Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-05-03 Thread Andreas Färber
Hi, Am 03.05.2013 15:50, schrieb Jason J. Herne: > I've done some investigating into using the device_add hmp/qmp command > to support hot-plugging cpus on S390. The alternative suggestion was to > simply use a new cpu_add hmp/qmp command. A cpu-add QMP command has been merged by now. Using it w

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-05-03 Thread Igor Mammedov
On Fri, 03 May 2013 09:50:50 -0400 "Jason J. Herne" wrote: > I've done some investigating into using the device_add hmp/qmp command > to support hot-plugging cpus on S390. The alternative suggestion was to > simply use a new cpu_add hmp/qmp command. > > device_add accepts all of the same opti

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-05-03 Thread Jason J. Herne
I've done some investigating into using the device_add hmp/qmp command to support hot-plugging cpus on S390. The alternative suggestion was to simply use a new cpu_add hmp/qmp command. device_add accepts all of the same options as the -device command line parameter takes. This would imply th

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-04-19 Thread Eduardo Habkost
On Fri, Apr 19, 2013 at 09:13:32PM +0200, Christian Borntraeger wrote: > On 19/04/13 15:16, Andreas Färber wrote: > [...] > >>> Background is that for x86 we currently have a flat CPU core/thread > >>> namespace but would need to deal with sockets, cores and threads to get > >>> topologies right. I

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-04-19 Thread Christian Borntraeger
On 19/04/13 15:16, Andreas Färber wrote: [...] >>> Background is that for x86 we currently have a flat CPU core/thread >>> namespace but would need to deal with sockets, cores and threads to get >>> topologies right. I assume there are no such issues on s390x, so that >>> the vCPU to CPUState mappi

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-04-19 Thread Igor Mammedov
On Fri, 19 Apr 2013 15:16:36 +0200 Andreas Färber wrote: > Am 19.04.2013 09:51, schrieb Jens Freimann: > > On Wed, Apr 17, 2013 at 08:06:37PM +0200, Andreas Färber wrote: > >> Hi Jens, > >> > >> Am 03.04.2013 08:42, schrieb Jens Freimann: > >>> this is what our approach to CPU hotplug looks like.

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-04-19 Thread Andreas Färber
Am 19.04.2013 09:51, schrieb Jens Freimann: > On Wed, Apr 17, 2013 at 08:06:37PM +0200, Andreas Färber wrote: >> Hi Jens, >> >> Am 03.04.2013 08:42, schrieb Jens Freimann: >>> this is what our approach to CPU hotplug looks like. >>> With respect to Igor's CPU hotplug series, how should we proceed?

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-04-19 Thread Jens Freimann
On Wed, Apr 17, 2013 at 08:06:37PM +0200, Andreas Färber wrote: > Hi Jens, > > Am 03.04.2013 08:42, schrieb Jens Freimann: > > this is what our approach to CPU hotplug looks like. > > With respect to Igor's CPU hotplug series, how should we proceed? > > Should we change the interface to > > qemu

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-04-17 Thread Eduardo Habkost
On Wed, Apr 17, 2013 at 08:06:37PM +0200, Andreas Färber wrote: > Hi Jens, > > Am 03.04.2013 08:42, schrieb Jens Freimann: > > this is what our approach to CPU hotplug looks like. > > With respect to Igor's CPU hotplug series, how should we proceed? > > Should we change the interface to > > qemu

Re: [Qemu-devel] [RFC/PATCH 0/1] cpu hotplug for s390

2013-04-17 Thread Andreas Färber
Hi Jens, Am 03.04.2013 08:42, schrieb Jens Freimann: > this is what our approach to CPU hotplug looks like. > With respect to Igor's CPU hotplug series, how should we proceed? > Should we change the interface to > qemu_system_cpu_add_notifier/qemu_system_cpu_hotplug_request/cpu-add etc? I am wo