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docs: Clarify semantics of model/@usable attribute in dom caps 

The documentation could confuse people to expect that CPU models with
usable='no' attribute are not usable at all on the current host. But
they cannot be only used without explicitly disabling some features.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Jiri Denemark 2020-03-27 21:05:28 +01:00
parent c360ea28dc
commit e4bf03b8ff
1 changed files with 5 additions and 3 deletions
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docs/formatdomaincaps.html.in
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@ -249,9 +249,11 @@
The <code>mode</code> element contains a list of supported CPU
models, each described by a dedicated <code>model</code> element.
The <code>usable</code> attribute specifies whether the model can
be used on the host. A special value <code>unknown</code> indicates
libvirt does not have enough information to provide the usability
data.
be used directly on the host. When usable='no' the corresponding model
cannot be used without disabling some features that the CPU of such
model is expected to have. A special value <code>unknown</code>
indicates libvirt does not have enough information to provide the
usability data.
</dd>
</dl>