Re: [PATCH v7 2/4] virtio_balloon: introduce migration primitives to balloon pages
From: Rafael Aquini <hidden>
Date: 2012-08-14 20:11:33
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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 ?