[PATCH v2 1/4] Document and parser support for the Virtio free page reporting feature.

Pavel Hrdina phrdina at redhat.com
Wed Oct 14 11:51:31 UTC 2020


On Wed, Oct 14, 2020 at 12:26:57PM +0100, Daniel P. Berrangé wrote:
> On Mon, Oct 12, 2020 at 07:35:36PM -0400, Nico Pache wrote:
> > This will add the proper documentation and parser support for the free page
> > reporting feature that is introduced in QEMU 5.1.
> > 
> > Signed-off-by: Nico Pache <npache at redhat.com>
> > ---
> >  docs/formatdomain.rst         |  6 ++++++
> >  docs/schemas/domaincommon.rng |  5 +++++
> >  src/conf/domain_conf.c        | 21 +++++++++++++++++++++
> >  src/conf/domain_conf.h        |  1 +
> >  4 files changed, 33 insertions(+)
> > 
> > diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
> > index df5ac28028..e75b360b32 100644
> > --- a/docs/formatdomain.rst
> > +++ b/docs/formatdomain.rst
> > @@ -6755,6 +6755,12 @@ Example: manually added device with static PCI slot 2 requested
> >     release some memory at the last moment before a guest's process get killed by
> >     Out of Memory killer. :since:`Since 1.3.1, QEMU and KVM only`
> >  
> > +``free-page-reporting``
> > +   The optional ``free-page-reporting`` attribute allows to enable/disable
> > +   ("on"/"off", respectively) the ability of the QEMU virtio memory balloon to
> > +   return unused pages back to the hypervisor to be used by other guests or
> > +   processes. :since:`Since 5.1, QEMU and KVM only`
> 
> This has already been merged, but using hyphens in XML attribute names
> is not common practice in libvirt. We usually use underscore, or
> initialCaps styles.

I would say we can still change the naming as it was not released.

Pavel
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