linux-kernel - Re: [PATCH 5/4] x86: fix up asm-x86/pgtable*.h formatting

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Message-ID: <20071211085423.GF20172@elte.hu>
Date:	Tue, 11 Dec 2007 09:54:23 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Glauber de Oliveira Costa <glommer@...il.com>
Subject: Re: [PATCH 5/4] x86: fix up asm-x86/pgtable*.h formatting


* Christoph Hellwig <hch@...radead.org> wrote:

> On Mon, Dec 10, 2007 at 12:55:33PM -0800, Jeremy Fitzhardinge wrote:
> > +#define set_pte_atomic(pteptr, pteval)		set_pte(pteptr,pteval)
> > +#define set_pte_present(mm,addr,ptep,pteval)	set_pte_at(mm,addr,ptep,pteval)
> >  
> > +#define pte_clear(mm,addr,xp)				\
> > +	do {						\
> > +		set_pte_at(mm, addr, xp, __pte(0));	\
> > +	} while (0)
> > +
> >  #undef pmd_clear
> > +#define pmd_clear(xp)				\
> > +	do {					\
> > +		set_pmd(xp, __pmd(0));		\
> > +	} while (0)
> 
> What about turning these into inline functions to get better type 
> checking?

yes, please. That will also trigger and resolve any still present 
include file dependency mess. Macros are often used to hack around 
unclean include file layouts.

	Ingo
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