Re: [PATCH ipsec-next v1 6/7] bpf: selftests: test_tunnel: Disable CO-RE relocations

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On Sat, Nov 25, 2023 at 4:52 PM Yonghong Song <yonghong.song@xxxxxxxxx> wrote:
>
> >
> > diff --git a/tools/testing/selftests/bpf/progs/test_tunnel_kern.c b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c
> > index 3065a716544d..ec7e04e012ae 100644
> > --- a/tools/testing/selftests/bpf/progs/test_tunnel_kern.c
> > +++ b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c
> > @@ -6,6 +6,7 @@
> >    * modify it under the terms of version 2 of the GNU General Public
> >    * License as published by the Free Software Foundation.
> >    */
> > +#define BPF_NO_PRESERVE_ACCESS_INDEX
>
> This is a temporary workaround and hopefully we can lift it in the
> near future. Please add a comment here with prefix 'Workaround' to
> explain why this is needed and later on we can earliy search the
> keyword and remember to tackle this.

I suspect we will forget to remove this "workaround" and people
will start copy pasting it.
Let's change the test instead to avoid bitfield access.





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