netdev - Re: [PATCH v2 bpf-next 0/5] CO-RE relocation selftests fixes

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Date:   Mon, 26 Apr 2021 18:43:09 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Andrii Nakryiko <andrii@...nel.org>
Cc:     bpf <bpf@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <kernel-team@...com>,
        Lorenz Bauer <lmb@...udflare.com>
Subject: Re: [PATCH v2 bpf-next 0/5] CO-RE relocation selftests fixes

On Mon, Apr 26, 2021 at 12:30 PM Andrii Nakryiko <andrii@...nel.org> wrote:
>
> Lorenz Bauer noticed that core_reloc selftest has two inverted CHECK()
> conditions, allowing failing tests to pass unnoticed. Fixing that opened up
> few long-standing (field existence and direct memory bitfields) and one recent
> failures (BTF_KIND_FLOAT relos).
>
> This patch set fixes core_reloc selftest to capture such failures reliably in
> the future. It also fixes all the newly failing tests. See individual patches
> for details.
>
> This patch set also completes a set of ASSERT_xxx() macros, so now there
> should be a very little reason to use verbose and error-prone generic CHECK()
> macro.
>
> v1->v2:
>   - updated bpf_core_fields_are_compat() comment to mention FLOAT (Lorenz).

Applied.