linux-kernel - Re: [PATCHSET] ptrace: kill most tracehooks

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Date:	Mon, 20 Jun 2011 07:16:58 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	linux-kernel@...r.kernel.org, oleg@...hat.com,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	hch@...radead.org
Subject: Re: [PATCHSET] ptrace: kill most tracehooks

On Fri, Jun 17, 2011 at 04:50:33PM +0200, Tejun Heo wrote:
> Hello,
> 
> At this point, tracehooks aren't useful to mainline kernel and mostly
> just add an extra layer of obfuscation.  Although they have comments,
> without actual in-kernel users, it is difficult to tell what are their
> assumptions and they're actually trying to achieve.  To mainline
> kernel, they just aren't worth keeping around.
> 
> This patchset kills most tracehooks which aren't used from arch codes.
> The remaining ones will be dealt with with future changes.

Thanks, this makes the whole ptrace interaction a lot more sensible and
actually possible to follow.

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