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Re: [PATCH v2] cphp: remove deprecated cpu-add command(s)



On Mon, 14 Sep 2020 10:07:36 +0200
Michal Privoznik <mprivozn redhat com> wrote:

> On 9/14/20 9:46 AM, Igor Mammedov wrote:
> > theses were deprecated since 4.0, remove both HMP and QMP variants.
> > 
> > Users should use device_add command instead. To get list of
> > possible CPUs and options, use 'info hotpluggable-cpus' HMP
> > or query-hotpluggable-cpus QMP command.
> > 
> > Signed-off-by: Igor Mammedov <imammedo redhat com>
> > Reviewed-by: Thomas Huth <thuth redhat com>
> > Acked-by: Dr. David Alan Gilbert <dgilbert redhat com>
> > ---
> >   include/hw/boards.h         |   1 -
> >   include/hw/i386/pc.h        |   1 -
> >   include/monitor/hmp.h       |   1 -
> >   docs/system/deprecated.rst  |  25 +++++----
> >   hmp-commands.hx             |  15 ------
> >   hw/core/machine-hmp-cmds.c  |  12 -----
> >   hw/core/machine-qmp-cmds.c  |  12 -----
> >   hw/i386/pc.c                |  27 ----------
> >   hw/i386/pc_piix.c           |   1 -
> >   hw/s390x/s390-virtio-ccw.c  |  12 -----
> >   qapi/machine.json           |  24 ---------
> >   tests/qtest/cpu-plug-test.c | 100 ++++--------------------------------
> >   tests/qtest/test-hmp.c      |   1 -
> >   13 files changed, 21 insertions(+), 211 deletions(-)  
> 
> Thanks to Peter Libvirt uses device_add instead cpu_add whenever 
> possible. Hence this is okay from Libvirt's POV.
we shoul make libvirt switch from -numa node,cpus= to -numa cpu=
to get rid of the 'last' interface that uses cpu-index as input.

To help libvirt to migrate existing configs from older syntax to
the newer one, we can introduce field x-cpu-index to
query-hotplugable-cpus output (with a goal to deprecate it in few years).
Would it work for you?

> 
> Reviewed-by: Michal Privoznik <mprivozn redhat com>
Thanks!

> 
> Michal
> 


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