netdev - Re: [PATCH v2 bpf-next 0/3] libbpf: BTF typed dump cleanups

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Message-ID: <CAEf4BzbCYhJnvrEOvbYt3vbhr23BytbfDPkc=GUgkzneVJVJMQ@mail.gmail.com>
Date:   Fri, 16 Jul 2021 17:32:39 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Alan Maguire <alan.maguire@...cle.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>, Martin Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        john fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Bill Wendling <morbo@...gle.com>,
        Shuah Khan <shuah@...nel.org>, bpf <bpf@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 bpf-next 0/3] libbpf: BTF typed dump cleanups

On Fri, Jul 16, 2021 at 3:47 PM Alan Maguire <alan.maguire@...cle.com> wrote:
>
> Fix issues with libbpf BTF typed dump code.  Patch 1 addresses handling
> of unaligned data. Patch 2 fixes issues Andrii noticed when compiling
> on ppc64le.  Patch 3 simplifies typed dump by getting rid of allocation
> of dump data structure which tracks dump state etc.
>
> Changes since v1:
>
>  - Andrii suggested using a function instead of a macro for checking
>    alignment of data, and pointed out that we need to consider dump
>    ptr size versus native pointer size (patch 1)
>
> Alan Maguire (3):
>   libbpf: clarify/fix unaligned data issues for btf typed dump
>   libbpf: fix compilation errors on ppc64le for btf dump typed data
>   libbpf: btf typed dump does not need to allocate dump data
>
>  tools/lib/bpf/btf_dump.c | 39 ++++++++++++++++++++++++++++++---------
>  1 file changed, 30 insertions(+), 9 deletions(-)
>
> --
> 1.8.3.1
>

Thank you for the quick follow up. But see all the comments I left and
the fix ups I had to do. Just because the changes are small doesn't
mean you should get sloppy about making them. Please be a bit more
thorough in future patches.

Applied to bpf-next.