Herbert Xu wrote:
On Fri, Apr 03, 2009 at 02:54:02PM +0300, Avi Kivity wrote:
It doesn't copy and queue the packet? We use O_NONBLOCK and poll() so we can tell when we can queue without blocking.

Well netif_rx queues the packet, but netif_rx_ni is netif_rx plus
an immediate flush.

But it flushes the tap device, the packet still has to go through the bridge + real interface?

Even if it's queued there, I want to know when the packet is on the wire, not on some random software or hardware queue in the middle.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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