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From: Matt Mackall <mpm@selenic.com>
To: Jonathan Lundell <linux@lundell-bros.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ethtool.h should use userspace-accessible types
Date: Sat, 13 Mar 2004 21:25:01 -0600	[thread overview]
Message-ID: <20040314032501.GT20174@waste.org> (raw)
In-Reply-To: <p0610032fbc77de2c9c28@[192.168.0.3]>

On Fri, Mar 12, 2004 at 01:48:54PM -0800, Jonathan Lundell wrote:
> At 10:06 AM -0700 3/12/04, Eric W. Biederman wrote:
> >My intent was to say:  Why change the types when there is no #ifdef
> >__KERNEL__ in the header.  With no #ifdef __KERNEL__ it exports
> >definitions that are private to the kernel making it not safe for
> >userspace to use.  With kernel private definitions in there it will
> >generate name space pollution if included by user space.
> 
> Presumably because it *is* included by userspace, because it defines 
> the interface between the kernel and userspace; of course userspace 
> will (does) include it.

Well that's a bug. You don't include kernel headers in userspace.
Doing so has been deprecated for 8 years and 3 major releases.

-- 
Matt Mackall : http://www.selenic.com : Linux development and consulting

  reply	other threads:[~2004-03-14  3:25 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-12  1:54 [PATCH] ethtool.h should use userspace-accessible types Eric Brower
2004-03-12  2:35 ` Tim Hockin
2004-03-12  4:57   ` Greg KH
2004-03-12  9:19     ` Tim Hockin
2004-03-12 16:25 ` Eric W. Biederman
2004-03-12 16:54   ` Jeff Garzik
2004-03-12 17:06     ` Eric W. Biederman
2004-03-12 21:48       ` Jonathan Lundell
2004-03-14  3:25         ` Matt Mackall [this message]
2004-03-15 21:24           ` Jonathan Lundell
2004-03-12 16:54 ` Jeff Garzik

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