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Wed, 25 Jun 2025 10:23:42 -0700 (PDT) Date: Wed, 25 Jun 2025 10:23:42 -0700 (PDT) From: "Christoph Lameter (Ampere)" To: Mitchell Levy cc: Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?ISO-8859-15?Q?Bj=F6rn_Roy_Baron?= , Andreas Hindborg , Alice Ryhl , Trevor Gross , Andrew Morton , Dennis Zhou , Tejun Heo , Danilo Krummrich , Benno Lossin , linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 4/5] rust: percpu: Add pin-hole optimizations for numerics In-Reply-To: <20250624-rust-percpu-v1-4-9c59b07d2a9c@gmail.com> Message-ID: References: <20250624-rust-percpu-v1-0-9c59b07d2a9c@gmail.com> <20250624-rust-percpu-v1-4-9c59b07d2a9c@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Server: rspam11 X-Rspam-User: X-Rspamd-Queue-Id: BA2761C0017 X-Stat-Signature: j3n36mm8s5iqhs3bc191ue5kehwayzbs X-HE-Tag: 1750874064-513413 X-HE-Meta: U2FsdGVkX18ro/H25dLoSMHvBEO3xaVe0fmfaVi5whxOMg5bLd0L/ABfQxqoovkHfK92KrmW9Cl8F/PpkBqyVCgm7IPzTxckskRi7E7lXGwTc7GQmEohLg4LpyMMNJ3DYgp5TCJSvc9fMJ00wrAHCxRfwTFz2M8K+lrh/P/Y9z7IZdRs/hdpcGnmXiGHy7mR4f40rzSJSft0BqfeD4UqIB5YyjLskr4449qAtfmlcsofLyVOH/uNdnzfM6IDTfx+9wSL6E8FiNzArfpdnhTcfHgMC0r66TFsnHeUwjdDauUrOx98xnI+cuuJSOYlmyupDTNkf4MVd6kPKo7nFBfqc/7MIqlSvOBJQdIgBiEuRkPW7JVoAk/7sK8xVrdyuomPAakcwQZpgoop+f1Osdn0/H7O2R6C1H8kVsvGdvMcW2pSuIFm6w+MLO6Thw7BYQJ4/IgSVTGquJTwLscL0OGlZ+xUL8HHSG6A6QyO3CJgQ49JTD2W0HmFiFdbeVWVQw/BxeaBg6zvdaEk7yZtCUWGa4NFVtGvDnGOL65tdW7lgeFqfRzDcFSOWD2qGmkHKPA+szuwuRDMjVG3shsDh/LDfJyO5DdT+ztv4KlwbZx/pE+UKHlQB/DesOCV/KcBvOJhjYLLGyYG98zCLH41+u2Xg8R35sH7rdk3V++ceu/txjcBCcuuK7oARm+aWZqztF4mwxmcmcYy9B99RmXt9JsJUbsnvZi3zXd71Y3L1G/KX+KaFM5jhzhIpDl9Bfb1vM4lhiv3hNcaF1Y4Y76O4Ha8xn2jy0DaI7mr3Q+TKKsWyR6MdhlHxrNEVfu7PXM7zzpwBqJTrNq5qkfIO2xBpd50BuA012qFS4yMipgX1i+hcgQnljgKwUmNnRepjx9c3VaZ41v65DX5TEtswuZMvw9AEbv1PFs8wzBtY1V98ygaB8In2TfNjq1NoVBQpVa3WQExHb4eu72lm9Y9n+4llrd ygCjeMuy rijQtTtFTJ5aCG4ltvOq5QZV9L0POlnsQ6c8LLJjTuB+tLLyCweLQKT5kojUk2tXOYf1C7ZoasRh/G3AT8yKghJBIPM9/wQ1cvQgMz20vhIO6JEmEmMeWq9NRcSujhWfiYKMR5JAPsPHBUuMzzCwLbs147Q80gIQ1y3kggsrI6KEqkTUuvFoG+IZqNEc2WDoi4y/a71LS6Mu7LZAQboXdg9l0GxiNfP8A/SjrLcebGjcHIJJo2Wn/ML0o+cVMe87DyDJ+Hwg7ctwlHgxooH9M60QScw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 24 Jun 2025, Mitchell Levy wrote: > + concat!("add gs:[{off}], {val:", $reg, "}"), > + concat!("sub gs:[{off}], {val:", $reg, "}"), > + concat!("sub gs:[{off}], {val}"), Where are the other RMV instructions like this_cpu_xchg and this_cpu_cmpxchg, this_cpu_cmpxchg_double etc?