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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771413845; bh=YVMv1ptFKNw6kEpdNrlOLxsWiwOQJELFd3S4YAz4D/w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Sas4Ja4lMC0iAp2bsc+/MKvz4KtmAhZsC8ejKyT2vUbu09628717QvJKpcXLHdEzb SwYg+6qXmHKd/1gN6J/KMKc5WvdfBEjAgAapTw1rn6p5p7IQXpUjqIJoY8/86EOBKY WCRHKZlK6+oav1Xr1hPOPb/wq/lvR5HCKrYJU+1DZHyF6ZQIsfPWkuEmGfEyigDg9D LoJAWMpDDJS5teuqJFswrZGZHu8T/e65wDUCjJ5Lb2Wk44Wy1O0fXVSm7XYF9iuXBW iKJof5st1/XGq5mCp18Bo4CLZxH6AjGRM8ACrSiSEuoM7ZVNjxJb4eWNjeozOAE3L+ FJ9yEJUlb7HXg== Date: Wed, 18 Feb 2026 12:24:00 +0100 From: Daniel Gomez To: Miguel Ojeda Cc: Andreas Hindborg , Matthew Wilcox , linux-mm@kvack.org, lsf-pc@lists.linux-foundation.org, Alice Ryhl , Andrew Morton , gost.dev@samsung.com, Greg KH , Julia Lawall , Kairui Song , Luis Chamberlain , Miguel Ojeda , rust-for-linux@vger.kernel.org, Tamir Duberstein Subject: Re: [LSF/MM/BPF TOPIC] Evaluating Rust for XArray Message-ID: References: <87bjhncl7j.fsf@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Stat-Signature: 8z71hydm1hydtjqougfuq1aybydkm81u X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: A038D1C000F X-HE-Tag: 1771413846-890329 X-HE-Meta: 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 qewuo+CV 5HR90wiwPM2X2UmCKwADc4Xjb8w== 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 2026-02-17 21:18, Miguel Ojeda wrote: > On Tue, Feb 17, 2026 at 6:51 PM Andreas Hindborg wrote: > > > > We don't have to wait 5-10 years for gcc to fully support Rust, before > > we start playing with this. > > By the way, I don't think we will need that many years to use GCC if > companies are interested on it and support projects like GCC Rust > and/or `rustc_codegen_gcc`, given their current state (for context, > the latter is able to boot a kernel with Rust enabled for x86_64, and > the former is prioritizing Rust for Linux). > > Let me use this opportunity to say: if anyone wants to support that > work, e.g. hardware companies for their architecture, then please ping > me and I am happy to help getting in touch with them and figuring > funding and things like that. I'm not aware of the official GCC roadmap but LWN covered it in "predictions for the new year" article [1]. Quoting: "The gccrs project will deliver a working Rust compiler this year; it will be usable to build the kernel's Rust code. This ambitious project ... The availability of a GCC-based compiler will make that transition easier for many people, especially those working with architectures that the LLVM-based rustc compiler does not support..." Link: https://lwn.net/Articles/1052269/ [1] Whether that becomes true or not should not be relevant for the discussion, as stated in this thread.