linux-kernel - Re: [PATCH 11/17] ptrace: implement PTRACE

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Message-ID: <20110601195520.GA9695@redhat.com>
Date:	Wed, 1 Jun 2011 21:55:20 +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: [PATCH 11/17] ptrace: implement PTRACE_SEIZE

On 06/01, Oleg Nesterov wrote:
>
> On 05/30, Tejun Heo wrote:
> >
> > * If PTRACE_SEIZE'd, group stop uses PTRACE_EVENT_STOP trap which uses
> >   exit_code of (SIGTRAP | PTRACE_EVENT_STOP << 8) instead of the
> >   stopping signal number
>
> Hmm. May be it would be better to report stopping_signal | PTRACE_EVENT_STOP
> instead... I am not sure yet, but it seems this way we can avoid the
> PTRACE_GETSIGINFO changes. I'll try to explain later, when I finsh the
> reading.

Tomorrow. I do not see any problems, the whole series looks fine to me.
Except I have some minor concerns which I need to re-check and summarize.

Oleg.

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