Re: [PATCH 6.12/6.13] loongarch: Use ASM_REACHABLE

From: Miguel Ojeda
Date: Sun Mar 09 2025 - 15:56:48 EST


On Sat, 08 Mar 2025 13:37:53 +0800 Huacai Chen <chenhuacai@xxxxxxxxxxx> wrote:
>
> From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
>
> commit 624bde3465f660e54a7cd4c1efc3e536349fead5 upstream.
>
> annotate_reachable() is unreliable since the compiler is free to place
> random code inbetween two consecutive asm() statements.
>
> This removes the last and only annotate_reachable() user.
>
> Backport to solve a build error since relevant commits have already been
> backported.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Link: https://lore.kernel.org/r/20241128094312.133437051@xxxxxxxxxxxxx
> Closes: https://lore.kernel.org/loongarch/20250307214943.372210-1-ojeda@xxxxxxxxxx/
> Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>

This indeed removes the build failure for me -- built-tested for loongarch64
(together with the rest of the Rust long backport series):

Tested-by: Miguel Ojeda <ojeda@xxxxxxxxxx>

Thanks!

Cheers,
Miguel