Re: [PATCH] virtio-net: fix a race on 32bit arches
From: Eric Dumazet <hidden>
Date: 2012-06-06 20:08:14
Also in:
lkml, virtualization
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.