Re: request for a release-ack on qemu-xen

[George Dunlap <george.dunlap@eu.citrix.com>]

On 02/20/2014 02:56 PM, Stefano Stabellini wrote:
> Hi George,
> the following two commits in qemu-xen:
>
> commit 65fc9b78ba3d868a26952db0d8e51cecf01d47b4
> Author: Anthony PERARD <anthony.perard@citrix.com>
> Date:   Wed Sep 25 16:43:12 2013 +0000
>
>      xen: Enable cpu-hotplug on xenfv machine.
>      
>      Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
>      Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
>      
>      Conflicts:
>          hw/i386/pc_piix.c
>
> commit 29a757f0fce7bfdf965d9e8ea48e8e34f997a32c
> Author: Anthony PERARD <anthony.perard@citrix.com>
> Date:   Wed Sep 25 16:41:48 2013 +0000
>
>      xen: Fix vcpu initialization.
>      
>      Each vcpu need a evtchn binded in qemu, even those that are
>      offline at QEMU initialisation.
>      
>      Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
>      Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
>
> were already present in the tree and fix cpu-hotplug.
> One of the latest merges from the QEMU 1.6 stable tree effectively
> reverted them. May I have a release exception to push them back in?
> Without them cpu-hotplug does not work.

It looks like this touches vcpu initialization, which is pretty core to 
the functionality of a VM as a whole.  Hotplug, on the other hand, while 
an important feature, is much less commonly used.

Given that we're hoping to have an RC5 tomorrow and tag a release next 
week, I think I'd rather these wait until 4.4.1.

  -George