lkml.org 
[lkml]   [2017]   [Aug]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 1/2] misc: Add vboxguest driver for Virtual Box Guest integration
On Sat, Aug 12, 2017 at 11:56:22PM +0200, Hans de Goede wrote:
> > 'u32' is not an approprioate type for a kernel header, use '__u32'
> > instead.
>
> Huh I thought that u32 was preferred, but I guess that it is not allowed
> in uapi headers due to potential conflicts and it should be __u32 in uapi
> headers ?

The __ version should always be used in structures/variables that cross
the user/kernel boundry as they are guaranteed to be correct that way.
That is a requirement.

Use the "normal" non __ versions for in-kernel only variables.

hope this helps,

greg k-h

\
 
 \ /
  Last update: 2017-08-13 01:23    [W:0.067 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site