Re: [PATCH] loongarch: Do not select HAVE_RUST when KASAN is enabled

[Miguel Ojeda]

On Thu, Sep 3, 2026 at 10:12 PM Nathan Chancellor <nathan@xxxxxxxxxx> wrote:
>
> After commit 2625480a1bf7 ("hardening: Default randstruct off with rust
> for better allmodconfig support"), which allows Rust to be enabled for
> allmodconfig, ARCH=loongarch allmodconfig starts failing with:
>
>   error: kernel-address sanitizer is not supported for this target
>
>   error: aborting due to 1 previous error
>
>   make[4]: *** [rust/Makefile:741: rust/core.o] Error 1
>
> For the same reason as commit 84a0f7caafc6 ("ARM: Do not select
> HAVE_RUST when KASAN is enabled"), do not select HAVE_RUST when KASAN is
> enabled until the loongarch64-unknown-none-softfloat target in rustc
> supports KASAN.
>
> Fixes: 90868ff9cade ("LoongArch: Enable initial Rust support")
> Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>

Sounds good to me -- if LoongArch gives their Acked-by, then I can
take it in the rust-fixes PR I will send soon; otherwise, this can go
through their tree or Kbuild's I guess.

Thanks!

Cheers,
Miguel