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

[Yonghong Song]

On 10/21/21 5:39 AM, 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>

Acked-by: Yonghong Song <yhs@xxxxxx>