07.12.2020 17:09, Paolo Bonzini пишет:
Il lun 7 dic 2020, 15:04 stsp <stsp2@xxxxxxxxx <mailto:stsp2@xxxxxxxxx>> ha scritto:Perhaps it would be good if guest cpuid to have a default values of KVM_GET_SUPPORTED_CPUID, so that the user doesn't have to do the needless calls to just copy host features to guest cpuid.It is too late to change that aspect of the API, unfortunately. We don't know how various userspaces would behave.
Which means some sensible behaviour already exists if I don't call KVM_SET_CPUID2. So what is it, #UD on CPUID? Would be good to have that documented.
