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

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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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8
docs/formatdomaincaps.html.in
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@ -249,9 +249,11 @@
The <code>mode</code> element contains a list of supported CPU The <code>mode</code> element contains a list of supported CPU
models, each described by a dedicated <code>model</code> element. models, each described by a dedicated <code>model</code> element.
The <code>usable</code> attribute specifies whether the model can The <code>usable</code> attribute specifies whether the model can
be used on the host. A special value <code>unknown</code> indicates be used directly on the host. When usable='no' the corresponding model
libvirt does not have enough information to provide the usability cannot be used without disabling some features that the CPU of such
data. model is expected to have. A special value <code>unknown</code>
indicates libvirt does not have enough information to provide the
usability data.
</dd> </dd>
</dl> </dl>