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Date:   Thu, 21 Oct 2021 12:21:41 -0700
From:   John Fastabend <john.fastabend@gmail.com>
To:     Pu Lehui <pulehui@huawei.com>, ast@kernel.org,
        daniel@iogearbox.net, andrii@kernel.org, kafai@fb.com,
        songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com,
        kpsingh@kernel.org, nathan@kernel.org, ndesaulniers@google.com
Cc:     netdev@vger.kernel.org, bpf@vger.kernel.org,
        linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
        pulehui@huawei.com
Message-ID: <6171bdc513e4e_663a7208a5@john-XPS-13-9370.notmuch>
In-Reply-To: <20211021123913.48833-1-pulehui@huawei.com>
References: <20211021123913.48833-1-pulehui@huawei.com>
Subject: RE: [PATCH bpf-next] samples: bpf: Suppress readelf stderr when
 probing for BTF support
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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@huawei.com>
> ---

Thanks.

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