linux-kernel - Re: [1/2] 2.6.22-rc5: known regressions with patches

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Message-ID: <467A9D67.8060504@redhat.com>
Date:	Thu, 21 Jun 2007 11:46:47 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Ian McDonald <ian.mcdonald@...di.co.nz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Miklos Szeredi <miklos@...redi.hu>,
	Ingo Molnar <mingo@...e.hu>,
	"Darrick J. Wong" <djwong@...ibm.com>, Andi Kleen <ak@...e.de>,
	Bj?rn Steinbrink <B.Steinbrink@....de>,
	William Cohen <wcohen@...hat.com>,
	"S. P. Prasanna" <prasanna@...ibm.com>,
	Antonino Daplas <adaplas@...il.com>,
	Olaf Hering <olaf@...fle.de>, Ville Syrj?l? <syrjala@....fi>,
	Jean Delvare <khali@...ux-fr.org>,
	Rudolf Marek <r.marek@...embler.cz>,
	Soeren Sonnenburg <kernel@....de>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
Subject: Re: [1/2] 2.6.22-rc5: known regressions with patches

On 06/20/2007 07:04 PM, Linus Torvalds wrote:
> As far as I know, the biggest reason to use DEBUG_RODATA is
> 
>  (a) Hey, it's a cheap way to check one thing
> 
>  (b) An added layer of security (which it's not that great for, but it 
>      might make sense to make it more of a real security feature).
> 

And as a security feature it's pretty useless if kprobes are allowed.
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