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docs: Clarify /domain/cpu/@match description

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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Jiri Denemark 2017-03-02 14:53:18 +01:00
parent cab2c1af96
commit 38567e94de
1 changed files with 15 additions and 7 deletions
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22
docs/formatdomain.html.in
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@ -1217,8 +1217,8 @@
<dl>
<dt><code>cpu</code></dt>
<dd>The <code>cpu</code> element is the main container for describing
guest CPU requirements. Its <code>match</code> attribute specified how
strictly has the virtual CPU provided to the guest match these
guest CPU requirements. Its <code>match</code> attribute specifies how
strictly the virtual CPU provided to the guest matches these
requirements. <span class="since">Since 0.7.6</span> the
<code>match</code> attribute can be omitted if <code>topology</code>
is the only element within <code>cpu</code>. Possible values for the
@ -1227,13 +1227,21 @@
<dl>
<dt><code>minimum</code></dt>
<dd>The specified CPU model and features describes the minimum
requested CPU.</dd>
requested CPU. A better CPU will be provided to the guest if it
is possible with the requested hypervisor on the current host.
This is a constrained <code>host-model</code> mode; the domain
will not be created if the provided virtual CPU does not meet
the requirements.</dd>
<dt><code>exact</code></dt>
<dd>The virtual CPU provided to the guest will exactly match the
specification</dd>
<dd>The virtual CPU provided to the guest should exactly match the
specification. If such CPU is not supported, libvirt will refuse
to start the domain.</dd>
<dt><code>strict</code></dt>
<dd>The guest will not be created unless the host CPU does exactly
match the specification.</dd>
<dd>The domain will not be created unless the host CPU exactly
matches the specification. This is not very useful in practice
and should only be used if there is a real reason.</dd>
</dl>
<span class="since">Since 0.8.5</span> the <code>match</code>