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Re: [Qemu-devel] [Qemu-ppc] [PATCH v4 0/9] Core based CPU hotplug for Po

From: Bharata B Rao
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v4 0/9] Core based CPU hotplug for PowerPC sPAPR
Date: Thu, 16 Jun 2016 09:19:52 +0530
User-agent: Mutt/1.5.23 (2014-03-12)

On Wed, Jun 15, 2016 at 04:04:14PM +1000, David Gibson wrote:
> On Fri, Jun 10, 2016 at 03:14:14PM +1000, David Gibson wrote:
> > On Fri, Jun 10, 2016 at 06:28:59AM +0530, Bharata B Rao wrote:
> > > Hi,
> > > 
> > > This is the next version of the CPU hotplug patchset for PowerPC
> > > sPAPR target. The hotplug semantics looks like this:
> > > 
> > > (qemu) device_add POWER8E-spapr-cpu-core,id=core2,core-id=16[,threads=4]
> > > (qemu) device_add host-spapr-cpu-core,id=core2,core-id=16[,threads=4]
> > > (qemu) device_add
> > > POWER8E_v2.1-spapr-cpu-core,id=core2,core-id=16[,threads=4]
> > 
> > I've merged these to my ppc-cpu-hotplug branch, and I'm doing some
> > testing.  It it checks out, I hope to send a pull request.
> I've now merged this into my main ppc-for-2.7 branch.  I'll be doing
> some testing, obviously, but I'd certain appreciate any other tests of
> this branch with the hotplug code.

David, I don't see the unplug patch in your tree, intentional ?

Also I am working on supporting the CPU compat settings with the following

-cpu host,power7 -device host-spapr-cpu-core,compat-cpu=power7

Whatever CPU compat level that is specifed with -cpu host is considered
as base and the compat-cpu property specified with -device will be
validated against the base compat level. And this property 'compat-cpu'
will be supported only for host-spapr-cpu-core type.

Is this semantics fine ?


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