On 01/06/2014 11:59 AM, Jim Fehlig wrote:
> As pointed out by the Xen folks [1], HVM nics should always be set
> to type LIBXL_NIC_TYPE_VIF_IOEMU unless the user explicity requests
> LIBXL_NIC_TYPE_VIF via model='netfront'. The current logic in
> libxlMakeNic() only sets the nictype to LIBXL_NIC_TYPE_VIF_IOEMU if
> a model is specified that is not 'netfront', which breaks PXE booting
> configurations where no model is specified (i.e. use the hypervisor
> default).
>
> Reported-by: Stefan Bader <stefan.bader(a)canonical.com>
>
> [1]
https://www.redhat.com/archives/libvir-list/2013-December/msg01156.html
>
> Signed-off-by: Jim Fehlig <jfehlig(a)suse.com>
> ---
>
> I toyed with detecting whether to use an IOEMU nic in libxlMakeNicList()
> and passing the bool to libxlMakeNic(), but in the end left the detection
> to libxlMakeNic().
>
Seems okay to me with the approach you took.
> src/libxl/libxl_conf.c | 20 ++++++++++++++------
> src/libxl/libxl_conf.h | 4 +++-
> 2 files changed, 17 insertions(+), 7 deletions(-)
>
ACK.