On Wed, 2012-06-06 at 22:58 +0300, Michael S. Tsirkin wrote:

> Absolutely, I am talking about virtio here.  I'm not kicking
> u64_stats_sync idea I am just saying that simple locking
> would work for virtio and might be better as it
> gives us a way to get counters atomically.

Which lock do you own in the RX path ?

You'll have to add a lock in fast path. This sounds really a bad choice
to me.


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