Re: [PATCH bpf-next] bpf: add config to allow loading modules with BTF mismatches

[Daniel Borkmann]

On 2/23/22 5:34 AM, Shung-Hsi Yu wrote:
> On Wed, Feb 23, 2022 at 01:28:14AM +0000, Connor O'Brien wrote:
> > BTF mismatch can occur for a separately-built module even when the ABI
> > is otherwise compatible and nothing else would prevent successfully
> > loading. Add a new config to control how mismatches are handled. By
> > default, preserve the current behavior of refusing to load the
> > module. If MODULE_ALLOW_BTF_MISMATCH is enabled, load the module but
> > ignore its BTF information.
> >
> > Suggested-by: Yonghong Song <yhs@xxxxxx>
> > Suggested-by: Michal Suchánek <msuchanek@xxxxxxx>
> > Signed-off-by: Connor O'Brien <connoro@xxxxxxxxxx>
>
> Maybe reference the discussion thread as well?
>
> Link: https://lore.kernel.org/bpf/CAADnVQJ+OVPnBz8z3vNu8gKXX42jCUqfuvhWAyCQDu8N_yqqwQ@xxxxxxxxxxxxxx/

LGTM, and added above into the commit log while applying. Thanks everyone!