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Message-ID: <85bb2e79-5b1a-41c1-972f-9f7f185fac88@linux.dev> Date: Wed, 13 Dec 2023 15:58:39 -0800 From: Martin KaFai Lau <martin.lau@...ux.dev> To: Daniel Xu <dxu@...uu.xyz> Cc: mykolal@...com, song@...nel.org, john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org, linux-kernel@...r.kernel.org, bpf@...r.kernel.org, linux-kselftest@...r.kernel.org, devel@...ux-ipsec.org, netdev@...r.kernel.org, ast@...nel.org, andrii@...nel.org, shuah@...nel.org, daniel@...earbox.net, steffen.klassert@...unet.com, antony.antony@...unet.com, alexei.starovoitov@...il.com, yonghong.song@...ux.dev, eddyz87@...il.com, eyal.birger@...il.com, Kuniyuki Iwashima <kuniyu@...zon.com>, Kuniyuki Iwashima <kuni1840@...il.com> Subject: Re: [PATCH bpf-next v5 5/9] bpf: selftests: Add verifier tests for CO-RE bitfield writes 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.
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