linux-kernel - Re: [PATCH bpf-next 3/5] selftests/bpf: don't mask result of bpf_csum_diff() in test

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Message-ID: <528402c7-fec4-4a35-923a-f8375749296f@iogearbox.net>
Date: Mon, 21 Oct 2024 15:42:39 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: Puranjay Mohan <puranjay@...nel.org>, Albert Ou <aou@...s.berkeley.edu>,
 Alexei Starovoitov <ast@...nel.org>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Andrii Nakryiko <andrii@...nel.org>, bpf@...r.kernel.org,
 "David S. Miller" <davem@...emloft.net>, Eduard Zingerman
 <eddyz87@...il.com>, Eric Dumazet <edumazet@...gle.com>,
 Hao Luo <haoluo@...gle.com>, Helge Deller <deller@....de>,
 Jakub Kicinski <kuba@...nel.org>,
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
 Jiri Olsa <jolsa@...nel.org>, John Fastabend <john.fastabend@...il.com>,
 KP Singh <kpsingh@...nel.org>, linux-kernel@...r.kernel.org,
 linux-parisc@...r.kernel.org, linux-riscv@...ts.infradead.org,
 Martin KaFai Lau <martin.lau@...ux.dev>, Mykola Lysenko <mykolal@...com>,
 netdev@...r.kernel.org, Palmer Dabbelt <palmer@...belt.com>,
 Paolo Abeni <pabeni@...hat.com>, Paul Walmsley <paul.walmsley@...ive.com>,
 Puranjay Mohan <puranjay12@...il.com>, Shuah Khan <shuah@...nel.org>,
 Song Liu <song@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>,
 Yonghong Song <yonghong.song@...ux.dev>
Subject: Re: [PATCH bpf-next 3/5] selftests/bpf: don't mask result of
 bpf_csum_diff() in test_verifier

On 10/21/24 2:21 PM, Puranjay Mohan wrote:
> The bpf_csum_diff() helper has been fixed to return a 16-bit value for
> all archs, so now we don't need to mask the result.
> 
> This commit is basically reverting the below:
> 
> commit 6185266c5a85 ("selftests/bpf: Mask bpf_csum_diff() return value
> to 16 bits in test_verifier")
> 
> Signed-off-by: Puranjay Mohan <puranjay@...nel.org>

Acked-by: Daniel Borkmann <daniel@...earbox.net>