Subject: Re: [RFC v7][PATCH 2/9] General infrastructure for checkpoint
	restart
From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Oren Laadan <orenl@cs.columbia.edu>
Cc: Peter Chubb <peterc@gelato.unsw.edu.au>, linux-api@vger.kernel.org,
       containers@lists.linux-foundation.org, mingo@elte.hu,
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       viro@zeniv.linux.org.uk, hpa@zytor.com,
       Andrew Morton <akpm@linux-foundation.org>,
       torvalds@linux-foundation.org, tglx@linutronix.de
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Date: Mon, 27 Oct 2008 09:42:32 -0700
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On Mon, 2008-10-27 at 07:03 -0400, Oren Laadan wrote:
> > In our implementation, we simply refused to checkpoint setid
> programs.
> 
> True. And this works very well for HPC applications.
> 
> However, it doesn't work so well for server applications, for
> instance.
> 
> Also, you could use file system snapshotting to ensure that the file
> system view does not change, and still face the same issue.
> 
> So I'm perfectly ok with deferring this discussion to a later time :)

Oren, is this a good place to stick a process_deny_checkpoint()?  Both
so we refuse to checkpoint, and document this as something that has to
be addressed later?

-- Dave

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