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

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Message-ID: <495805AE.5000000@zytor.com>
Date:	Sun, 28 Dec 2008 15:03:10 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Marcin Slusarz <marcin.slusarz@...il.com>
CC:	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

Marcin Slusarz wrote:
> On Sat, Dec 27, 2008 at 01:50:04AM -0500, Mike Frysinger wrote:
>> Use __asm__/__inline__ rather than asm/inline for all the functions
>> exported to userspace.
> 
> Why? I can't find anything related in Documentation/.

Because "asm" and "inline" are unsafe keywords in arbitrary C code, as
may be encountered in userspace.

	-hpa

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

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