Re: [PATCH 3/3] types: use fixed width types without double-underscore prefix

[Greg Kroah-Hartman]

On Wed, May 16, 2018 at 10:07:50AM +0900, Masahiro Yamada wrote:
> Hi Andrew,
> 
> 2018-05-16 7:59 GMT+09:00 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>:
> > On Tue, 15 May 2018 11:22:05 +0900 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote:
> >
> >> This header file is not exported.  It is safe to reference types
> >> without double-underscore prefix.
> >>
> >
> > It may be safe to do this, but why is it desirable?
> 
> 
> It is shorter. That's all.
> If it is a noise commit, please feel free to drop it.
> 
> 
> BTW, a large amount of kernel-space code
> uses underscore-prefixed types.

Sometimes it can/should do that.

> I wonder if we could check it by checkpatch.pl or something...

You do understand the difference between the two types and why/when they
are needed, right?  I don't think checkpatch.pl can determine if data is
coming from userspace or not very easily to make this a simple perl
script check :(

thanks,

greg k-h