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Re: [Qemu-devel] [PATCH 0/2][RFC] postcopy migration: Linux char device

From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH 0/2][RFC] postcopy migration: Linux char device for postcopy
Date: Thu, 29 Dec 2011 16:55:11 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0

On 12/29/2011 04:49 PM, Isaku Yamahata wrote:
> > > Great, then we agreed with list/reattach basically.
> > > (Maybe identity scheme needs reconsideration.)
> > 
> > I guess we miscommunicated.  Why is reattach needed?  If you have the
> > fd, nothing else is needed.
> What if malicious process close the fd and does page fault intentionally?
> Unkillable process issue remains.
> I think we are talking not only qemu case but also general case.

It's not unkillable.  If you sleep with TASK_INTERRUPTIBLE then you can
process signals.  This includes SIGKILL.

error compiling committee.c: too many arguments to function

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