From: Avi Kivity <avi@redhat.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Gregory Haskins <ghaskins@novell.com>,
alacrityvm-devel@lists.sourceforge.net,
"Michael S. Tsirkin" <mst@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [PATCH 0/7] AlacrityVM guest drivers Reply-To:
Date: Thu, 06 Aug 2009 18:50:59 +0300 [thread overview]
Message-ID: <4A7AFBE3.5080200@redhat.com> (raw)
In-Reply-To: <200908061740.04276.arnd@arndb.de>
On 08/06/2009 06:40 PM, Arnd Bergmann wrote:
> 3. The ioq method seems to be the real core of your work that makes
> venet perform better than virtio-net with its virtqueues. I don't see
> any reason to doubt that your claim is correct. My conclusion from
> this would be to add support for ioq to virtio devices, alongside
> virtqueues, but to leave out the extra bus_type and probing method.
>
The current conjecture is that ioq outperforms virtio because the host
side of ioq is implemented in the host kernel, while the host side of
virtio is implemented in userspace. AFAIK, no one pointed out
differences in the protocol which explain the differences in performance.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-08-06 15:50 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-03 17:17 [PATCH 0/7] AlacrityVM guest drivers Gregory Haskins
2009-08-03 17:17 ` [PATCH 1/7] shm-signal: shared-memory signals Gregory Haskins
2009-08-06 13:56 ` Arnd Bergmann
2009-08-06 15:11 ` Gregory Haskins
2009-08-06 20:51 ` Ira W. Snyder
2009-08-03 17:17 ` [PATCH 2/7] ioq: Add basic definitions for a shared-memory, lockless queue Gregory Haskins
2009-08-03 17:17 ` [PATCH 3/7] vbus: add a "vbus-proxy" bus model for vbus_driver objects Gregory Haskins
2009-08-03 17:17 ` [PATCH 4/7] vbus-proxy: add a pci-to-vbus bridge Gregory Haskins
2009-08-06 14:42 ` Arnd Bergmann
2009-08-06 15:59 ` Gregory Haskins
2009-08-06 17:03 ` Arnd Bergmann
2009-08-06 21:04 ` Gregory Haskins
2009-08-06 22:57 ` Arnd Bergmann
2009-08-07 4:42 ` Gregory Haskins
2009-08-07 14:57 ` Arnd Bergmann
2009-08-07 15:44 ` Gregory Haskins
2009-08-07 15:55 ` Ira W. Snyder
2009-08-07 18:25 ` Gregory Haskins
2009-08-03 17:17 ` [PATCH 5/7] ioq: add driver-side vbus helpers Gregory Haskins
2009-08-03 17:18 ` [PATCH 6/7] net: Add vbus_enet driver Gregory Haskins
2009-08-03 18:30 ` Stephen Hemminger
2009-08-03 20:10 ` Gregory Haskins
2009-08-03 20:19 ` Stephen Hemminger
2009-08-03 20:24 ` Gregory Haskins
2009-08-03 20:29 ` Stephen Hemminger
2009-08-04 1:14 ` [PATCH v2] " Gregory Haskins
2009-08-04 2:38 ` David Miller
2009-08-04 13:57 ` [Alacrityvm-devel] " Gregory Haskins
2009-10-02 15:33 ` [PATCH v3] " Gregory Haskins
2009-08-03 17:18 ` [PATCH 7/7] venet: add scatter-gather/GSO support Gregory Haskins
2009-08-03 18:32 ` Stephen Hemminger
2009-08-03 19:30 ` Gregory Haskins
2009-08-03 18:33 ` Stephen Hemminger
2009-08-03 19:57 ` Gregory Haskins
2009-08-06 8:19 ` [PATCH 0/7] AlacrityVM guest drivers Reply-To: Michael S. Tsirkin
2009-08-06 10:17 ` Michael S. Tsirkin
2009-08-06 12:09 ` Gregory Haskins
2009-08-06 12:08 ` Gregory Haskins
2009-08-06 12:24 ` Michael S. Tsirkin
2009-08-06 13:00 ` Gregory Haskins
2009-08-06 12:54 ` Avi Kivity
2009-08-06 13:03 ` Gregory Haskins
2009-08-06 13:44 ` Avi Kivity
2009-08-06 13:45 ` Gregory Haskins
2009-08-06 13:57 ` Avi Kivity
2009-08-06 14:06 ` Gregory Haskins
2009-08-06 15:40 ` Arnd Bergmann
2009-08-06 15:45 ` Michael S. Tsirkin
2009-08-06 15:50 ` Avi Kivity [this message]
2009-08-06 16:55 ` Gregory Haskins
2009-08-09 7:48 ` Avi Kivity
2009-08-06 16:29 ` Gregory Haskins
2009-08-06 23:23 ` Ira W. Snyder
2009-08-06 13:59 ` Michael S. Tsirkin
2009-08-06 14:07 ` Gregory Haskins
2009-08-07 14:19 ` Anthony Liguori
2009-08-07 15:05 ` [PATCH 0/7] AlacrityVM guest drivers Gregory Haskins
2009-08-07 15:46 ` Anthony Liguori
2009-08-07 18:04 ` Gregory Haskins
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