEATURES) #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \ CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A) +#define TCG_EXT4_FEATURES 0 #define TCG_SVM_FEATURES 0 +#define TCG_KVM_FEATURES 0 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \ CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX) /* missing: @@ -2606,6 +2608,8 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp) env->features[FEAT_8000_0001_EDX] &= TCG_EXT2_FEATURES; env->features[FEAT_8000_0001_ECX] &= TCG_EXT3_FEATURES; env->features[FEAT_SVM] &= TCG_SVM_FEATURES; + env->features[FEAT_KVM] &= TCG_KVM_FEATURES; + env->features[FEAT_C000_0001_EDX] &= TCG_EXT4_FEATURES; } else { if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) { error_setg(&local_err, |