[libvirt] [PATCH 3/5] qemu: add QEMU_CAPS_MACHINE_VMPORT_OPT

Marc-André Lureau marcandre.lureau at gmail.com
Mon Apr 20 12:39:44 UTC 2015


On Tue, Apr 14, 2015 at 6:07 PM, Eric Blake <eblake at redhat.com> wrote:

> > +    { "machine", "vmport", QEMU_CAPS_MACHINE_VMPORT_OPT },
> Ouch.  qemu commit 0a7cf21 fixes what would have been a regression in
> 2.3 at exposing "mem-merge" through query-command-line-options, but it
> does NOT expose "vmport", which is a per-architecture option rather than
> a generic -machine option.  Which means that even though qemu 2.2
> (perhaps wrongly) advertised "vmport" for all machines (even when it was
> not supported), 2.3 will not advertise it, and we are hoping for a
> better solution in 2.4 for properly advertising vmport on an
> as-appropriate basis.

Thanks Eric for finding out this regression.

Is anybody working on a better solution? I can imagine either a new qmp
machine-list-properties, or perhaps more reasonably a new properties array
in query-machines reply.

Marc-André Lureau
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