Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-07 Thread Stefan Hajnoczi
On Tue, Aug 06, 2013 at 02:45:48PM +0200, Andreas Färber wrote: > Am 06.08.2013 14:09, schrieb Michael S. Tsirkin: > > On Tue, Aug 06, 2013 at 01:03:34PM +0200, Andreas Färber wrote: > >> FWIW -M q35 does not create all Q35 devices, there's -readconfig > >> docs/q35-chipset.cfg for the rest. The cr

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Andreas Färber
Am 06.08.2013 11:20, schrieb Gleb Natapov: > On Tue, Aug 06, 2013 at 10:45:01AM +0200, Andreas Färber wrote: >> Am 06.08.2013 10:36, schrieb Gleb Natapov: >>> On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: >

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Andreas Färber
Am 06.08.2013 14:00, schrieb Gleb Natapov: > On Tue, Aug 06, 2013 at 01:23:49PM +0200, Andreas Färber wrote: >> Am 06.08.2013 13:00, schrieb Gleb Natapov: >>> On Tue, Aug 06, 2013 at 12:35:10PM +0200, Andreas Färber wrote: I wonder if IPMI might be such an alternative in the future, in which >

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Andreas Färber
Am 06.08.2013 14:09, schrieb Michael S. Tsirkin: > On Tue, Aug 06, 2013 at 01:03:34PM +0200, Andreas Färber wrote: >> FWIW -M q35 does not create all Q35 devices, there's -readconfig >> docs/q35-chipset.cfg for the rest. The criteria certainly is not >> migratability, since ICH9 AHCI (part of -M q3

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 03:08:32PM +0300, Michael S. Tsirkin wrote: > On Tue, Aug 06, 2013 at 02:00:35PM +0300, Gleb Natapov wrote: > > On Tue, Aug 06, 2013 at 12:35:10PM +0200, Andreas Färber wrote: > > > Am 06.08.2013 11:32, schrieb Gleb Natapov: > > > > On Tue, Aug 06, 2013 at 12:21:48PM +0300,

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 03:05:52PM +0300, Michael S. Tsirkin wrote: > On Tue, Aug 06, 2013 at 03:00:06PM +0300, Gleb Natapov wrote: > > On Tue, Aug 06, 2013 at 01:23:49PM +0200, Andreas Färber wrote: > > > Am 06.08.2013 13:00, schrieb Gleb Natapov: > > > > On Tue, Aug 06, 2013 at 12:35:10PM +0200,

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 01:03:34PM +0200, Andreas Färber wrote: > Am 06.08.2013 12:44, schrieb Gleb Natapov: > > On Tue, Aug 06, 2013 at 01:19:53PM +0300, Michael S. Tsirkin wrote: > It's a QEMU issue, devices that are added with -device are > documented in -device help and removed by dro

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 01:54:17PM +0200, Gerd Hoffmann wrote: > Hi, > > > And what are the rules that govern device exclusion from -nodefaults > > list? Why -nodefaults does not create empty machine? > > "qemu -nodefaults" should give you just cpu + northbridge + southbridge. > On modern mach

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 02:00:35PM +0300, Gleb Natapov wrote: > On Tue, Aug 06, 2013 at 12:35:10PM +0200, Andreas Färber wrote: > > Am 06.08.2013 11:32, schrieb Gleb Natapov: > > > On Tue, Aug 06, 2013 at 12:21:48PM +0300, Michael S. Tsirkin wrote: > > >> On Tue, Aug 06, 2013 at 11:36:25AM +0300, G

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 01:23:49PM +0200, Andreas Färber wrote: > Am 06.08.2013 13:00, schrieb Gleb Natapov: > > On Tue, Aug 06, 2013 at 12:35:10PM +0200, Andreas Färber wrote: > >> I wonder if IPMI might be such an alternative in the future, in which > >> case we should come up with some way to fu

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 03:00:06PM +0300, Gleb Natapov wrote: > On Tue, Aug 06, 2013 at 01:23:49PM +0200, Andreas Färber wrote: > > Am 06.08.2013 13:00, schrieb Gleb Natapov: > > > On Tue, Aug 06, 2013 at 12:35:10PM +0200, Andreas Färber wrote: > > >> I wonder if IPMI might be such an alternative i

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 01:48:17PM +0200, Markus Armbruster wrote: > Gleb Natapov writes: > > > On Tue, Aug 06, 2013 at 01:03:34PM +0200, Andreas Färber wrote: > >> Am 06.08.2013 12:44, schrieb Gleb Natapov: > >> > On Tue, Aug 06, 2013 at 01:19:53PM +0300, Michael S. Tsirkin wrote: > >> It's

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gerd Hoffmann
Hi, >> My point was, there may be alternative, non-PV implementations to suck >> such information out of a guest, IPMI being one example of a management >> interface that exists for physical servers. So it's not necessarily >> black-or-white, but choices similar to virtio vs. IDE vs. AHCI vs. SC

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gerd Hoffmann
Hi, > And what are the rules that govern device exclusion from -nodefaults > list? Why -nodefaults does not create empty machine? "qemu -nodefaults" should give you just cpu + northbridge + southbridge. "qemu" should give you a usable virtual machine, so qemu adds some optional devices which a

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Markus Armbruster
Gleb Natapov writes: > On Tue, Aug 06, 2013 at 01:03:34PM +0200, Andreas Färber wrote: >> Am 06.08.2013 12:44, schrieb Gleb Natapov: >> > On Tue, Aug 06, 2013 at 01:19:53PM +0300, Michael S. Tsirkin wrote: >> It's a QEMU issue, devices that are added with -device are >> documented in -d

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Andreas Färber
Am 06.08.2013 13:00, schrieb Gleb Natapov: > On Tue, Aug 06, 2013 at 12:35:10PM +0200, Andreas Färber wrote: >> I wonder if IPMI might be such an alternative in the future, in which >> case we should come up with some way to fully disable pvpanic device >> creation. CC'ing Corey. >> > IPMI was cons

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 01:03:34PM +0200, Andreas Färber wrote: > Am 06.08.2013 12:44, schrieb Gleb Natapov: > > On Tue, Aug 06, 2013 at 01:19:53PM +0300, Michael S. Tsirkin wrote: > It's a QEMU issue, devices that are added with -device are > documented in -device help and removed by dro

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Andreas Färber
Am 06.08.2013 12:44, schrieb Gleb Natapov: > On Tue, Aug 06, 2013 at 01:19:53PM +0300, Michael S. Tsirkin wrote: It's a QEMU issue, devices that are added with -device are documented in -device help and removed by dropping them from command line. Devices added by default have no way

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 12:35:10PM +0200, Andreas Färber wrote: > Am 06.08.2013 11:32, schrieb Gleb Natapov: > > On Tue, Aug 06, 2013 at 12:21:48PM +0300, Michael S. Tsirkin wrote: > >> On Tue, Aug 06, 2013 at 11:36:25AM +0300, Gleb Natapov wrote: > >>> On Tue, Aug 06, 2013 at 11:33:10AM +0300, Mic

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 01:19:53PM +0300, Michael S. Tsirkin wrote: > > > It's a QEMU issue, devices that are added with -device are > > > documented in -device help and removed by dropping them from > > > command line. Devices added by default have no way to > > > be dropped from QOM except -nodef

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Andreas Färber
Am 06.08.2013 11:32, schrieb Gleb Natapov: > On Tue, Aug 06, 2013 at 12:21:48PM +0300, Michael S. Tsirkin wrote: >> On Tue, Aug 06, 2013 at 11:36:25AM +0300, Gleb Natapov wrote: >>> On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gl

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 01:23:26PM +0300, Michael S. Tsirkin wrote: > On Tue, Aug 06, 2013 at 01:14:14PM +0300, Gleb Natapov wrote: > > On Tue, Aug 06, 2013 at 01:13:17PM +0300, Michael S. Tsirkin wrote: > > > On Tue, Aug 06, 2013 at 12:29:27PM +0300, Gleb Natapov wrote: > > > > On Tue, Aug 06, 201

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 01:14:14PM +0300, Gleb Natapov wrote: > On Tue, Aug 06, 2013 at 01:13:17PM +0300, Michael S. Tsirkin wrote: > > On Tue, Aug 06, 2013 at 12:29:27PM +0300, Gleb Natapov wrote: > > > On Tue, Aug 06, 2013 at 05:26:46PM +0800, Hu Tao wrote: > > > > On Tue, Aug 06, 2013 at 11:33:1

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 12:32:47PM +0300, Gleb Natapov wrote: > On Tue, Aug 06, 2013 at 12:21:48PM +0300, Michael S. Tsirkin wrote: > > On Tue, Aug 06, 2013 at 11:36:25AM +0300, Gleb Natapov wrote: > > > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > > > > On Tue, Aug 06, 201

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 01:13:17PM +0300, Michael S. Tsirkin wrote: > On Tue, Aug 06, 2013 at 12:29:27PM +0300, Gleb Natapov wrote: > > On Tue, Aug 06, 2013 at 05:26:46PM +0800, Hu Tao wrote: > > > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > > > > On Tue, Aug 06, 2013 at 1

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 12:29:27PM +0300, Gleb Natapov wrote: > On Tue, Aug 06, 2013 at 05:26:46PM +0800, Hu Tao wrote: > > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > > > On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > > > > If you see a mouse in a room,

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 11:56:11AM +0200, Markus Armbruster wrote: > Andreas Färber writes: > > > Am 06.08.2013 10:36, schrieb Gleb Natapov: > >> On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > >>> On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > If you

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 12:20:27PM +0300, Gleb Natapov wrote: > On Tue, Aug 06, 2013 at 10:45:01AM +0200, Andreas Färber wrote: > > Am 06.08.2013 10:36, schrieb Gleb Natapov: > > > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > > >> On Tue, Aug 06, 2013 at 10:21:52AM +0300, G

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Markus Armbruster
Andreas Färber writes: > Am 06.08.2013 10:36, schrieb Gleb Natapov: >> On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: >>> On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > If you see a mouse in a room, how likely is it that there's > a single mouse there

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 12:21:48PM +0300, Michael S. Tsirkin wrote: > On Tue, Aug 06, 2013 at 11:36:25AM +0300, Gleb Natapov wrote: > > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > > > On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > > > > If you see a mous

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 05:26:46PM +0800, Hu Tao wrote: > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > > On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > > > If you see a mouse in a room, how likely is it that there's > > > > a single mouse there? > > > >

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Hu Tao
On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > > If you see a mouse in a room, how likely is it that there's > > > a single mouse there? > > > > > > This is a PV technology which to me looks like it was > > >

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 10:45:01AM +0200, Andreas Färber wrote: > Am 06.08.2013 10:36, schrieb Gleb Natapov: > > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > >> On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > If you see a mouse in a room, how likely is

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 11:36:25AM +0300, Gleb Natapov wrote: > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > > On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > > > If you see a mouse in a room, how likely is it that there's > > > > a single mouse there? > >

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 10:45:01AM +0200, Andreas Färber wrote: > Am 06.08.2013 10:36, schrieb Gleb Natapov: > > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > >> On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > If you see a mouse in a room, how likely is

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Andreas Färber
Am 06.08.2013 10:36, schrieb Gleb Natapov: > On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: >> On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: If you see a mouse in a room, how likely is it that there's a single mouse there? This is a PV techno

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 04:14:36AM -0400, Vadim Rozenfeld wrote: > > > - Original Message - > From: "Gleb Natapov" > To: "Vadim Rozenfeld" > Cc: "Michael S. Tsirkin" , "Daniel P. Berrange" > , "Marcel Apfelbaum" , > seab...@seabios.org, qemu-devel@nongnu.org, "Gerd Hoffmann" > , "Pao

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 11:33:10AM +0300, Michael S. Tsirkin wrote: > On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > > If you see a mouse in a room, how likely is it that there's > > > a single mouse there? > > > > > > This is a PV technology which to me looks like it was > > >

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Tue, Aug 06, 2013 at 04:03:17AM -0400, Vadim Rozenfeld wrote: > > > - Original Message - > From: "Gleb Natapov" > To: "Michael S. Tsirkin" > Cc: "Daniel P. Berrange" , "Marcel Apfelbaum" > , seab...@seabios.org, qemu-devel@nongnu.org, "Gerd > Hoffmann" , "Paolo Bonzini" , "Eric >

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Michael S. Tsirkin
On Tue, Aug 06, 2013 at 10:21:52AM +0300, Gleb Natapov wrote: > > If you see a mouse in a room, how likely is it that there's > > a single mouse there? > > > > This is a PV technology which to me looks like it was > > rushed through and not only set on by default, but > > without a way to disable

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Vadim Rozenfeld
- Original Message - From: "Gleb Natapov" To: "Vadim Rozenfeld" Cc: "Michael S. Tsirkin" , "Daniel P. Berrange" , "Marcel Apfelbaum" , seab...@seabios.org, qemu-devel@nongnu.org, "Gerd Hoffmann" , "Paolo Bonzini" , "Eric Blake" , "Andreas Färber" Sent: Tuesday, August 6, 2013 6:05:

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-06 Thread Gleb Natapov
On Mon, Aug 05, 2013 at 09:32:18PM +0300, Michael S. Tsirkin wrote: > > > As you see we do let people change many parameters > > > that do affect activation. > > By editing XML user can shoot himself in the foot, we should not prevent > > that. > > So that's what I'm saying basically. > At the mom

Re: [Qemu-devel] [SeaBIOS] [PATCH] don't expose pvpanic device in the UI

2013-08-05 Thread Michael S. Tsirkin
On Mon, Aug 05, 2013 at 07:04:22PM +0300, Gleb Natapov wrote: > On Mon, Aug 05, 2013 at 06:03:34PM +0300, Michael S. Tsirkin wrote: > > On Mon, Aug 05, 2013 at 12:20:44PM +0300, Gleb Natapov wrote: > > > On Mon, Aug 05, 2013 at 12:18:26PM +0300, Michael S. Tsirkin wrote: > > > > On Mon, Aug 05, 201