linux-kernel - Re: [PATCH 1/2] linux/types.h: Remove unnecessary __bitwise_

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Message-ID: <20220311161806.GA304449@bhelgaas>
Date:   Fri, 11 Mar 2022 10:18:06 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Jonathan Corbet <corbet@....net>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        "Michael S . Tsirkin" <mst@...hat.com>, llvm@...ts.linux.dev,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH 1/2] linux/types.h: Remove unnecessary __bitwise__

On Thu, Mar 10, 2022 at 05:52:16PM -0800, Andrew Morton wrote:
> On Thu, 10 Mar 2022 16:09:26 -0600 Bjorn Helgaas <helgaas@...nel.org> wrote:
> 
> > From: Bjorn Helgaas <bhelgaas@...gle.com>
> > 
> > There are no users of "__bitwise__" except the definition of "__bitwise".
> > Remove __bitwise__ and define __bitwise directly.
> > 
> > This is a follow-up to 05de97003c77 ("linux/types.h: enable endian checks
> > for all sparse builds").
> > 
> 
> Can we change the copy-pasted code in tools/include/linux/types.h while
> we're there?

Oh, you bet!  Thanks for pointing that out!

> --- a/tools/include/linux/types.h~linux-typesh-remove-unnecessary-__bitwise__-fix
> +++ a/tools/include/linux/types.h
> @@ -43,11 +43,10 @@ typedef __u8  u8;
>  typedef __s8  s8;
>  
>  #ifdef __CHECKER__
> -#define __bitwise__ __attribute__((bitwise))
> +#define __bitwise	__attribute__((bitwise))
>  #else
> -#define __bitwise__
> +#define __bitwise
>  #endif
> -#define __bitwise __bitwise__
>  
>  #define __force
>  #define __user
> _
>