[libvirt] [PATCH] macvtap teardown rework

[Daniel Veillard]

On Wed, Feb 17, 2010 at 03:05:53PM -0500, Stefan Berger wrote:
> I have reworked and simplified the teardown of the macvtap device.
> Basically all devices with the same MAC address and link device are kept
> alive and not attempted to be torn down. If a macvtap device linked to a
> physical interface with a certain MAC address 'M' is to be created it
> will automatically fail if the interface is 'up'ed and another macvtap
> with the same properties (MAC addr 'M', link dev) happens to be 'up'.
> This will prevent the VM from starting or the device from being attached
> to a running VM. Stale interfaces are assumed to be there for some
> reason and not stem from libvirt.
> 
> In the VM shutdown path I am assuming that an interface name is always
> available so that if the device type is DIRECT it can be torn down using
> its name.
> 
> Signed-off-by: Stefan Berger <stefanb at us.ibm.com>
> 

  Okay, applied, I just removed an unused header pointed out by
  syntax-check :-)

Daniel

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