netdev - Re: [PATCH bpf-next 3/5] selftests/bpf: fix BPF_CORE_READ

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Date:   Mon, 26 Apr 2021 09:10:22 +0100
From:   Lorenz Bauer <lmb@...udflare.com>
To:     Andrii Nakryiko <andrii@...nel.org>
Cc:     bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf-next 3/5] selftests/bpf: fix BPF_CORE_READ_BITFIELD() macro

On Sat, 24 Apr 2021 at 00:36, Andrii Nakryiko <andrii@...nel.org> wrote:
>
> Fix BPF_CORE_READ_BITFIELD() macro used for reading CO-RE-relocatable
> bitfields. Missing breaks in a switch caused 8-byte reads always. This can
> confuse libbpf because it does strict checks that memory load size corresponds
> to the original size of the field, which in this case quite often would be
> wrong.

Acked-by: Lorenz Bauer <lmb@...udflare.com>

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