Re: linux-next: build warning after merge of the bpf-next tree

From: Geert Uytterhoeven
Date: Tue Jul 14 2020 - 05:27:46 EST


On Tue, Jul 14, 2020 at 11:02 AM Jiri Olsa <jolsa@xxxxxxxxxx> wrote:
> On Tue, Jul 14, 2020 at 12:16:08PM +1000, Stephen Rothwell wrote:
> > After merging the bpf-next tree, today's linux-next build (powerpc
> > ppc64_defconfig) produced this warning:
> >
> > ld: warning: orphan section `.BTF_ids' from `kernel/trace/bpf_trace.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/bpf/btf.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/bpf/stackmap.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `net/core/filter.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/trace/bpf_trace.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/bpf/btf.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/bpf/stackmap.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `net/core/filter.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/trace/bpf_trace.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/bpf/btf.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `kernel/bpf/stackmap.o' being placed in section `.BTF_ids'
> > ld: warning: orphan section `.BTF_ids' from `net/core/filter.o' being placed in section `.BTF_ids'
> >
> > Presumably ntroduced by the merge of the resolve_btfids branch.
>
> missing one more #ifdef.. chage below fixes it for me,
> it's squashed with the fix for the arm build, I'll post
> both fixes today

This one works for me, too:
Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds