Re: [PATCHv2 03/14] virtio_ring: support event idx feature
From: Rusty Russell
Date: Fri May 20 2011 - 22:34:33 EST
On Fri, 20 May 2011 02:10:44 +0300, "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> Support for the new event idx feature:
> 1. When enabling interrupts, publish the current avail index
> value to the host to get interrupts on the next update.
> 2. Use the new avail_event feature to reduce the number
> of exits from the guest.
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