RE: [PATCH bpf-next] samples: bpf: Suppress readelf stderr when probing for BTF support

From: John Fastabend
Date: Thu Oct 21 2021 - 15:21:53 EST


Pu Lehui wrote:
> When compiling bpf samples, the following warning appears:
>
> readelf: Error: Missing knowledge of 32-bit reloc types used in DWARF
> sections of machine number 247
> readelf: Warning: unable to apply unsupported reloc type 10 to section
> .debug_info
> readelf: Warning: unable to apply unsupported reloc type 1 to section
> .debug_info
> readelf: Warning: unable to apply unsupported reloc type 10 to section
> .debug_info
>
> Same problem was mentioned in commit 2f0921262ba9 ("selftests/bpf:
> suppress readelf stderr when probing for BTF support"), let's use
> readelf that supports btf.
>
> Signed-off-by: Pu Lehui <pulehui@xxxxxxxxxx>
> ---

Thanks.

Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>