Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [PATCH 1/2] virtio: support unlocked queue poll | Date | Wed, 10 Jul 2013 12:39:58 +0930 |
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"Michael S. Tsirkin" <mst@redhat.com> writes: > This adds a way to check ring empty state after enable_cb outside any > locks. Will be used by virtio_net. > > Note: there's room for more optimization: caller is likely to have a > memory barrier already, which means we might be able to get rid of a > barrier here. Deferring this optimization until we do some > benchmarking. > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Thanks, Rusty.
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