linux-kernel - Re: [PATCHSET ptrace] ptrace: implement PTRACE_SEIZE/INTERRUPT and group stop notification, take#4

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Message-ID: <20110530154211.GA11325@redhat.com>
Date:	Mon, 30 May 2011 17:42:11 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	vda.linux@...glemail.com, jan.kratochvil@...hat.com,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, indan@....nu, bdonlan@...il.com,
	pedro@...esourcery.com
Subject: Re: [PATCHSET ptrace] ptrace: implement PTRACE_SEIZE/INTERRUPT and
	group stop notification, take#4

Hi Tejun,

On 05/30, Tejun Heo wrote:
>
> * PTRACE_LISTEN added.  This puts tracee into quasi-active state where
>   wait(2) and sync ptrace requests fail and tracee is allowed to
>   re-trap into STOP to notify an async event.

Nice!

Personally, I think the whole series is fine. So far I only read it
inline (without applying). I'll try to read it carefully patch-by-patch,
it is always good to try to re-check the details, but I do not expect
I'll find something which should delay this series from merging into
ptrace tree.

Thanks Tejun ;)

Oleg.

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