linux-kernel - Re: [PATCH] x86 byteorder.h: use __asm__/__inline_

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Date:	Wed, 07 Jan 2009 16:44:18 +0000
From:	David Woodhouse <dwmw2@...radead.org>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Mike Frysinger <vapier@...too.org>, tglx@...utronix.de,
	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86 byteorder.h: use __asm__/__inline__ for userspace

On Sat, 2008-12-27 at 20:12 +0100, Sam Ravnborg wrote:
> 
> Speaking of what we want to use in exported headers.
> What is the recommendation with respect to uint32_t and friends?
> To my best knowledge they are banned in exported headers as they
> are not part of the kernel namespace and I see few users too.
> But is this something we should check for?

No, they're not banned. There are a few cases where they can't be used
and we have to use the kernels "speshul" __u32 types, because certain
headers get included by glibc and we can't "pollute" the namespace with
the C standard types. But in _most_ cases, using the standard C types is
just fine.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation

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