[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20240115131235.2914289-1-pulehui@huaweicloud.com>
Date: Mon, 15 Jan 2024 13:12:29 +0000
From: Pu Lehui <pulehui@...weicloud.com>
To: bpf@...r.kernel.org,
linux-riscv@...ts.infradead.org,
netdev@...r.kernel.org
Cc: Björn Töpel <bjorn@...nel.org>,
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>,
Pu Lehui <pulehui@...weicloud.com>
Subject: [PATCH RESEND bpf-next v3 0/6] Zbb support and code simplification for RV64 JIT
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.
v2: https://lore.kernel.org/bpf/20230919035839.3297328-1-pulehui@huaweicloud.com
- Add runtime detection for Zbb instructions.
- Correct formatting issues detected by checkpatch.
v1: https://lore.kernel.org/bpf/20230913153413.1446068-1-pulehui@huaweicloud.com
Pu Lehui (6):
riscv, bpf: Unify 32-bit sign-extension to emit_sextw
riscv, bpf: Unify 32-bit zero-extension to emit_zextw
riscv, bpf: Simplify sext and zext logics in branch instructions
riscv, bpf: Add necessary Zbb instructions
riscv, bpf: Optimize sign-extention mov insns with Zbb support
riscv, bpf: Optimize bswap insns with Zbb support
arch/riscv/net/bpf_jit.h | 134 ++++++++++++++++++++
arch/riscv/net/bpf_jit_comp64.c | 210 +++++++++++---------------------
2 files changed, 205 insertions(+), 139 deletions(-)
--
2.34.1
Powered by blists - more mailing lists