linux-kernel - Re: [PATCH 1/1] ptrace: make sure do_wait() won't hang after PTRACE

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Message-ID: <20110221165908.GO31267@htj.dyndns.org>
Date:	Mon, 21 Feb 2011 17:59:08 +0100
From:	Tejun Heo <tj@...nel.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Roland McGrath <roland@...hat.com>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	jan.kratochvil@...hat.com, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org
Subject: Re: [PATCH 1/1] ptrace: make sure do_wait() won't hang after
 PTRACE_ATTACH

Hey,

On Mon, Feb 21, 2011 at 05:49:08PM +0100, Oleg Nesterov wrote:
> > BTW, I plan on separating out all ptrace related stuff into a separate
> > struct as it's not used by most tasks anyway, so I don't think we need
> > to be too concerned about several more fields.
> 
> This is funny.
> 
> I already did this change (it even had some review on lkml). And it was
> discussed again (on archer@...rceware.org) a couple of days ago. Yes,
> probably we should finally do this. Unfortunately, this complicates the
> attach-to-all-threads request (new feature), but anyway.

Heh, well, I also have a mostly working patch but hey if you already
did it, all the better.  :-)

-- 
tejun
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