Re: [Xen-devel] [PATCH v8 00/15] execute hotplug scripts from libxl

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

Ian Campbell wrote:
> On Tue, 2012-07-10 at 12:07 -0400, Roger Pau Monne wrote:
> 
>> I'm working on making vfb/vkb async, once that is done I can take a look
>> on this,
> 
> Cool. BTW is the other stuff ready? I guess it is waiting on IanJ to
> review again?

I've changed the series according to your comments, and I'm waiting for
IanJ review. I also have NetBSD hotplug & vfb/vkb series ready, that
will come after this is committed. If you want I can start posting them,
I didn't do so yet because they depend a lot on this.

>>  but since the device removal is done after Qemu has been killed
>> I don't have much expectations that this is going to work (at least for
>> the shutdown/destroy case).
> 
> Right, that's an interesting problem. I wonder if qemu should set state
> = 5 (or 6?) for all its backends as it does a graceful shutdown?

Sorry, what I've said is not accurate. Qemu sets state to "closed" on
shutdown/destroy, what doesn't seem to work is the disconnection by
setting online to 0 or status to 5 while Qemu is running.

Maybe we should not call libxl_device_disk_add/remove when the backend
is Qemu for cdrom_insert and instead perform the params remove/addition
that you exposed before directly on cdrom_insert.

>> The block-attach/detach case might work with this approach.
> 
> Might be good for that case.

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