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SubjectRe: [PATCH 2/2] vhost_net: a kernel-level virtio server
On Thursday 13 August 2009, Arnd Bergmann wrote:
> Unfortunately, this also implies that you could no longer simply use the
> packet socket interface as you do currently, as I realized only now.
> This obviously has a significant impact on your user space interface.

Also, if we do the copy in the transport, it definitely means that we
can't get to zero-copy RX/TX from guest space any more. The current
vhost_net driver doesn't do that yet, but could be extended in the
same way that I'm hoping to do it for macvtap.

Arnd <><

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