mirror of https://github.com/xemu-project/xemu.git
061817a7cc
Hyper-V feature leaves are weird. We have some of them in feature_word_info[] array but we don't use feature_word_info magic to enable them. Neither do we use feature_dependencies[] mechanism to validate the configuration as it doesn't allign well with Hyper-V's many-to-many dependency chains. Some of the feature leaves hold not only feature bits, but also values. E.g. FEAT_HV_NESTED_EAX contains both features and the supported Enlightened VMCS range. Hyper-V features are already represented in 'struct X86CPU' with uint64_t hyperv_features so duplicating them in env->features adds little (or zero) benefits. THe other half of Hyper-V emulation features is also stored with values in hyperv_vendor_id[], hyperv_limits[],... so env->features[] is already incomplete. Remove Hyper-V feature leaves from env->features[] completely. kvm_hyperv_properties[] is converted to using raw CPUID func/reg pairs for features, this allows us to get rid of hv_cpuid_get_fw() conversion. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20210422161130.652779-8-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> |
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