On Sat, 23 Jun 2018 00:43:24 +0300
"Michael S. Tsirkin" wrote:
> On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
> > Would it be more helpful to focus on generic
> > migration support for vfio instead of going about it device by device?
>
> Just to note this approach is
On Tue, 26 Jun 2018 20:50:20 +0300
"Michael S. Tsirkin" wrote:
> On Tue, Jun 26, 2018 at 05:08:13PM +0200, Cornelia Huck wrote:
> > On Fri, 22 Jun 2018 17:05:04 -0700
> > Siwei Liu wrote:
> >
> > > On Fri, Jun 22, 2018 at 3:33 PM, Michael S. Tsirkin
> > > wrote:
> > > > I suspect the
On Tue, Jun 26, 2018 at 11:49 PM, Samudrala, Sridhar
wrote:
> On 6/26/2018 11:21 PM, Siwei Liu wrote:
>>
>> On Tue, Jun 26, 2018 at 5:29 PM, Michael S. Tsirkin
>> wrote:
>>>
>>> On Tue, Jun 26, 2018 at 04:38:26PM -0700, Siwei Liu wrote:
On Mon, Jun 25, 2018 at 6:50 PM, Michael S.
On 6/26/2018 11:21 PM, Siwei Liu wrote:
On Tue, Jun 26, 2018 at 5:29 PM, Michael S. Tsirkin wrote:
On Tue, Jun 26, 2018 at 04:38:26PM -0700, Siwei Liu wrote:
On Mon, Jun 25, 2018 at 6:50 PM, Michael S. Tsirkin wrote:
On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
Might
On Tue, Jun 26, 2018 at 5:29 PM, Michael S. Tsirkin wrote:
> On Tue, Jun 26, 2018 at 04:38:26PM -0700, Siwei Liu wrote:
>> On Mon, Jun 25, 2018 at 6:50 PM, Michael S. Tsirkin wrote:
>> > On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
>> >> > > > > Might not neccessarily be
On Tue, Jun 26, 2018 at 04:38:26PM -0700, Siwei Liu wrote:
> On Mon, Jun 25, 2018 at 6:50 PM, Michael S. Tsirkin wrote:
> > On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
> >> > > > > Might not neccessarily be something wrong, but it's very limited to
> >> > > > > prohibit
On Mon, Jun 25, 2018 at 6:50 PM, Michael S. Tsirkin wrote:
> On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
>> > > > > Might not neccessarily be something wrong, but it's very limited to
>> > > > > prohibit the MAC of VF from changing when enslaved by failover.
>> > > > You
On Tue, Jun 26, 2018 at 05:08:13PM +0200, Cornelia Huck wrote:
> On Fri, 22 Jun 2018 17:05:04 -0700
> Siwei Liu wrote:
>
> > On Fri, Jun 22, 2018 at 3:33 PM, Michael S. Tsirkin wrote:
> > > I suspect the diveregence will be lost on most users though
> > > simply because they don't even care
On Tue, Jun 26, 2018 at 06:03:16PM +0200, Cornelia Huck wrote:
> Ok, that makes me conclude that we definitely need to involve the
> libvirt folks before we proceed further with defining QEMU interfaces.
That's always a wise thing to do.
--
MST
On Tue, 26 Jun 2018 18:38:51 +0300
"Michael S. Tsirkin" wrote:
> On Tue, Jun 26, 2018 at 05:17:32PM +0200, Cornelia Huck wrote:
> > On Tue, 26 Jun 2018 04:50:25 +0300
> > "Michael S. Tsirkin" wrote:
> >
> > > On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
> > > > > > >
On Tue, Jun 26, 2018 at 05:17:32PM +0200, Cornelia Huck wrote:
> On Tue, 26 Jun 2018 04:50:25 +0300
> "Michael S. Tsirkin" wrote:
>
> > On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
> > > > > > > Might not neccessarily be something wrong, but it's very limited
> > > > > >
On Tue, 26 Jun 2018 04:50:25 +0300
"Michael S. Tsirkin" wrote:
> On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
> > > > > > Might not neccessarily be something wrong, but it's very limited to
> > > > > > prohibit the MAC of VF from changing when enslaved by failover.
> > >
On Fri, 22 Jun 2018 17:05:04 -0700
Siwei Liu wrote:
> On Fri, Jun 22, 2018 at 3:33 PM, Michael S. Tsirkin wrote:
> > I suspect the diveregence will be lost on most users though
> > simply because they don't even care about vfio. They just
> > want things to go fast.
>
> Like Jason said, VF
On Tue, Jun 26, 2018 at 01:55:09PM +0200, Cornelia Huck wrote:
> On Tue, 26 Jun 2018 04:46:03 +0300
> "Michael S. Tsirkin" wrote:
>
> > On Mon, Jun 25, 2018 at 11:55:12AM +0200, Cornelia Huck wrote:
> > > On Fri, 22 Jun 2018 22:05:50 +0300
> > > "Michael S. Tsirkin" wrote:
> > >
> > > > On
On Tue, 26 Jun 2018 04:46:03 +0300
"Michael S. Tsirkin" wrote:
> On Mon, Jun 25, 2018 at 11:55:12AM +0200, Cornelia Huck wrote:
> > On Fri, 22 Jun 2018 22:05:50 +0300
> > "Michael S. Tsirkin" wrote:
> >
> > > On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
> > > > On Thu, 21
On Mon, Jun 25, 2018 at 10:54:09AM -0700, Samudrala, Sridhar wrote:
> > > > > Might not neccessarily be something wrong, but it's very limited to
> > > > > prohibit the MAC of VF from changing when enslaved by failover.
> > > > You mean guest changing MAC? I'm not sure why we prohibit that.
> > >
On 6/22/2018 5:17 PM, Siwei Liu wrote:
On Fri, Jun 22, 2018 at 4:40 PM, Siwei Liu wrote:
On Fri, Jun 22, 2018 at 3:25 PM, Michael S. Tsirkin wrote:
On Fri, Jun 22, 2018 at 02:51:11PM -0700, Siwei Liu wrote:
On Fri, Jun 22, 2018 at 2:29 PM, Michael S. Tsirkin wrote:
On Fri, Jun 22, 2018 at
On Fri, 22 Jun 2018 22:05:50 +0300
"Michael S. Tsirkin" wrote:
> On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
> > On Thu, 21 Jun 2018 21:20:13 +0300
> > "Michael S. Tsirkin" wrote:
> >
> > > On Thu, Jun 21, 2018 at 04:59:13PM +0200, Cornelia Huck wrote:
> > > > OK, so
On Fri, Jun 22, 2018 at 05:17:10PM -0700, Siwei Liu wrote:
> I forgot to mention the above has the assumption that we expose both
> STANDBY and UUID feature to QEMU user. In fact, as we're going towards
> not exposing the STANDBY feature directly to user, UUID may be always
> required to enable
On Fri, Jun 22, 2018 at 4:40 PM, Siwei Liu wrote:
> On Fri, Jun 22, 2018 at 3:25 PM, Michael S. Tsirkin wrote:
>> On Fri, Jun 22, 2018 at 02:51:11PM -0700, Siwei Liu wrote:
>>> On Fri, Jun 22, 2018 at 2:29 PM, Michael S. Tsirkin wrote:
>>> > On Fri, Jun 22, 2018 at 01:03:04PM -0700, Siwei Liu
On Fri, Jun 22, 2018 at 3:33 PM, Michael S. Tsirkin wrote:
> On Fri, Jun 22, 2018 at 02:57:39PM -0700, Siwei Liu wrote:
>> On Fri, Jun 22, 2018 at 2:32 PM, Michael S. Tsirkin wrote:
>> > On Fri, Jun 22, 2018 at 01:21:45PM -0700, Siwei Liu wrote:
>> >> On Fri, Jun 22, 2018 at 12:05 PM, Michael S.
On Fri, Jun 22, 2018 at 3:25 PM, Michael S. Tsirkin wrote:
> On Fri, Jun 22, 2018 at 02:51:11PM -0700, Siwei Liu wrote:
>> On Fri, Jun 22, 2018 at 2:29 PM, Michael S. Tsirkin wrote:
>> > On Fri, Jun 22, 2018 at 01:03:04PM -0700, Siwei Liu wrote:
>> >> On Fri, Jun 22, 2018 at 1:00 PM, Siwei Liu
On Fri, Jun 22, 2018 at 02:57:39PM -0700, Siwei Liu wrote:
> On Fri, Jun 22, 2018 at 2:32 PM, Michael S. Tsirkin wrote:
> > On Fri, Jun 22, 2018 at 01:21:45PM -0700, Siwei Liu wrote:
> >> On Fri, Jun 22, 2018 at 12:05 PM, Michael S. Tsirkin
> >> wrote:
> >> > On Fri, Jun 22, 2018 at 05:09:55PM
On Fri, Jun 22, 2018 at 02:51:11PM -0700, Siwei Liu wrote:
> On Fri, Jun 22, 2018 at 2:29 PM, Michael S. Tsirkin wrote:
> > On Fri, Jun 22, 2018 at 01:03:04PM -0700, Siwei Liu wrote:
> >> On Fri, Jun 22, 2018 at 1:00 PM, Siwei Liu wrote:
> >> > On Thu, Jun 21, 2018 at 7:32 PM, Michael S. Tsirkin
On Fri, Jun 22, 2018 at 2:32 PM, Michael S. Tsirkin wrote:
> On Fri, Jun 22, 2018 at 01:21:45PM -0700, Siwei Liu wrote:
>> On Fri, Jun 22, 2018 at 12:05 PM, Michael S. Tsirkin wrote:
>> > On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
>> >> On Thu, 21 Jun 2018 21:20:13 +0300
>>
On Fri, Jun 22, 2018 at 2:29 PM, Michael S. Tsirkin wrote:
> On Fri, Jun 22, 2018 at 01:03:04PM -0700, Siwei Liu wrote:
>> On Fri, Jun 22, 2018 at 1:00 PM, Siwei Liu wrote:
>> > On Thu, Jun 21, 2018 at 7:32 PM, Michael S. Tsirkin
>> > wrote:
>> >> On Thu, Jun 21, 2018 at 06:21:55PM -0700,
On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
> Would it be more helpful to focus on generic
> migration support for vfio instead of going about it device by device?
Just to note this approach is actually device by device *type*. It's
mostly device agnostic for a given device
On Fri, Jun 22, 2018 at 01:21:45PM -0700, Siwei Liu wrote:
> On Fri, Jun 22, 2018 at 12:05 PM, Michael S. Tsirkin wrote:
> > On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
> >> On Thu, 21 Jun 2018 21:20:13 +0300
> >> "Michael S. Tsirkin" wrote:
> >>
> >> > On Thu, Jun 21, 2018 at
On Fri, Jun 22, 2018 at 01:03:04PM -0700, Siwei Liu wrote:
> On Fri, Jun 22, 2018 at 1:00 PM, Siwei Liu wrote:
> > On Thu, Jun 21, 2018 at 7:32 PM, Michael S. Tsirkin wrote:
> >> On Thu, Jun 21, 2018 at 06:21:55PM -0700, Siwei Liu wrote:
> >>> On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck
On Fri, Jun 22, 2018 at 12:05 PM, Michael S. Tsirkin wrote:
> On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
>> On Thu, 21 Jun 2018 21:20:13 +0300
>> "Michael S. Tsirkin" wrote:
>>
>> > On Thu, Jun 21, 2018 at 04:59:13PM +0200, Cornelia Huck wrote:
>> > > OK, so what about the
On Fri, Jun 22, 2018 at 1:00 PM, Siwei Liu wrote:
> On Thu, Jun 21, 2018 at 7:32 PM, Michael S. Tsirkin wrote:
>> On Thu, Jun 21, 2018 at 06:21:55PM -0700, Siwei Liu wrote:
>>> On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck wrote:
>>> > On Wed, 20 Jun 2018 22:48:58 +0300
>>> > "Michael S.
On Thu, Jun 21, 2018 at 7:32 PM, Michael S. Tsirkin wrote:
> On Thu, Jun 21, 2018 at 06:21:55PM -0700, Siwei Liu wrote:
>> On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck wrote:
>> > On Wed, 20 Jun 2018 22:48:58 +0300
>> > "Michael S. Tsirkin" wrote:
>> >
>> >> On Wed, Jun 20, 2018 at 06:06:19PM
On Fri, Jun 22, 2018 at 05:09:55PM +0200, Cornelia Huck wrote:
> On Thu, 21 Jun 2018 21:20:13 +0300
> "Michael S. Tsirkin" wrote:
>
> > On Thu, Jun 21, 2018 at 04:59:13PM +0200, Cornelia Huck wrote:
> > > OK, so what about the following:
> > >
> > > - introduce a new feature bit,
On Thu, 21 Jun 2018 21:20:13 +0300
"Michael S. Tsirkin" wrote:
> On Thu, Jun 21, 2018 at 04:59:13PM +0200, Cornelia Huck wrote:
> > OK, so what about the following:
> >
> > - introduce a new feature bit, VIRTIO_NET_F_STANDBY_UUID that indicates
> > that we have a new uuid field in the
On Thu, Jun 21, 2018 at 06:21:55PM -0700, Siwei Liu wrote:
> On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck wrote:
> > On Wed, 20 Jun 2018 22:48:58 +0300
> > "Michael S. Tsirkin" wrote:
> >
> >> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> >> > In any case, I'm not sure
On 2018-06-21 18:21:55 -0700, Siwei Liu wrote:
> On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck wrote:
> > On Wed, 20 Jun 2018 22:48:58 +0300
> > "Michael S. Tsirkin" wrote:
> >
> >> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> >> > In any case, I'm not sure anymore why we'd
On Thu, Jun 21, 2018 at 7:59 AM, Cornelia Huck wrote:
> On Wed, 20 Jun 2018 22:48:58 +0300
> "Michael S. Tsirkin" wrote:
>
>> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
>> > In any case, I'm not sure anymore why we'd want the extra uuid.
>>
>> It's mostly so we can have e.g.
On Thu, Jun 21, 2018 at 04:59:13PM +0200, Cornelia Huck wrote:
> On Wed, 20 Jun 2018 22:48:58 +0300
> "Michael S. Tsirkin" wrote:
>
> > On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> > > In any case, I'm not sure anymore why we'd want the extra uuid.
> >
> > It's mostly so
On Wed, 20 Jun 2018 22:48:58 +0300
"Michael S. Tsirkin" wrote:
> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> > In any case, I'm not sure anymore why we'd want the extra uuid.
>
> It's mostly so we can have e.g. multiple devices with same MAC
> (which some people seem to
On Wed, Jun 20, 2018 at 7:34 AM, Cornelia Huck wrote:
> On Tue, 19 Jun 2018 13:09:14 -0700
> Siwei Liu wrote:
>
>> On Tue, Jun 19, 2018 at 3:54 AM, Cornelia Huck wrote:
>> > On Fri, 15 Jun 2018 10:06:07 -0700
>> > Siwei Liu wrote:
>> >
>> >> On Fri, Jun 15, 2018 at 4:48 AM, Cornelia Huck
On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> In any case, I'm not sure anymore why we'd want the extra uuid.
It's mostly so we can have e.g. multiple devices with same MAC
(which some people seem to want in order to then use
then with different containers).
But it is also
On Wed, 20 Jun 2018 17:11:59 +0300
"Michael S. Tsirkin" wrote:
> On Wed, Jun 20, 2018 at 11:53:59AM +0200, Cornelia Huck wrote:
> > On Tue, 19 Jun 2018 23:32:06 +0300
> > "Michael S. Tsirkin" wrote:
> >
> > > On Tue, Jun 19, 2018 at 12:54:53PM +0200, Cornelia Huck wrote:
> > > > Sorry
On Tue, 19 Jun 2018 13:09:14 -0700
Siwei Liu wrote:
> On Tue, Jun 19, 2018 at 3:54 AM, Cornelia Huck wrote:
> > On Fri, 15 Jun 2018 10:06:07 -0700
> > Siwei Liu wrote:
> >
> >> On Fri, Jun 15, 2018 at 4:48 AM, Cornelia Huck wrote:
> >> > On Thu, 14 Jun 2018 18:57:11 -0700
> >> > Siwei Liu
On Wed, Jun 20, 2018 at 11:53:59AM +0200, Cornelia Huck wrote:
> On Tue, 19 Jun 2018 23:32:06 +0300
> "Michael S. Tsirkin" wrote:
>
> > On Tue, Jun 19, 2018 at 12:54:53PM +0200, Cornelia Huck wrote:
> > > Sorry about dragging mainframes into this, but this will only work for
> > > homogenous
On Tue, 19 Jun 2018 23:32:06 +0300
"Michael S. Tsirkin" wrote:
> On Tue, Jun 19, 2018 at 12:54:53PM +0200, Cornelia Huck wrote:
> > Sorry about dragging mainframes into this, but this will only work for
> > homogenous device coupling, not for heterogenous. Consider my vfio-pci
> > +
On Tue, Jun 19, 2018 at 12:54:53PM +0200, Cornelia Huck wrote:
> Sorry about dragging mainframes into this, but this will only work for
> homogenous device coupling, not for heterogenous. Consider my vfio-pci
> + virtio-net-ccw example again: The guest cannot find out that the two
> belong
On Tue, Jun 19, 2018 at 3:54 AM, Cornelia Huck wrote:
> On Fri, 15 Jun 2018 10:06:07 -0700
> Siwei Liu wrote:
>
>> On Fri, Jun 15, 2018 at 4:48 AM, Cornelia Huck wrote:
>> > On Thu, 14 Jun 2018 18:57:11 -0700
>> > Siwei Liu wrote:
>> >
>> >> Thank you for sharing your thoughts, Cornelia. With
On Fri, 15 Jun 2018 10:06:07 -0700
Siwei Liu wrote:
> On Fri, Jun 15, 2018 at 4:48 AM, Cornelia Huck wrote:
> > On Thu, 14 Jun 2018 18:57:11 -0700
> > Siwei Liu wrote:
> >
> >> Thank you for sharing your thoughts, Cornelia. With questions below, I
> >> think you raised really good points,
On Fri, 15 Jun 2018 15:31:43 +0300
"Michael S. Tsirkin" wrote:
> On Fri, Jun 15, 2018 at 11:32:42AM +0200, Cornelia Huck wrote:
> > On Fri, 15 Jun 2018 05:34:24 +0300
> > "Michael S. Tsirkin" wrote:
> >
> > > On Thu, Jun 14, 2018 at 12:02:31PM +0200, Cornelia Huck wrote:
> >
> > > > > >
On Fri, Jun 15, 2018 at 4:48 AM, Cornelia Huck wrote:
> On Thu, 14 Jun 2018 18:57:11 -0700
> Siwei Liu wrote:
>
>> Thank you for sharing your thoughts, Cornelia. With questions below, I
>> think you raised really good points, some of which I don't have answer
>> yet and would also like to
On Thu, 14 Jun 2018 18:57:11 -0700
Siwei Liu wrote:
> Thank you for sharing your thoughts, Cornelia. With questions below, I
> think you raised really good points, some of which I don't have answer
> yet and would also like to explore here.
>
> First off, I don't want to push the discussion to
On Fri, 15 Jun 2018 05:34:24 +0300
"Michael S. Tsirkin" wrote:
> On Thu, Jun 14, 2018 at 12:02:31PM +0200, Cornelia Huck wrote:
> > > > I am not all that familiar with how Qemu manages network devices. If we
> > > > can
> > > > do all the
> > > > required management of the primary/standby
On Thu, Jun 14, 2018 at 12:02:31PM +0200, Cornelia Huck wrote:
> So, do you know from the outset that there will be such a coupled
> device? I.e., is it a property of the VM definition?
>
> Can there be a 'prepared' virtio-net device that presents the STANDBY
> feature even if there currently is
Thank you for sharing your thoughts, Cornelia. With questions below, I
think you raised really good points, some of which I don't have answer
yet and would also like to explore here.
First off, I don't want to push the discussion to the extreme at this
point, or sell anything about having QEMU
On Wed, Jun 13, 2018 at 06:02:01PM -0700, Siwei Liu wrote:
> >> And it's the guest that needs failover support not the VM.
> >
> >
> > Isn't guest and VM synonymous?
Guest is whatever software is running on top of the hypervisor.
The virtual machine is the interface between the two.
--
MST
I've been pointed to this discussion (which I had missed previously)
and I'm getting a headache. Let me first summarize how I understand how
this feature is supposed to work, then I'll respond to some individual
points.
The basic idea is to enable guests to migrate seamlessly, while still
making
On Tue, Jun 12, 2018 at 5:08 PM, Samudrala, Sridhar
wrote:
> On 6/12/2018 4:34 AM, Michael S. Tsirkin wrote:
>>
>> On Mon, Jun 11, 2018 at 10:02:45PM -0700, Samudrala, Sridhar wrote:
>>>
>>> On 6/11/2018 7:17 PM, Michael S. Tsirkin wrote:
On Tue, Jun 12, 2018 at 09:54:44AM +0800, Jason
On 6/12/2018 4:34 AM, Michael S. Tsirkin wrote:
On Mon, Jun 11, 2018 at 10:02:45PM -0700, Samudrala, Sridhar wrote:
On 6/11/2018 7:17 PM, Michael S. Tsirkin wrote:
On Tue, Jun 12, 2018 at 09:54:44AM +0800, Jason Wang wrote:
On 2018年06月12日 01:26, Michael S. Tsirkin wrote:
On Mon, May 07, 2018
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