linux-kernel - Re: [linux-next][PATCH] revert headers

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Message-ID: <20090206154539.GP18368@elte.hu>
Date:	Fri, 6 Feb 2009 16:45:39 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Jaswinder Singh Rajput <jaswinder@...nel.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Jaswinder Singh Rajput <jaswinderlinux@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	hskinnemoen@...el.com, cooloney@...nel.org, tony.luck@...el.com,
	ralf@...ux-mips.org, dhowells@...hat.com, matthew@....cx,
	chris@...kel.net, LKML <linux-kernel@...r.kernel.org>,
	linux-next <linux-next@...r.kernel.org>,
	linux-ia64 <linux-ia64@...r.kernel.org>
Subject: Re: [linux-next][PATCH] revert headers_check fix: ia64, fpu.h


* Russell King - ARM Linux <linux@....linux.org.uk> wrote:

> On Fri, Feb 06, 2009 at 08:59:01PM +0530, Jaswinder Singh Rajput wrote:
> > On Fri, 2009-02-06 at 15:55 +0100, Ingo Molnar wrote:
> > > * KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:
> > > 
> > > > > > Index: b/arch/ia64/include/asm/fpu.h
> > > > > > ===================================================================
> > > > > > --- a/arch/ia64/include/asm/fpu.h
> > > > > > +++ b/arch/ia64/include/asm/fpu.h
> > > > > > @@ -6,7 +6,7 @@
> > > > > >  *     David Mosberger-Tang <davidm@....hp.com>
> > > > > >  */
> > > > > >
> > > > > > -#include <linux/types.h>
> > > > > > +#include <asm/types.h>
> > > > > >
> > > > > 
> > > > > No , we do not even need asm/types.h
> > > > > 
> > > > > Subject: [PATCH] Neither asm/types.h nor linux/types.h is not required
> > > > > for arch/ia64/include/asm/fpu.h
> > > > > 
> > > > > Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
> > > > 
> > > > ok. I confirmed.
> > > > 	Tested-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> > > > 	Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> > > 
> > > Thanks.
> > > 
> > > Jaswinder, mind adding these tags to the commit and sending a pull request 
> > > with all fixes?
> > 
> > The following changes since commit 0b86a4e34d885e734a4c4e46293376f3f1c639eb:
> >   Ingo Molnar (1):
> >         Merge branch 'core/header-fixes' of git://git.kernel.org/.../jaswinder/linux-2.6-tip into core/header-fixes
> > 
> > are available in the git repository at:
> > 
> >   git://git.kernel.org/pub/scm/linux/kernel/git/jaswinder/linux-2.6-tip.git core/header-fixes
> > 
> > Jaswinder Singh Rajput (2):
> >       Neither asm/types.h nor linux/types.h is required for arch/ia64/include/asm/fpu.h
> >       make linux/types.h as assembly safe
> 
> I continue to disagree with the need for the second patch.

But have not replied to my mail about that so far.

Why is it wrong to make types.h an assembly-invariant? It is positively 
helpful for mixed-mode headers and has no downsides whatsoever.

	Ingo
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