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[34.16.141.147]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7349fe4cd94sm910482b3a.38.2025.02.27.00.04.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Feb 2025 00:04:55 -0800 (PST) Date: Thu, 27 Feb 2025 08:04:50 +0000 From: Peilin Ye To: Alexei Starovoitov Cc: bpf , linux-arm-kernel , bpf@ietf.org, Xu Kuohai , Eduard Zingerman , David Vernet , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Jonathan Corbet , "Paul E. McKenney" , Puranjay Mohan , Ilya Leoshkevich , Heiko Carstens , Vasily Gorbik , Catalin Marinas , Will Deacon , Quentin Monnet , Mykola Lysenko , Shuah Khan , Ihor Solodrai , Yingchi Long , Josh Don , Barret Rhoden , Neel Natu , Benjamin Segall , LKML Subject: Re: [PATCH bpf-next v3 4/9] bpf: Introduce load-acquire and store-release instructions Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250227_000458_256978_61D60216 X-CRM114-Status: GOOD ( 14.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 26, 2025 at 06:18:47PM -0800, Alexei Starovoitov wrote: > It's border line ok-ish to delay arena ld_acq/st_rel on x86 for a follow up, > but non-arena on x86 should be done in this patch. > It's trivial to add support on x86-64 and > limiting the selftest to: > .. defined(__TARGET_ARCH_arm64) > is just not right. > > Even arena ld_acq/st_rel can be done in this patch too. > It is such a minor addition compared to the rest, so I don't see > a reason not to do it right away. Sure! I'll add x86-64 support (including arena) in v4. Thanks, Peilin Ye