Re: [PATCH 1/7] Compiler Attributes: remove unused attributes
From: Nick Desaulniers
Date: Fri Aug 31 2018 - 14:39:36 EST
On Fri, Aug 31, 2018 at 10:05 AM Miguel Ojeda
<miguel.ojeda.sandonis@xxxxxxxxx> wrote:
>
> __optimize and __deprecate_for_modules are unused in
> the whole kernel tree. Simply drop them.
Indeed.
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
>
> Cc: Eli Friedman <efriedma@xxxxxxxxxxxxxx>
> Cc: Christopher Li <sparse@xxxxxxxxxxx>
> Cc: Kees Cook <keescook@xxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> Cc: Joe Perches <joe@xxxxxxxxxxx>
> Cc: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>
> Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
> ---
> include/linux/compiler-gcc.h | 2 --
> include/linux/compiler.h | 4 ----
> include/linux/compiler_types.h | 1 -
> 3 files changed, 7 deletions(-)
>
> diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
> index 763bbad1e258..0a2d06677d83 100644
> --- a/include/linux/compiler-gcc.h
> +++ b/include/linux/compiler-gcc.h
> @@ -95,8 +95,6 @@
>
> #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>
> -#define __optimize(level) __attribute__((__optimize__(level)))
> -
> #define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
>
> #ifndef __CHECKER__
> diff --git a/include/linux/compiler.h b/include/linux/compiler.h
> index 681d866efb1e..7c0157d50964 100644
> --- a/include/linux/compiler.h
> +++ b/include/linux/compiler.h
> @@ -301,10 +301,6 @@ static inline void *offset_to_ptr(const int *off)
>
> #endif /* __ASSEMBLY__ */
>
> -#ifndef __optimize
> -# define __optimize(level)
> -#endif
> -
> /* Compile time object size, -1 for unknown */
> #ifndef __compiletime_object_size
> # define __compiletime_object_size(obj) -1
> diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
> index 3525c179698c..b6534292ea33 100644
> --- a/include/linux/compiler_types.h
> +++ b/include/linux/compiler_types.h
> @@ -108,7 +108,6 @@ struct ftrace_likely_data {
>
> /* Don't. Just don't. */
> #define __deprecated
> -#define __deprecated_for_modules
>
> #endif /* __KERNEL__ */
>
> --
> 2.17.1
>
--
Thanks,
~Nick Desaulniers