linux-kernel - Re: [PATCH] Compiler Attributes: counted

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Date: Tue, 9 Jan 2024 08:04:20 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Sergey Senozhatsky <senozhatsky@...omium.org>,
 Miguel Ojeda <ojeda@...nel.org>, Kees Cook <keescook@...omium.org>
Cc: Nathan Chancellor <nathan@...nel.org>,
 Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling
 <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>,
 linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] Compiler Attributes: counted_by: bump compiler versions



On 1/9/24 07:36, Sergey Senozhatsky wrote:
> Bump compiler versions, as GCC is expected to implement it
> in version 15 and current clang-18 still has no support for
> counted_by(). Also fix clang URL - the project has moved
> to github.
> 
> Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>

Reviewed-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Thanks!
--
Gustavo

> ---
>   include/linux/compiler_attributes.h | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
> index 28566624f008..1829c24c3357 100644
> --- a/include/linux/compiler_attributes.h
> +++ b/include/linux/compiler_attributes.h
> @@ -95,11 +95,11 @@
>   #endif
>   
>   /*
> - * Optional: only supported since gcc >= 14
> - * Optional: only supported since clang >= 18
> + * Optional: only supported since gcc >= 15
> + * Optional: only supported since clang >= 19
>    *
>    *   gcc: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108896
> - * clang: https://reviews.llvm.org/D148381
> + * clang: https://github.com/llvm/llvm-project/pull/76348
>    */
>   #if __has_attribute(__counted_by__)
>   # define __counted_by(member)		__attribute__((__counted_by__(member)))