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Re: [PATCH 1/3] i386: Add missing "vmx-ept-wb" feature name


From: Paolo Bonzini
Subject: Re: [PATCH 1/3] i386: Add missing "vmx-ept-wb" feature name
Date: Tue, 2 Feb 2021 00:28:38 +0100



Il mar 2 feb 2021, 00:05 Eduardo Habkost <ehabkost@redhat.com> ha scritto:
On Mon, Feb 01, 2021 at 11:59:48PM +0100, Paolo Bonzini wrote:
> Il lun 1 feb 2021, 23:54 Eduardo Habkost <ehabkost@redhat.com> ha scritto:
>
> > Not having a feature name in feature_word_info breaks error
> > reporting and query-cpu-model-expansion.  Add the missing feature
> > name to feature_word_info[FEAT_VMX_EPT_VPID_CAPS].feat_names[14].
> >
> This is intentional, because there's no way that any hypervisor can run if
> this feature is disabled.

If leaving the feature without name enables some desirable
behavior, that's by accident and not by design.  Which part of
the existing behavior is intentional?

Not being able to disable it.

Paolo


--
Eduardo


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