linux-kernel - Re: [RFC] [PATCH 00/19] Non disruptive application core dump infrastructure using task_work

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Message-ID: <524E9AB3.2080307@parallels.com>
Date:	Fri, 4 Oct 2013 14:38:43 +0400
From:	Pavel Emelyanov <xemul@...allels.com>
To:	Janani Venkataraman <jananive@...ibm.com>
CC:	<linux-kernel@...r.kernel.org>, <amwang@...hat.com>,
	<rdunlap@...otime.net>, <andi@...stfloor.org>,
	<aravinda@...ux.vnet.ibm.com>, <hch@....de>, <mhiramat@...hat.com>,
	<jeremy.fitzhardinge@...rix.com>, <suzuki@...ux.vnet.ibm.com>,
	<kosaki.motohiro@...fujitsu.com>, <adobriyan@...il.com>,
	<tarundsk@...ux.vnet.ibm.com>, <vapier@...too.org>,
	<roland@...k.frob.com>, <tj@...nel.org>,
	<ananth@...ux.vnet.ibm.com>, <gorcunov@...nvz.org>,
	<avagin@...nvz.org>, <oleg@...hat.com>, <eparis@...hat.com>,
	<d.hatayama@...fujitsu.com>, <james.hogan@...tec.com>,
	<akpm@...ux-foundation.org>, <torvalds@...ux-foundation.org>
Subject: Re: [RFC] [PATCH 00/19] Non disruptive application core dump infrastructure
 using task_work_add()

On 10/04/2013 02:30 PM, Janani Venkataraman wrote:
> Hi all,
> 

> This series is based on the Task work add approach. We didn't adopt the CRIU
> approch because of the following reasons:
> 
> * It is not upstream yet.

It is, starting from criu-v0.7 + linux-3.11

> * There are concerns about the security of the dump.

Can you elaborate on this? Is it fixable in CRIU at all?

> * It involves a lot of changes and this approach provides a UNIX style 
>   interface.

Can you also shed more light on this -- what changes do you mean?
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