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From: =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@kernel.org>
To: Pu Lehui <pulehui@huaweicloud.com>, bpf@vger.kernel.org,
 linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Puranjay Mohan <puranjay@kernel.org>, Palmer Dabbelt
 <palmer@dabbelt.com>, Alexandre Ghiti <alex@ghiti.fr>, Alexei Starovoitov
 <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Andrii Nakryiko
 <andrii@kernel.org>, Martin KaFai Lau <martin.lau@linux.dev>, Eduard
 Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>, Yonghong Song
 <yonghong.song@linux.dev>, John Fastabend <john.fastabend@gmail.com>, KP
 Singh <kpsingh@kernel.org>, Stanislav Fomichev <sdf@fomichev.me>, Hao Luo
 <haoluo@google.com>, Jiri Olsa <jolsa@kernel.org>, Pu Lehui
 <pulehui@huawei.com>
Subject: Re: [PATCH bpf-next 07/10] riscv, bpf: Optimize cmpxchg insn with
 Zacas support
In-Reply-To: <20250719091730.2660197-8-pulehui@huaweicloud.com>
References: <20250719091730.2660197-1-pulehui@huaweicloud.com>
 <20250719091730.2660197-8-pulehui@huaweicloud.com>
Date: Mon, 04 Aug 2025 22:41:00 +0200
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Pu Lehui <pulehui@huaweicloud.com> writes:

> From: Pu Lehui <pulehui@huawei.com>
>
> Optimize cmpxchg instruction with amocas.w and amocas.d
> Zacas instructions.
>
> Signed-off-by: Pu Lehui <pulehui@huawei.com>

Reviewed-by: Bj=C3=B6rn T=C3=B6pel <bjorn@rivosinc.com>