Re: [PATCH v3 1/2] rust: kasan: KASAN+RUST requires clang

[Mark Brown]

On Wed, Apr 08, 2026 at 08:32:16AM +0000, Alice Ryhl wrote:
> Kernel KASAN involves passing various llvm/gcc specific arguments to
> the C and Rust compiler. Since these arguments differ between llvm and
> gcc, it's not safe to mix an llvm-based rustc with a gcc build when
> kasan is enabled.

FWIW this has the effect of turning off rust for an allmodconfig unless
you're using LLVM=1.  That's probably the right thing to do but it means
you might've lost a bunch of coverage.

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