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

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Message-ID: <20110603153734.GC23757@redhat.com>
Date:	Fri, 3 Jun 2011 17:37:34 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Denys Vlasenko <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

On 06/03, Tejun Heo wrote:
>
> Okay, you want to preserve %NULL SIGINFO on all STOP traps.  Dropping
> si_pt_flags and using exit_code makes sense but I think we'll be
> better off enabling GETSIGINFO.

Agreed. I do not see why GETSIGINFO should fail.

Oleg.

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