From: Martin KaFai Lau <martin.lau@linux.dev>
To: Daniel Xu <dxu@dxuuu.xyz>
Cc: mykolal@fb.com, song@kernel.org, john.fastabend@gmail.com,
kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
jolsa@kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
devel@linux-ipsec.org, netdev@vger.kernel.org, ast@kernel.org,
andrii@kernel.org, shuah@kernel.org, daniel@iogearbox.net,
steffen.klassert@secunet.com, antony.antony@secunet.com,
alexei.starovoitov@gmail.com, yonghong.song@linux.dev,
eddyz87@gmail.com, eyal.birger@gmail.com,
Kuniyuki Iwashima <kuniyu@amazon.com>,
Kuniyuki Iwashima <kuni1840@gmail.com>
Subject: Re: [PATCH bpf-next v5 5/9] bpf: selftests: Add verifier tests for CO-RE bitfield writes
Date: Wed, 13 Dec 2023 15:58:39 -0800 [thread overview]
Message-ID: <85bb2e79-5b1a-41c1-972f-9f7f185fac88@linux.dev> (raw)
In-Reply-To: <72698a1080fa565f541d5654705255984ea2a029.1702325874.git.dxu@dxuuu.xyz>
On 12/11/23 12:20 PM, Daniel Xu wrote:
> Add some tests that exercise BPF_CORE_WRITE_BITFIELD() macro. Since some
> non-trivial bit fiddling is going on, make sure various edge cases (such
> as adjacent bitfields and bitfields at the edge of structs) are
> exercised.
Hi DanielXu, I have pushed the libbpf changes (adding BPF_CORE_WRITE_BITFIELD)
and verifier test in patch 3-5 which is useful by itself. e.g. Another patchset
can start using it also:
https://lore.kernel.org/bpf/8fccb066-6d17-4fa8-ba67-287042046ea4@linux.dev/
Thanks.
next prev parent reply other threads:[~2023-12-13 23:58 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-11 20:20 [PATCH bpf-next v5 0/9] Add bpf_xdp_get_xfrm_state() kfunc Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 1/9] bpf: xfrm: " Daniel Xu
2023-12-11 21:39 ` Eyal Birger
2023-12-11 22:26 ` Daniel Xu
2023-12-14 0:02 ` Martin KaFai Lau
2023-12-11 20:20 ` [PATCH bpf-next v5 2/9] bpf: xfrm: Add bpf_xdp_xfrm_state_release() kfunc Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 3/9] libbpf: Add BPF_CORE_WRITE_BITFIELD() macro Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 4/9] bpf: selftests: test_loader: Support __btf_path() annotation Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 5/9] bpf: selftests: Add verifier tests for CO-RE bitfield writes Daniel Xu
2023-12-13 23:58 ` Martin KaFai Lau [this message]
2023-12-14 0:20 ` Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 6/9] bpf: selftests: test_tunnel: Setup fresh topology for each subtest Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 7/9] bpf: selftests: test_tunnel: Use vmlinux.h declarations Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 8/9] bpf: selftests: Move xfrm tunnel test to test_progs Daniel Xu
2023-12-11 20:20 ` [PATCH bpf-next v5 9/9] bpf: xfrm: Add selftest for bpf_xdp_get_xfrm_state() Daniel Xu
2023-12-11 21:39 ` Eyal Birger
2023-12-11 22:31 ` Daniel Xu
2023-12-11 23:13 ` Eyal Birger
2023-12-11 23:49 ` Daniel Xu
2023-12-12 0:25 ` Eyal Birger
2023-12-12 16:17 ` Daniel Xu
2023-12-12 16:44 ` Alexei Starovoitov
2023-12-12 19:00 ` Daniel Xu
2023-12-12 19:52 ` Daniel Xu
2023-12-12 23:13 ` Kumar Kartikeya Dwivedi
2023-12-13 23:15 ` Daniel Xu
2023-12-13 23:49 ` Eyal Birger
2023-12-14 16:08 ` Kumar Kartikeya Dwivedi
2023-12-14 16:16 ` Kumar Kartikeya Dwivedi
2023-12-14 18:23 ` Daniel Xu
2023-12-14 20:24 ` Daniel Xu
2023-12-14 20:53 ` Alexei Starovoitov
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