From: "H. Peter Anvin" <hpa@zytor.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Mike Frysinger <vapier@gentoo.org>,
tglx@linutronix.de, mingo@redhat.com,
Andi Kleen <andi@firstfloor.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: asm-x86/byteorder.h: clean up for userspace
Date: Tue, 01 Jan 2008 13:19:42 -0800 [thread overview]
Message-ID: <477AAE6E.8080305@zytor.com> (raw)
In-Reply-To: <20080101174708.GA25089@infradead.org>
Christoph Hellwig wrote:
> On Mon, Dec 31, 2007 at 01:12:45PM -0500, Mike Frysinger wrote:
>> Since asm-x86/byteorder.h is exported to userspace, use __asm__ rather than
>> asm in its code.
>
> The correct fix is to not export it to userspace.
Unfortunately, it's historically been provided, for over 15 years. It's
also trivial to export, without funnies, and it's *useful* to userspace,
as it provides an interface sorely lacking from the stock libc interfaces.
So please do provide it, even though it's arguably the wrong thing. The
downside is worse.
-hpa
next prev parent reply other threads:[~2008-01-01 21:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-31 18:12 asm-x86/byteorder.h: clean up for userspace Mike Frysinger
2008-01-01 15:22 ` Ingo Molnar
2008-01-01 17:47 ` Christoph Hellwig
2008-01-01 18:17 ` Mike Frysinger
2008-01-01 21:19 ` H. Peter Anvin [this message]
2008-01-02 1:31 ` Adrian Bunk
2008-01-02 2:22 ` H. Peter Anvin
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