linux-kernel - Re: [mingo@...e.hu: [git pull] headers

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Message-ID: <497FA2F5.2040806@zytor.com>
Date:	Tue, 27 Jan 2009 16:12:37 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Jaswinder Singh Rajput <jaswinderrajput@...il.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [mingo@...e.hu: [git pull] headers_check fixes]

Linus Torvalds wrote:
> 
> Do you think the "fix headers_check" patches spend lots of time analyzing 
> things? I bet no. They just try to make the warning go away, so you don't 
> actually end up with any more "coverage" anyway. Quite the reverse - 
> instead of having a simple rule ("CONFIG_xyz options simply do not exist 
> in user space"), you end up having ad-hoc hacks on a per-fix basis.
> 

This is probably true.  I think we should add this as one more of the 
preprocessing rules which we really should just do, as well as automatic 
mangling of integer types.

	-hpa

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