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

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Message-ID: <20090113150651.GK7682@localhost>
Date:	Tue, 13 Jan 2009 18:06:51 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Harvey Harrison <harvey.harrison@...il.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Jaswinder Singh Rajput <jaswinderrajput@...il.com>
Subject: Re: [PATCH -tip] x86: headers - include linux/types.h instead of
	asm/types.h

[Cyrill Gorcunov - Tue, Jan 13, 2009 at 05:49:56PM +0300]
| [Ingo Molnar - Tue, Jan 13, 2009 at 03:45:05PM +0100]
| ...
| | > 
| | > 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
| | 
| 
| hmm... good question :) letme check
| 
| 		- Cyrill -

Dunno Ingo, it's dubious. I don't like the idea
to start including types.h into any kind of *.S
with #ifndef __ASSEMBLY__ protection. We export it
into user space and I don't remember if it mentioned
somewhere that user is not allowed to use -D__ASSEMBLY__.

Someone more experienced (then me) in this area should
asked first :-)

		- Cyrill -
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