Re: [dpdk-dev] [PATCH v1 1/3] devtools: create internal ignore file for libabigail

[Thomas Monjalon <thomas@monjalon.net>]

06/05/2020 14:42, David Marchand:
> On Wed, May 6, 2020 at 2:27 PM Thomas Monjalon <thomas@monjalon.net> wrote:
> >
> > 05/05/2020 16:53, David Marchand:
> > > On Tue, May 5, 2020 at 1:21 PM Ophir Munk <ophirmu@mellanox.com> wrote:
> > > > +; These functions were moved from stable to internal.
> > > > +; This is a temporary exception till DPDK 20.11.
> > >
> > > This is not until 20.11 if we merge this patch now.
> > > It is only when comparing 20.02 to 20.05.
> > > After this, symbols will be marked INTERNAL and will be skipped by the
> > > generic rule, so we can remove this exception in 20.08-rc0.
> >
> > I think we need to keep this rule until 20.11,
> > because we want to ignore symbols which were in 19.11 and 20.02,
> > and removed (as internal) in 20.05.
> 
> Those symbols were exported in 20.02.

Right, no issue when comparing with 19.11.


> Before this, they were internal to mlx5 net driver.
> 
> 
> >
> > If we remove this rule in 20.08, and comparing with 19.11,
> > the tool will complain about removed symbols, isn't it?
> 
> If we remove the rule in 20.08 and compare to _20.02_ then yes, we
> would get an issue.
> I was only thinking of comparing 20.08 with 20.05.
> 
> We can keep this until 20.11 if you think it is safer.

Yes I think we must make sure any comparison can be done during
compatibility lifetime.