Re: [PATCH 1/2] linux/types.h: Remove unnecessary __bitwise__

From: Bjorn Helgaas
Date: Fri Mar 11 2022 - 11:18:14 EST


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@xxxxxxxxxx> wrote:
>
> > From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> >
> > 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
> _
>