[dpdk-users] Changes to DPDK kmod drivers / backward compatibility within LTS rel.

[Stephen Hemminger]

On Thu, 29 Oct 2020 22:07:38 +0100
Thomas Monjalon <thomas at monjalon.net> wrote:

> 24/09/2020 19:12, Alexander Kotliarov:
> > Hi there!
> > I would like to find out what is the policy regarding changes to the DPDK's
> > kmod drivers such as igb_uio.ko within a DPDK's LTS release. Are these
> > changes backward compatible?
> > For example, is there a guarantee that an application built
> > against 19.11.5, where igb_uio.ko received changes,would run with this
> > driver built from 19.11.1 version?
> > 
> > Does http://doc.dpdk.org/guides/contributing/stable.html section 8.4 apply
> > to kmod drivers as well?  
> 
> There is no such formal guarantee, but in my opinion,
> it should be the case. Do you imagine a change in kmod
> which could break a DPDK version?

Why do you still need to use igb_uio?
Can you use vfio instead?