linux-kernel - Re: [PATCH V2 3/3] powerpc: Enable Rust for ppc64le

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Message-ID: <CANiq72mi-V_SF+JErMJu1wZEd27HPHqhsxE8dELtd5e3ZEaA4w@mail.gmail.com>
Date: Thu, 5 Feb 2026 20:34:27 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Mukesh Kumar Chaurasiya <mkchauras@...il.com>, Jubilee Young <workingjubilee@...il.com>, 
	Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <nick.desaulniers+lkml@...il.com>, 
	Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>
Cc: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>, Link Mauve <linkmauve@...kmauve.fr>, ojeda@...nel.org, 
	boqun.feng@...il.com, gary@...yguo.net, bjorn3_gh@...tonmail.com, 
	lossin@...nel.org, a.hindborg@...nel.org, aliceryhl@...gle.com, 
	tmgross@...ch.edu, dakr@...nel.org, corbet@....net, maddy@...ux.ibm.com, 
	mpe@...erman.id.au, npiggin@...il.com, chleroy@...nel.org, 
	peterz@...radead.org, jpoimboe@...nel.org, jbaron@...mai.com, 
	rostedt@...dmis.org, ardb@...nel.org, rust-for-linux@...r.kernel.org, 
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org, clang-built-linux <llvm@...ts.linux.dev>
Subject: Re: [PATCH V2 3/3] powerpc: Enable Rust for ppc64le

On Thu, Feb 5, 2026 at 6:29 PM Mukesh Kumar Chaurasiya
<mkchauras@...il.com> wrote:
>
> use rust version nightly-2026-01-28
>
> the latest one has some issue. I just raised a bug for the rustc
> here[1].
>
> [1] https://github.com/rust-lang/rust/issues/152177

It appears to be a bug in LLVM 22 for ppc64, not present in 21.

If I understand correctly, then it may be fixed in 22.1.9 if it gets released.

Thanks Jubilee for the quick reply there!

Cc'ing Clang/LLVM build support, in case they didn't hear about it.

I linked it in our usual lists.

Cheers,
Miguel