Re: [PATCH v7 2/4] virtio_balloon: introduce migration primitives toballoon pages

[Rafael Aquini]

On Tue, Aug 14, 2012 at 10:51:39PM +0300, Michael S. Tsirkin wrote:
> What I think you should do is use rcu for access.
> And here sync rcu before freeing.
> Maybe an overkill but at least a documented synchronization
> primitive, and it is very light weight.
> 

I liked your suggestion on barriers, as well.

Rik, Mel ?

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