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From:   Nick Desaulniers <ndesaulniers@google.com>
Date:   Fri, 31 Aug 2018 11:39:17 -0700
Message-ID: <CAKwvOdk9ck_85u5-_eHwrtNu260HM5X5HRsqh8aKfK66CJH6jw@mail.gmail.com>
Subject: Re: [PATCH 1/7] Compiler Attributes: remove unused attributes
To:     Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>, efriedma@codeaurora.org,
        sparse@chrisli.org, Kees Cook <keescook@chromium.org>,
        Ingo Molnar <mingo@kernel.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg KH <gregkh@linuxfoundation.org>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        joe@perches.com, asmadeus@codewreck.org
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On Fri, Aug 31, 2018 at 10:05 AM Miguel Ojeda
<miguel.ojeda.sandonis@gmail.com> wrote:
>
> __optimize and __deprecate_for_modules are unused in
> the whole kernel tree. Simply drop them.

Indeed.
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>

>
> Cc: Eli Friedman <efriedma@codeaurora.org>
> Cc: Christopher Li <sparse@chrisli.org>
> Cc: Kees Cook <keescook@chromium.org>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
> Cc: Joe Perches <joe@perches.com>
> Cc: Dominique Martinet <asmadeus@codewreck.org>
> Cc: Nick Desaulniers <ndesaulniers@google.com>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
> ---
>  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