Re: [PATCH 3/5] compiler-gcc: remove attribute support check for `__no_sanitize_thread__`

From: Nathan Chancellor
Date: Fri Oct 21 2022 - 17:19:12 EST


On Fri, Oct 21, 2022 at 01:59:54PM +0200, Miguel Ojeda wrote:
> The attribute was added in GCC 5.1, which matches the minimum GCC version
> supported by the kernel.
>
> Therefore, remove the check.
>
> Link: https://godbolt.org/z/vbxKejxbx
> Signed-off-by: Miguel Ojeda <ojeda@xxxxxxxxxx>

Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>

> ---
> include/linux/compiler-gcc.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
> index bfce7f4d0978..ba207deb77ca 100644
> --- a/include/linux/compiler-gcc.h
> +++ b/include/linux/compiler-gcc.h
> @@ -84,7 +84,7 @@
>
> #define __no_sanitize_address __attribute__((__no_sanitize_address__))
>
> -#if defined(__SANITIZE_THREAD__) && __has_attribute(__no_sanitize_thread__)
> +#if defined(__SANITIZE_THREAD__)
> #define __no_sanitize_thread __attribute__((__no_sanitize_thread__))
> #else
> #define __no_sanitize_thread
> --
> 2.38.1
>
>