[PATCH 1/2] conf: Introduce TCG domain features
Kashyap Chamarthy
kchamart at redhat.com
Fri Nov 5 08:16:46 UTC 2021
On Thu, Nov 04, 2021 at 06:16:19PM +0000, Daniel P. Berrangé wrote:
> On Thu, Nov 04, 2021 at 07:08:53PM +0100, Kashyap Chamarthy wrote:
> > On Thu, Nov 04, 2021 at 01:22:52PM +0100, Michal Privoznik wrote:
> > > It may come handy to be able to tweak TCG options, in this
> > > specific case the size of translation block cache size (tb-size).
> > > Since we can expect more knobs to tweak let's put them under
> > > common element, like this:
> > >
> > > <domain>
> > > <features>
> > > <tcg>
> > > <tb-cache unit='MiB'>128</tb-cache>
> >
> > Any objection to using underscore (tb_cache), instead of hyphen
> > (tb-cache)? I realize the QEMU option uses the hyphen.
>
> We're not entirely consistent, but use of "-" is quite typical
> in the features:
>
> <kvm>
> <hidden state='on'/>
> <hint-dedicated state='on'/>
> <poll-control state='on'/>
> <pv-ipi state='off'/>
> </kvm>
>
> So I think it is right as is.
Fair enough. I asked becuase I did spot the inconsistencies in the
other elements under the <features> element, for other hypervisors:
<hyperv>
...
<vendor_id state='on' value='KVM Hv'/>
</hyperv>
...
<xen>
<e820_host state='on'/>
<passthrough state='on' mode='share_pt'/>
</xen>
...
--
/kashyap
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