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From: Jeff Garzik <jeff@garzik.org>
To: Leonid Grossman <Leonid.Grossman@neterion.com>
Cc: hadi@cyberus.ca, "Waskiewicz Jr,
	Peter P" <peter.p.waskiewicz.jr@intel.com>,
	Patrick McHardy <kaber@trash.net>,
	davem@davemloft.net, netdev@vger.kernel.org, "Kok,
	Auke-jan H" <auke-jan.h.kok@intel.com>,
	Ramkrishna Vepa <Ramkrishna.Vepa@neterion.com>,
	Alex Aizman <aaizman@neterion.com>
Subject: Re: [PATCH] NET: Multiqueue network device support.
Date: Sat, 09 Jun 2007 18:14:04 -0400	[thread overview]
Message-ID: <466B262C.6000109@garzik.org> (raw)
In-Reply-To: <78C9135A3D2ECE4B8162EBDCE82CAD7701B7D6BC@nekter>

Leonid Grossman wrote:
> But my point was that while virtualization capabilities of upcoming NICs
> may be not even relevant to Linux, the multi-channel hw designs (a side
> effect of virtualization push, if you will) will be there and a
> non-virtualized stack can take advantage of them.


I'm looking at the current hardware virtualization efforts, and often 
grimacing.  A lot of these efforts assume that "virtual PCI devices" 
will be wonderful virtualization solutions, without stopping to think 
about global events that affect all such devices, such as silicon resets 
or errata workarounds.  In the real world, you wind up having to 
un-virtualize to deal with certain exceptional events.

But as you point out, these hardware virt efforts can bestow benefits on 
non-virtualized stacks.

	Jeff

  reply	other threads:[~2007-06-09 22:17 UTC|newest]

Thread overview: 153+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-04 21:40 [RFC] NET: Multiple queue hardware support PJ Waskiewicz
2007-06-04 21:40 ` [PATCH] NET: Multiqueue network device support PJ Waskiewicz
2007-06-05 11:50   ` jamal
2007-06-05 15:51     ` Waskiewicz Jr, Peter P
2007-06-05 22:28       ` jamal
2007-06-06 15:11         ` Patrick McHardy
2007-06-06 22:13           ` jamal
2007-06-06 22:30             ` Waskiewicz Jr, Peter P
2007-06-06 22:40               ` David Miller
2007-06-06 23:35                 ` jamal
2007-06-06 23:56                   ` David Miller
2007-06-07 16:08                     ` Stephen Hemminger
2007-06-07 16:59                       ` Waskiewicz Jr, Peter P
2007-06-11 12:08                         ` Patrick McHardy
2007-06-07 22:04                       ` jamal
2007-06-09 14:58               ` Leonid Grossman
2007-06-09 19:23                 ` jamal
2007-06-09 21:23                   ` Leonid Grossman
2007-06-09 22:14                     ` Jeff Garzik [this message]
2007-06-10  3:02                     ` jamal
2007-06-10 15:27                       ` Leonid Grossman
2007-06-06 22:35             ` David Miller
2007-06-06 22:57               ` Waskiewicz Jr, Peter P
2007-06-06 23:00                 ` David Miller
2007-06-06 23:14                   ` Waskiewicz Jr, Peter P
2007-06-06 23:36                     ` Jeff Garzik
2007-06-06 23:32               ` jamal
2007-06-06 23:48                 ` Rick Jones
2007-06-06 23:54                   ` jamal
2007-06-07  0:01                     ` David Miller
2007-06-06 23:58                   ` David Miller
2007-06-06 23:52                 ` David Miller
2007-06-07  0:47                   ` Jeff Garzik
2007-06-07 12:29                     ` jamal
2007-06-07 15:03                       ` Kok, Auke
2007-06-07 21:57                         ` jamal
2007-06-07 22:06                           ` Kok, Auke
2007-06-07 22:26                             ` jamal
2007-06-07 22:30                               ` Kok, Auke
2007-06-07 22:57                                 ` jamal
2007-06-07 22:44                           ` David Miller
2007-06-07 22:54                             ` jamal
2007-06-07 23:00                               ` David Miller
2007-06-07 23:03                                 ` jamal
2007-06-08  0:31                                 ` Sridhar Samudrala
2007-06-08  1:35                                   ` jamal
2007-06-08 10:39                                     ` Herbert Xu
2007-06-08 11:34                                       ` jamal
2007-06-08 12:37                                         ` Herbert Xu
2007-06-08 13:12                                           ` jamal
2007-06-09 11:08                                             ` Herbert Xu
2007-06-09 14:36                                               ` jamal
2007-06-08  5:32                                   ` Krishna Kumar2
2007-06-08 19:55                                     ` Waskiewicz Jr, Peter P
2007-06-09  0:24                                       ` jamal
2007-06-07 22:55                             ` Waskiewicz Jr, Peter P
2007-06-09  1:05                               ` Ramkrishna Vepa
2007-06-06 23:53                 ` David Miller
2007-06-07  1:08                   ` jamal
2007-06-07 12:22                     ` jamal
2007-06-11 12:01                 ` Patrick McHardy
2007-06-11 11:58             ` Patrick McHardy
2007-06-11 12:23               ` jamal
2007-06-11 12:39                 ` Patrick McHardy
2007-06-11 12:52                   ` jamal
2007-06-11 13:03                     ` Patrick McHardy
2007-06-11 13:29                       ` jamal
2007-06-11 14:03                         ` Patrick McHardy
2007-06-11 14:30                           ` Cohen, Guy
2007-06-11 14:38                             ` Patrick McHardy
2007-06-11 14:48                             ` jamal
2007-06-11 15:00                               ` Tomas Winkler
2007-06-11 15:14                                 ` jamal
2007-06-11 15:34                               ` Cohen, Guy
2007-06-11 22:22                                 ` jamal
2007-06-12 14:04                                   ` Cohen, Guy
2007-06-12 15:23                                     ` jamal
2007-06-12 23:38                                     ` jamal
2007-06-11 14:40                           ` jamal
2007-06-11 14:49                             ` Patrick McHardy
2007-06-11 15:05                               ` jamal
2007-06-11 15:12                                 ` Patrick McHardy
2007-06-11 15:25                                   ` jamal
2007-06-11 15:44                                     ` Patrick McHardy
2007-06-11 21:35                                       ` jamal
2007-06-11 23:01                                         ` Patrick McHardy
2007-06-12  0:58                                         ` Patrick McHardy
2007-06-12  2:29                                           ` jamal
2007-06-12 13:21                                             ` Patrick McHardy
2007-06-12 15:12                                               ` jamal
2007-06-12 21:02                                               ` David Miller
2007-06-12 21:13                                                 ` Jeff Garzik
2007-06-12 21:17                                                   ` Ben Greear
2007-06-12 21:26                                                     ` David Miller
2007-06-12 21:46                                                       ` Jeff Garzik
2007-06-12 21:52                                                         ` Roland Dreier
2007-06-12 21:59                                                           ` Jeff Garzik
2007-06-12 22:04                                                             ` David Miller
2007-06-12 22:18                                                               ` Jeff Garzik
2007-06-12 22:00                                                           ` David Miller
2007-06-12 21:53                                                         ` David Miller
2007-06-12 22:01                                                           ` Jeff Garzik
2007-06-12 21:46                                                       ` Ben Greear
2007-06-12 21:54                                                         ` David Miller
2007-06-12 22:30                                                         ` Jeff Garzik
2007-06-12 22:40                                                           ` Ben Greear
2007-06-12 21:47                                                       ` Jason Lunz
2007-06-12 21:55                                                         ` David Miller
2007-06-12 22:17                                                           ` Jason Lunz
2007-06-13  3:41                                                         ` Leonid Grossman
2007-06-13 16:44                                                   ` Rick Jones
2007-06-12 21:17                                                 ` Patrick McHardy
2007-06-13  5:56                                                   ` Zhu Yi
2007-06-13 11:34                                                     ` Patrick McHardy
2007-06-14  1:51                                                       ` Zhu Yi
2007-06-13 12:32                                                     ` jamal
2007-06-13 13:12                                                       ` Robert Olsson
2007-06-13 13:33                                                         ` jamal
2007-06-13 15:01                                                           ` Leonid Grossman
2007-06-13 15:53                                                           ` Robert Olsson
2007-06-13 18:20                                                           ` David Miller
2007-06-13 18:22                                                             ` Waskiewicz Jr, Peter P
2007-06-13 21:30                                                             ` jamal
2007-06-14  2:44                                                       ` Zhu Yi
2007-06-14 11:48                                                         ` jamal
2007-06-15  1:27                                                           ` Zhu Yi
2007-06-15 10:49                                                             ` jamal
2007-06-18  1:18                                                               ` Zhu Yi
2007-06-18 15:16                                                                 ` jamal
2007-06-19  2:12                                                                   ` Zhu Yi
2007-06-19 16:04                                                                     ` jamal
2007-06-20  5:51                                                                       ` Zhu Yi
2007-06-21 15:39                                                                         ` jamal
2007-06-22  1:26                                                                           ` Zhu Yi
2007-06-25 16:47                                                                             ` jamal
2007-06-25 20:47                                                                               ` David Miller
2007-06-26 13:27                                                                                 ` jamal
2007-06-26 20:57                                                                                   ` David Miller
2007-06-27 22:32                                                                                     ` jamal
2007-06-27 22:54                                                                                       ` David Miller
2007-06-28  0:15                                                                                         ` jamal
2007-06-28  0:31                                                                                           ` David Miller
2007-06-12  9:19                 ` Johannes Berg
2007-06-12 12:17                   ` jamal
2007-06-11 17:36   ` Patrick McHardy
2007-06-11 18:05     ` Waskiewicz Jr, Peter P
2007-06-11 18:07       ` Patrick McHardy
2007-06-13 18:34     ` Waskiewicz Jr, Peter P
2007-06-11 17:52   ` Patrick McHardy
2007-06-11 17:57     ` Waskiewicz Jr, Peter P
2007-06-11 18:05       ` Patrick McHardy
2007-06-11 18:15         ` Waskiewicz Jr, Peter P
2007-06-11 18:24           ` Patrick McHardy

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