Re: [PATCH -tip] x86: headers - include linux/types.h instead of asm/types.h

[Ingo Molnar <mingo@elte.hu>]

* Cyrill Gorcunov <gorcunov@gmail.com> wrote:

> [Ingo Molnar - Tue, Jan 13, 2009 at 01:59:28PM +0100]
> | 
> | * Cyrill Gorcunov <gorcunov@gmail.com> wrote:
> | 
> | > [Cyrill Gorcunov - Tue, Jan 13, 2009 at 03:09:05PM +0300]
> | > | Impact: cleanup
> | > | 
> | > | 'make headers_check' warns that linux/types.h is
> | > | preferred over asm/types.h. So be it.
> | > | 
> | > | Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
> | > | CC: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
> | > | CC: Sam Ravnborg <sam@ravnborg.org>
> | > | CC: Harvey Harrison <harvey.harrison@gmail.com>
> | > | ---
> | > | 
> | > |  arch/x86/include/asm/e820.h       |    2 ++
> | > |  arch/x86/include/asm/kvm.h        |    2 +-
> | > |  arch/x86/include/asm/mce.h        |    2 +-
> | > |  arch/x86/include/asm/mtrr.h       |    1 +
> | > |  arch/x86/include/asm/ptrace-abi.h |    2 +-
> | > |  arch/x86/include/asm/sigcontext.h |    2 +-
> | > |  arch/x86/include/asm/swab.h       |    2 +-
> | > |  7 files changed, 8 insertions(+), 5 deletions(-)
> | > |
> | > ...
> | > 
> | > well... on the other hand I'm not sure if it's really
> | > a good idea to include linux/types.h where we need only
> | > __u[8,16] and so on definitions.
> | 
> | Well, linux/types.h is supposed to be a 'lightweight', 'core data types 
> | only' kind of header file, so including it is not wrong per se.
> | 
> | Sam, is there some other preferred way perhaps to resolve these?
> | 
> | 	Ingo
> | 
> 
> Until such a file not passed to some *.S. For example for e820.h we have 
> it included to arch/x86/boot/header.S but fortunately we're bound by 
> __ASSEMBLY__. So there linux/types.h shouldn't hurt. Will check others 
> and report then.

Any reason to not protect types.h with #ifndef __ASSEMBLY__ ?

	Ingo