linux-kernel - Re: [PATCH RFC bpf-next v1 0/4] Introduce load-acquire and store-release BPF instructions

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Message-ID: <Z2Zr8ZdKiM-5QUMp@google.com>
Date: Sat, 21 Dec 2024 07:19:13 +0000
From: Peilin Ye <yepeilin@...gle.com>
To: bpf@...r.kernel.org
Cc: Alexei Starovoitov <ast@...nel.org>,
	Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>,
	Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Puranjay Mohan <puranjay@...nel.org>,
	Xu Kuohai <xukuohai@...weicloud.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Quentin Monnet <qmo@...nel.org>,
	Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>,
	Josh Don <joshdon@...gle.com>, Barret Rhoden <brho@...gle.com>,
	Neel Natu <neelnatu@...gle.com>,
	Benjamin Segall <bsegall@...gle.com>,
	David Vernet <dvernet@...a.com>,
	Dave Marchevsky <davemarchevsky@...a.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC bpf-next v1 0/4] Introduce load-acquire and
 store-release BPF instructions

By this:

On Sat, Dec 21, 2024 at 01:22:04AM +0000, Peilin Ye wrote:
> Based on [3], the BPF load-acquire, the arm64 JIT compiler generates LDAR
> (RCsc) instead of LDAPR (RCpc).

I actually meant:

  Based on [3], for BPF load-acquire, make the arm64 JIT compiler
  generate LDAR (RCsc) instead of LDAPR (RCpc).

Sorry for any confusion.