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From: Avi Kivity <avi@redhat.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Gerd Hoffmann <kraxel@redhat.com>,
	ghaskins@novell.com, anthony@codemonkey.ws, andi@firstfloor.org,
	linux-kernel@vger.kernel.org, agraf@suse.de,
	pmullaney@novell.com, pmorreale@novell.com,
	rusty@rustcorp.com.au, netdev@vger.kernel.org,
	kvm@vger.kernel.org
Subject: Re: [RFC PATCH 00/17] virtual-bus
Date: Fri, 03 Apr 2009 15:02:22 +0300	[thread overview]
Message-ID: <49D5FACE.3010302@redhat.com> (raw)
In-Reply-To: <20090403115546.GA10575@gondor.apana.org.au>

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.


  reply	other threads:[~2009-04-03 12:02 UTC|newest]

Thread overview: 160+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-31 18:42 [RFC PATCH 00/17] virtual-bus Gregory Haskins
2009-03-31 18:42 ` [RFC PATCH 01/17] shm-signal: shared-memory signals Gregory Haskins
2009-03-31 20:44   ` Avi Kivity
2009-03-31 20:58     ` Gregory Haskins
2009-03-31 21:05       ` Avi Kivity
2009-04-01 12:12         ` Gregory Haskins
2009-04-01 12:24           ` Avi Kivity
2009-04-01 13:57             ` Gregory Haskins
2009-03-31 18:42 ` [RFC PATCH 02/17] vbus: add virtual-bus definitions Gregory Haskins
2009-04-02 16:06   ` Ben Hutchings
2009-04-02 18:13     ` Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 03/17] vbus: add connection-client helper infrastructure Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 04/17] vbus: add bus-registration notifiers Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 05/17] vbus: add a "vbus-proxy" bus model for vbus_driver objects Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 06/17] ioq: Add basic definitions for a shared-memory, lockless queue Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 07/17] ioq: add vbus helpers Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 08/17] venet: add the ABI definitions for an 802.x packet interface Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 09/17] net: Add vbus_enet driver Gregory Haskins
2009-03-31 20:39   ` Stephen Hemminger
2009-04-02 11:43     ` Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 10/17] venet-tap: Adds a "venet" compatible "tap" device to VBUS Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 11/17] venet: add scatter-gather support Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 12/17] venettap: " Gregory Haskins
2009-03-31 18:43 ` [RFC PATCH 13/17] x86: allow the irq->vector translation to be determined outside of ioapic Gregory Haskins
2009-03-31 19:16   ` Alan Cox
2009-03-31 20:02     ` Gregory Haskins
2009-03-31 18:44 ` [RFC PATCH 14/17] kvm: add a reset capability Gregory Haskins
2009-03-31 19:22   ` Avi Kivity
2009-03-31 20:02     ` Gregory Haskins
2009-03-31 20:18       ` Avi Kivity
2009-03-31 20:37         ` Gregory Haskins
2009-03-31 18:44 ` [RFC PATCH 15/17] kvm: add dynamic IRQ support Gregory Haskins
2009-03-31 19:20   ` Avi Kivity
2009-03-31 19:39     ` Gregory Haskins
2009-03-31 20:13       ` Avi Kivity
2009-03-31 20:32         ` Gregory Haskins
2009-03-31 20:59           ` Avi Kivity
2009-03-31 18:44 ` [RFC PATCH 16/17] kvm: Add VBUS support to the host Gregory Haskins
2009-03-31 18:44 ` [RFC PATCH 17/17] kvm: Add guest-side support for VBUS Gregory Haskins
2009-03-31 20:18 ` [RFC PATCH 00/17] virtual-bus Andi Kleen
2009-04-01 12:03   ` Gregory Haskins
2009-04-01 13:23     ` Andi Kleen
2009-04-01 14:19       ` Gregory Haskins
2009-04-01 14:42         ` Gregory Haskins
2009-04-01 17:01         ` Andi Kleen
2009-04-01 18:45           ` Anthony Liguori
2009-04-01 20:40             ` Chris Wright
2009-04-01 21:11               ` Gregory Haskins
2009-04-01 21:28                 ` Chris Wright
2009-04-01 22:10                   ` Gregory Haskins
2009-04-02  6:00                     ` Chris Wright
2009-04-02  3:11               ` Herbert Xu
2009-04-01 21:09             ` Gregory Haskins
2009-04-02  0:29               ` Anthony Liguori
2009-04-02  3:11                 ` Gregory Haskins
2009-04-02  6:51               ` Avi Kivity
2009-04-02  8:52                 ` Herbert Xu
2009-04-02  9:02                   ` Avi Kivity
2009-04-02  9:16                     ` Herbert Xu
2009-04-02  9:27                       ` Avi Kivity
2009-04-02  9:29                         ` Herbert Xu
2009-04-02  9:33                           ` Herbert Xu
2009-04-02  9:38                           ` Avi Kivity
2009-04-02  9:41                             ` Herbert Xu
2009-04-02  9:43                               ` Avi Kivity
2009-04-02  9:44                                 ` Herbert Xu
2009-04-02 11:06                             ` Gregory Haskins
2009-04-02 11:59                               ` Avi Kivity
2009-04-02 12:30                                 ` Gregory Haskins
2009-04-02 12:43                                   ` Avi Kivity
2009-04-02 13:03                                     ` Gregory Haskins
2009-04-02 12:13                               ` Rusty Russell
2009-04-02 12:50                                 ` Gregory Haskins
2009-04-02 12:52                                   ` Gregory Haskins
2009-04-02 13:07                                   ` Avi Kivity
2009-04-02 13:22                                     ` Gregory Haskins
2009-04-02 13:27                                       ` Avi Kivity
2009-04-02 14:05                                         ` Gregory Haskins
2009-04-02 14:50                                     ` Herbert Xu
2009-04-02 15:00                                       ` Avi Kivity
2009-04-02 15:40                                         ` Herbert Xu
2009-04-02 15:57                                           ` Avi Kivity
2009-04-02 16:09                                             ` Herbert Xu
2009-04-02 16:54                                               ` Avi Kivity
2009-04-02 17:06                                                 ` Herbert Xu
2009-04-02 17:17                                                   ` Herbert Xu
2009-04-03 12:25                                                   ` Avi Kivity
2009-04-02 15:10                                 ` Michael S. Tsirkin
2009-04-03  4:43                                   ` Jeremy Fitzhardinge
2009-04-02 10:55                     ` Gregory Haskins
2009-04-02 11:48                       ` Avi Kivity
2009-04-03 10:58                     ` Gerd Hoffmann
2009-04-03 11:03                       ` Avi Kivity
2009-04-03 11:12                         ` Herbert Xu
2009-04-03 11:46                           ` Avi Kivity
2009-04-03 11:48                             ` Herbert Xu
2009-04-03 11:54                               ` Avi Kivity
2009-04-03 11:55                                 ` Herbert Xu
2009-04-03 12:02                                   ` Avi Kivity [this message]
2009-04-03 13:05                                     ` Herbert Xu
2009-04-03 11:18                       ` Andi Kleen
2009-04-03 11:34                         ` Herbert Xu
2009-04-03 11:46                         ` Avi Kivity
2009-04-03 11:28                       ` Gregory Haskins
2009-04-02 10:46                 ` Gregory Haskins
2009-04-02 11:43                   ` Avi Kivity
2009-04-02 12:22                     ` Gregory Haskins
2009-04-02 12:42                       ` Avi Kivity
2009-04-02 12:54                         ` Gregory Haskins
2009-04-02 13:08                           ` Avi Kivity
2009-04-02 13:36                             ` Gregory Haskins
2009-04-02 13:45                               ` Avi Kivity
2009-04-02 14:24                                 ` Gregory Haskins
2009-04-02 14:32                                   ` Avi Kivity
2009-04-02 14:41                                     ` Avi Kivity
2009-04-02 14:49                                       ` Anthony Liguori
2009-04-02 16:09                                         ` Anthony Liguori
2009-04-02 16:19                                           ` Avi Kivity
2009-04-02 18:18                                             ` Anthony Liguori
2009-04-03  1:11                                               ` Herbert Xu
2009-04-20 18:02                                               ` Alex Williamson
2009-04-03 12:03                                           ` Gregory Haskins
2009-04-03 12:15                                             ` Avi Kivity
2009-04-03 13:13                                               ` Gregory Haskins
2009-04-03 13:37                                                 ` Avi Kivity
2009-04-03 16:28                                                   ` Gregory Haskins
2009-04-05 10:00                                                     ` Avi Kivity
2009-04-02  3:09             ` Herbert Xu
2009-04-02  6:46               ` Avi Kivity
2009-04-02  8:54                 ` Herbert Xu
2009-04-02  9:03                   ` Avi Kivity
2009-04-02  9:05                     ` Herbert Xu
2009-04-01 20:29           ` Gregory Haskins
2009-04-01 22:23             ` Andi Kleen
2009-04-01 23:05               ` Gregory Haskins
2009-04-01  6:08 ` Rusty Russell
2009-04-01 11:35   ` Gregory Haskins
2009-04-02  1:24     ` Rusty Russell
2009-04-02  2:27       ` Gregory Haskins
2009-04-01 16:10   ` Anthony Liguori
2009-04-05  3:44     ` Rusty Russell
2009-04-05  8:06       ` Avi Kivity
2009-04-05 14:13       ` Anthony Liguori
2009-04-05 16:10         ` Avi Kivity
2009-04-05 16:45           ` Anthony Liguori
2009-04-02  3:15   ` Herbert Xu
     [not found] <49D469D2020000A100045FA1@lucius.provo.novell.com>
2009-04-02 14:14 ` Patrick Mullaney
2009-04-02 14:27   ` Avi Kivity
2009-04-02 15:31     ` Gregory Haskins
2009-04-02 15:49       ` Avi Kivity
2009-04-02 16:06         ` Herbert Xu
2009-04-02 16:51           ` Avi Kivity
2009-04-02 17:44         ` Gregory Haskins
2009-04-03 11:43           ` Avi Kivity
2009-04-03 14:58             ` Gregory Haskins
2009-04-03 15:37               ` Avi Kivity
2009-04-03 18:19                 ` Gregory Haskins
2009-04-05 10:50                   ` Avi Kivity
2009-04-03 17:09               ` Chris Wright
2009-04-03 18:32                 ` Gregory Haskins

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