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Date: Tue, 30 Nov 2004 16:37:25 -0800 (PST)
From: Linus Torvalds <torvalds@osdl.org>
To: David Woodhouse <dwmw2@infradead.org>
cc: Alexandre Oliva <aoliva@redhat.com>, dhowells <dhowells@redhat.com>,
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       Matthew Wilcox <matthew@wil.cx>, hch@infradead.org,
       linux-kernel@vger.kernel.org, libc-hacker@sources.redhat.com
Subject: Re: [RFC] Splitting kernel headers and deprecating __KERNEL__
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On Wed, 1 Dec 2004, David Woodhouse wrote:
> 
> The concept isn't at all hard to understand. But no patch is 'obviously
> correct' if you want to protect against the _slightest_ possibility that
> people might be abusing something you're taking away. 

I really disagree. That's kind of my point. We _can_ make sure that there 
is abzolutely zero semantic content change.

People both inside and outside the kernel who use the old <linux/xxx.h>
headers will get exactly what they got before if we do it right.

> Some people might define __KERNEL__ on purpose when compiling something
> in userspace, to get something that would otherwise be hidden from them.
> Would you consider that sacrosanct too?

Why _do_ you want to break things? Do the cleanup. Don't do the breakage.

		Linus