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Date:	Tue, 22 May 2007 08:48:04 +0100
From:	Keir Fraser <>
To:	Kieran Mansley <>,
	Stephen Hemminger <>
CC:	<>, <>,
	<>, <>
Subject: Re: [Xen-devel] Re: [PATCH 3/4] [Net] Support Xen accelerated
 network plugin modules

On 22/5/07 08:28, "Kieran Mansley" <> wrote:

> On Tue, 2007-05-22 at 08:15 +0100, Kieran Mansley wrote:
>> RCU on its own wouldn't
>> prevent the accelerated plugin being unloaded while netfront was using
>> one of the hooks.
> Hmm, actually I think it could be used to do that.  I'll take a look.

Eagerly zap the function pointers, then wait one RCU period so every CPU
goes through a quiescent point before unloading the module?

 -- Keir

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