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Sun, 22 Mar 2026 20:25:12 -0700 (PDT) MIME-Version: 1.0 References: <20260322192159.88138-1-ojeda@kernel.org> <20260323000327.111235-1-ojeda@kernel.org> <96287f3a-d245-47cf-b7cb-f821451493d3@lunn.ch> In-Reply-To: <96287f3a-d245-47cf-b7cb-f821451493d3@lunn.ch> From: Miguel Ojeda Date: Mon, 23 Mar 2026 04:24:59 +0100 X-Gm-Features: AQROBzAuhFHkGwwSKh-Ea07cCRjtb6eZEQluwHGIFmDfJPfdFW0BK0DaJf2FJhk Message-ID: Subject: Re: Re: [PATCH v2 0/3] Inline helpers into Rust without full LTO To: Andrew Lunn Cc: Miguel Ojeda , a.hindborg@kernel.org, acourbot@nvidia.com, akpm@linux-foundation.org, aliceryhl@google.com, anton.ivanov@cambridgegreys.com, bjorn3_gh@protonmail.com, boqun.feng@gmail.com, dakr@kernel.org, david@davidgow.net, gary@garyguo.net, johannes@sipsolutions.net, justinstitt@google.com, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-um@lists.infradead.org, linux@armlinux.org.uk, llvm@lists.linux.dev, lossin@kernel.org, mark.rutland@arm.com, mmaurer@google.com, morbo@google.com, nathan@kernel.org, nick.desaulniers+lkml@gmail.com, nicolas.schier@linux.dev, nsc@kernel.org, peterz@infradead.org, richard@nod.at, rust-for-linux@vger.kernel.org, tmgross@umich.edu, urezki@gmail.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 57E78160004 X-Stat-Signature: tz46kpwrric1x4q3dcpeab93yerzuqx5 X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1774236314-762317 X-HE-Meta: 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 0cMHcRqe OzRX4zHwIGvfN36fpj2/EasSZEMJIcQO6A7qPNWABmMNmQsKXOc+B7PdWqc5hS7UGaa1yAe1YJ8D01c6eyJu4JTbUSu21wVe9BMl3AWgvj1mTW1TeuJx8C0Q5FFVuOJRRVGzBM+c6aWC0//uthzGR1Tem4D4VQ+n0n2keAw1ZgUdnnmIEusRRxGusaJWa+43GFjdcdCa2yNdkQ3oYrjXgC3LzYG62yKBX77UEFUzT8XD5wE/yIJt3N5HfRo2wyaXUM3BJBAX00emfAXChXYmpkS1ohKDiZsFACHvFJR4RxYVaEzwjzOOkHJMX3+RB4/XEq4jZTH6nIyEkJkfWzy7/hDsvqOgg+wdTk1i3tgNhiUmSnjnLoxy4ITL0TQ82UamqxlUSBhT9V4nZf+Vxdr/CcNVuzsd6QELWRYV5YODJu/Q/m0Jg02U3uMzvWMfEXtZrLXct5jIzVW62TUqOCUUGOclDyg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Mar 23, 2026 at 4:04=E2=80=AFAM Andrew Lunn wrote: > > Rust is already fragmented, because it does not support all > architectures. Do we really want to make it even more fragmented by > having some bindings only work on a subset of the subset of > architectures? That is not the case. The `depends on` is not about putting them on abstractions, but on this experimental build feature, which is gated on `EXPERT` to begin with, because it uses a fairly exotic approach involving LLVM bitcode, which carries potential pitfalls, like the mismatches on the target string like one of the commit messages mentions, and possibly others. Cheers, Miguel