linux-kernel - Re: [PATCH] x86: !x & y typo in mtrr code

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Date:	Wed, 30 Apr 2008 08:35:34 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Björn Steinbrink <B.Steinbrink@....de>,
	Al Viro <viro@...IV.linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
Subject: Re: [PATCH] x86: !x & y typo in mtrr code

On Wed, 2008-04-30 at 14:35 +0200, Ingo Molnar wrote:
> We for one simply concentrate on the the things that we think makes it 
> more likely to find bugs. For example we build and boot x86.git with 
> many different configs before every pull request. In practice that 
> catches far more tester-critical bugs than Sparse - and we know that 
> simply from the fact because we use both methods and have a good 
> comparison of the results. We also work on automating Sparse checks in 
> the future but as i said it, it's not easy.
> 

That's precisely why I've been sending all of the sparse cleanup patches
lately, to try and get the output down to something more managable.  You
may want to upgrade your sparse to one that understands __cold though.

Harvey

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