linux-kernel - Re: [PATCH] kbuild: auto-convert size types in userspace headers

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Date:	Mon, 29 Dec 2008 15:35:45 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	Mike Frysinger <vapier@...too.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: auto-convert size types in userspace headers

Sam Ravnborg wrote:
> On Mon, Dec 29, 2008 at 06:12:33AM -0500, Mike Frysinger wrote:
>> Rather than constantly fixing up size type breakage in userspace headers,
>> auto convert the types u_intXX_t, uintXX_t, intXX_t, uXX, and sXX to the
>> appropriate __uXX or __sXX type.
> 
> Is this the right thing to do?
> uintXX_t belongs to a namespace that the kernel should not use.
> 
> So being restrictive here would be better I think.

That's the whole point right here.

All of these types can be -- and are -- used by the kernel internally,
but should only be exported as __uXX or __sXX.

This is the auto-conversion idea I brought up earlier.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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