lkml.org 
[lkml]   [2022]   [Oct]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 5/5] compiler-gcc: document minimum version for `__no_sanitize_coverage__`
On Fri, Oct 21, 2022 at 01:59:56PM +0200, Miguel Ojeda wrote:
> The attribute was added in GCC 12.1.
>
> This will simplify future cleanups, and is closer to what we do
> in `compiler_attributes.h`.
>
> Link: https://godbolt.org/z/MGbT76j6G
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Reviewed-by: Nathan Chancellor <nathan@kernel.org>

> ---
> include/linux/compiler-gcc.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
> index 7f2c2bb73815..7af9e34ec261 100644
> --- a/include/linux/compiler-gcc.h
> +++ b/include/linux/compiler-gcc.h
> @@ -92,6 +92,9 @@
>
> #define __no_sanitize_undefined __attribute__((__no_sanitize_undefined__))
>
> +/*
> + * Only supported since gcc >= 12
> + */
> #if defined(CONFIG_KCOV) && __has_attribute(__no_sanitize_coverage__)
> #define __no_sanitize_coverage __attribute__((__no_sanitize_coverage__))
> #else
> --
> 2.38.1
>
>

\
 
 \ /
  Last update: 2022-10-21 23:22    [W:0.063 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site