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From: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Date: Tue, 27 Feb 2024 13:34:14 +0100
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Subject: Re: [PATCH v2 1/3] rust: make mutually exclusive with CFI_CLANG
To: Conor Dooley <conor.dooley@microchip.com>, Nathan Chancellor <nathan@kernel.org>
Cc: Conor Dooley <conor@kernel.org>, Matthew Maurer <mmaurer@google.com>, 
	linux-riscv@lists.infradead.org, Miguel Ojeda <ojeda@kernel.org>, 
	Alex Gaynor <alex.gaynor@gmail.com>, Wedson Almeida Filho <wedsonaf@gmail.com>, 
	Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>, 
	=?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>, 
	Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, 
	Palmer Dabbelt <palmer@dabbelt.com>, Nick Desaulniers <ndesaulniers@google.com>, Tom Rix <trix@redhat.com>, 
	rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org, 
	linux-kernel@vger.kernel.org, llvm@lists.linux.dev, stable@vger.kernel.org, 
	Sami Tolvanen <samitolvanen@google.com>, Ramon de C Valle <rcvalle@google.com>
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On Tue, Feb 27, 2024 at 11:54=E2=80=AFAM Conor Dooley
<conor.dooley@microchip.com> wrote:
>
> I did try to test it but I ran into too many toolchain issues - my
> older copies of LLVM (pre 17) are not multiarch as I built them by hand
> with PGO for x86 and RISC-V. My LLVM 17 is from kernel.org and has no
> libclang. And then the copy of LLVM 18 on kernel.org apparently does not
> support kcfi at all. I gave up there, but I don't see how this would not

I asked Nathan to add libclang a few days ago, and he very quickly did
it for LLVM 18 -- though I don't know the plan for the others. I just
pinged in that thread.

Cheers,
Miguel