From mboxrd@z Thu Jan  1 00:00:00 1970
From: Muli Ben-Yehuda <mulix@mulix.org>
Subject: Re: [virtio-dev] Zerocopy VM-to-VM networking using virtio-net
Date: Mon, 27 Apr 2015 16:08:15 +0300
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Rik van Riel <riel@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jan Kiszka <jan.kiszka@siemens.com>, Andrew Jones <drjones@redhat.com>, Linux Virtualization <virtualization@lists.linux-foundation.org>, Luke Gorrie <luke@snabb.co>, Stefan Hajnoczi <stefanha@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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On Mon, Apr 27, 2015 at 02:01:05PM +0100, Stefan Hajnoczi wrote:

> A hardware solution would be some kind of inter-guest interrupt
> injection.  I don't know VMX well enough to know whether that is
> possible on Intel CPUs.

It is: http://www.mulix.org/pubs/eli/eli.pdf.

(And there's hardware coming down the pipe that will make (some) of
the nasty tricks we used unnecessary).

Cheers,
Muli