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Date: Wed, 7 Jan 2026 15:01:15 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Alice Ryhl <aliceryhl@google.com>
Cc: Andreas Hindborg <a.hindborg@kernel.org>,
	Miguel Ojeda <ojeda@kernel.org>, Boqun Feng <boqun.feng@gmail.com>,
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	=?iso-8859-1?Q?Bj=F6rn?= Roy Baron <bjorn3_gh@protonmail.com>,
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	Alexandre Courbot <acourbot@nvidia.com>,
	Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	Nicolas Schier <nicolas.schier@linux.dev>,
	Andrew Morton <akpm@linux-foundation.org>,
	Uladzislau Rezki <urezki@gmail.com>, rust-for-linux@vger.kernel.org,
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	linux-kbuild@vger.kernel.org, linux-mm@kvack.org,
	nouveau@lists.freedesktop.org, Matthew Maurer <mmaurer@google.com>
Subject: Re: [PATCH 0/4] Inline helpers into Rust without full LTO
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On Wed, Jan 07, 2026 at 02:42:25PM +0100, Alice Ryhl wrote:

> With this option, helpers.bc gets linked into every Rust object file
> separately (and symbols are internalized). We might want a separate
> .bc file depending on whether the Rust object files is part of the
> core kernel or a .ko file.

Right, building it twice, once with and once with -DMODULE owuldn't be
the end of the world I suppose :-)

Also, I ran across Eurydice during the x-mas break, would it not be
possible to compile all the .rs muck to C using that and then building
the whole lot like 'normal'?