[libvirt] libxl fixes/improvements for libvirt

[Jim Fehlig]

On 03/27/2014 10:55 AM, Stefan Bader wrote:
> Here several changes which improve the handling of Xen for me:

Thanks for the improvements Stefan.  I'm currently on bereavement leave and will 
look at these patches when returning, unless someone beats me to it.

Regards,
Jim

>
> * 0001-libxl-Use-id-from-virDomainObj-inside-the-driver.patch
>    This is a re-send as I initially submitted that as a reply to some
>    discussion. Starting from the visibly broken libxlDomainGetInfo when
>    creating or rebooting a guest with virt-manager, I replaced all usage
>    of dom->id with the more stable vm->def->id.
> * 0002-libxl-Set-disk-format-for-empty-cdrom-device.patch
>    Fixes start of a guest after ejecting the iso image from a virtual
>    CDROM drive (again using virt-manager).
> * 0003-libxl-Implement-basic-video-device-selection.patch
>    Should fix the occasional disagreement about the used VNC port and
>    adds the ability to select the standard VGA graphics from Xen.
>    VRAM size seemed to work with that. Only for Cirrus, while the qemu
>    command-line looks good, ones seems to end up with 32M.
>
> Note to people on the Xen list: I wonder whether libxenlight internally
> should somehow should fix up the situation where a caller sets up the
> video devices in the vfbs list but does not sync that with the information
> in the build info. Question probably is what the semantics should be.
>
> -Stefan
>
> .