netdev - Re: [PATCH RESEND bpf-next v3 0/6] Zbb support and code simplification for RV64 JIT

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Message-ID: <f73cdabe-eba3-4842-8da2-a6316590eb1e@huaweicloud.com>
Date: Mon, 22 Jan 2024 23:17:54 +0800
From: Pu Lehui <pulehui@...weicloud.com>
To: Björn Töpel <bjorn@...nel.org>, bpf@...r.kernel.org,
 linux-riscv@...ts.infradead.org, netdev@...r.kernel.org
Cc: Alexei Starovoitov <ast@...nel.org>,
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>,
 Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>,
 Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>,
 KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>,
 Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
 Palmer Dabbelt <palmer@...belt.com>, Conor Dooley <conor@...nel.org>,
 Luke Nelson <luke.r.nels@...il.com>, Pu Lehui <pulehui@...wei.com>
Subject: Re: [PATCH RESEND bpf-next v3 0/6] Zbb support and code
 simplification for RV64 JIT



On 2024/1/22 23:07, Björn Töpel wrote:
> Björn Töpel <bjorn@...nel.org> writes:
> 
>> Pu Lehui <pulehui@...weicloud.com> writes:
>>
>>> On 2024/1/22 22:33, Björn Töpel wrote:
>>>> Pu Lehui <pulehui@...weicloud.com> writes:
>>>>
>>>>> Add Zbb support [0] to optimize code size and performance of RV64 JIT.
>>>>> Meanwhile, adjust the code for unification and simplification. Tests
>>>>> test_bpf.ko and test_verifier have passed, as well as the relative
>>>>> testcases of test_progs*.
>>>>>
>>>>> Link: https://github.com/riscv/riscv-bitmanip/releases/download/1.0.0/bitmanip-1.0.0-38-g865e7a7.pdf [0]
>>>>>
>>>>> v3 resend:
>>>>> - resend for mail be treated as spam.
>>>>>
>>>>> v3:
>>>>> - Change to early-exit code style and make code more explicit.
>>>>
>>>> Lehui,
>>>>
>>>> Sorry for the delay. I'm chasing a struct_ops RISC-V BPF regression in
>>>> 6.8-rc1, I will need to wrap my head around that prior reviewing
>>>> properly.
>>>>
>>>
>>> Oh, I also found the problem with struct ops and fixed it
> 
> Pu, with your patch bpf_iter_setsockopt, bpf_tcp_ca, and dummy_st_ops
> passes!
> 
> Please spin a proper fixes patch, and feel free to add:
> 
> Tested-by: Björn Töpel <bjorn@...osinc.com>
> Acked-by: Björn Töpel <bjorn@...nel.org>
> 

Is that in a hurry? If not, I would like to send it with the upcoming 
patchset.

> 
> Björn