linux-kernel - Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch

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Message-ID: <4CE6A69F.4030008@kernel.org>
Date:	Fri, 19 Nov 2010 17:32:31 +0100
From:	Tejun Heo <tj@...nel.org>
To:	Alexey Dobriyan <adobriyan@...il.com>
CC:	Kirill Korotaev <dev@...allels.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Kapil Arya <kapil@....neu.edu>,
	Gene Cooperman <gene@....neu.edu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Pavel Emelianov <xemul@...allels.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Linux Containers <containers@...ts.osdl.org>
Subject: Re: [Ksummit-2010-discuss] checkpoint-restart: naked patch

On 11/19/2010 05:27 PM, Alexey Dobriyan wrote:
> On Fri, Nov 19, 2010 at 6:19 PM, Tejun Heo <tj@...nel.org> wrote:
>>> The paragon of absurdity is struct task_struct::did_exec .
>>
>> Yeah, then go and figure how to do that in a way which would be useful
>> for other purposes too instead of trying to shove the whole
>> checkpointer inside the kernel.  It sure would be harder but hey
>> that's the way it is.
> 
> System call for one bit? This is ridiculous.

Why not just a flag in proc entry?  It's a frigging single bit.

> Doing execve(2) for userspace C/R is ridicoulous too (and likely
> doesn't work).

Really, whatever.  Just keep doing what you're doing.  Hey, if it
makes you happy, it can't be too wrong.

-- 
tejun
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