From: Rusty Russell <rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>
To: Anthony Liguori <aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: Jimi Xenidis <jimix-aZOuKsOsJu3MbYB6QlFGEg@public.gmane.org>,
"jmk-zzFmDc4TPjtKvsKVC3L/VUEOCMrvLtNR@public.gmane.org"
<jmk-zzFmDc4TPjtKvsKVC3L/VUEOCMrvLtNR@public.gmane.org>,
Christian Borntraeger
<cborntra-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>,
"kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org"
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
Suzanne McIntosh
<skranjac-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
Martin Schwidefsky
<schwidefsky-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH/RFC 7/9] Virtual network guest device driver
Date: Fri, 18 May 2007 09:34:08 +1000 [thread overview]
Message-ID: <1179444848.17608.5.camel@localhost.localdomain> (raw)
In-Reply-To: <464C7F45.50908-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
On Thu, 2007-05-17 at 11:13 -0500, Anthony Liguori wrote:
> Rusty Russell wrote:
> > I think shared memory is an obvious start, but it's not enough for
> > inter-guest where they can't freely access each other's memory. So you
> > really want a ring-buffer of descriptors with a hypervisor-assist to say
> > "read/write this into the memory referred to by that descriptor".
>
> I think this is getting a little ahead of ourselves. An example of this
> idea is pretty straight-forward but it gets more complicated when trying
> to support the existing memory sharing mechanisms on various
> hypervisors. There are a few cases to consider:
To clarify, I'm not overly interested in existing mechanisms. I'm first
trying for something sane from a Linux driver POV, then see if it can be
implemented in terms of legacy systems.
This reflects my belief that we will see more virtualization solutions
in the medium term, so it's reasonable to look at a new system.
Cheers,
Rusty.
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next prev parent reply other threads:[~2007-05-17 23:34 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1178903957.25135.13.camel@cotte.boeblingen.de.ibm.com>
[not found] ` <1178903957.25135.13.camel-WIxn4w2hgUz3YA32ykw5MLlKpX0K8NHHQQ4Iyu8u01E@public.gmane.org>
2007-05-11 17:35 ` [PATCH/RFC 2/9] s390 virtualization interface Carsten Otte
2007-05-11 17:35 ` [PATCH/RFC 3/9] s390 guest detection Carsten Otte
2007-05-11 17:35 ` [PATCH/RFC 4/9] Basic guest virtual devices infrastructure Carsten Otte
[not found] ` <1178904958.25135.31.camel-WIxn4w2hgUz3YA32ykw5MLlKpX0K8NHHQQ4Iyu8u01E@public.gmane.org>
2007-05-11 20:06 ` Arnd Bergmann
2007-05-14 11:26 ` Avi Kivity
[not found] ` <46484753.30602-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-14 11:43 ` Carsten Otte
[not found] ` <46484B5D.6080605-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 12:00 ` [PATCH/RFC 4/9] Basic guest virtualdevices infrastructure Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160BC7483D-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-05-14 13:32 ` Carsten Otte
2007-05-11 17:36 ` [PATCH/RFC 5/9] s390 virtual console for guests Carsten Otte
[not found] ` <1178904960.25135.32.camel-WIxn4w2hgUz3YA32ykw5MLlKpX0K8NHHQQ4Iyu8u01E@public.gmane.org>
2007-05-11 19:00 ` Anthony Liguori
[not found] ` <4644BD3C.8040901-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-05-11 19:42 ` Christian Bornträger
2007-05-12 8:07 ` Carsten Otte
2007-05-14 16:23 ` Christian Bornträger
[not found] ` <200705141823.13424.cborntra-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 16:48 ` Christian Borntraeger
[not found] ` <200705141848.18996.borntrae-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 17:49 ` Anthony Liguori
[not found] ` <4648A11D.3050607-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-15 0:27 ` Arnd Bergmann
2007-05-15 7:54 ` Carsten Otte
2007-05-11 17:36 ` [PATCH/RFC 6/9] virtual block device driver Carsten Otte
[not found] ` <1178904963.25135.33.camel-WIxn4w2hgUz3YA32ykw5MLlKpX0K8NHHQQ4Iyu8u01E@public.gmane.org>
2007-05-14 11:49 ` Avi Kivity
[not found] ` <46484CDF.505-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-14 13:23 ` Carsten Otte
[not found] ` <464862E9.7020105-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 14:39 ` Avi Kivity
[not found] ` <46487494.1070802-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-15 11:47 ` Carsten Otte
[not found] ` <46499DE9.9090202-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-16 10:01 ` Avi Kivity
2007-05-14 11:52 ` Avi Kivity
[not found] ` <46484D84.3060601-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-14 13:26 ` Carsten Otte
2007-05-11 17:36 ` [PATCH/RFC 7/9] Virtual network guest " Carsten Otte
[not found] ` <1178904965.25135.34.camel-WIxn4w2hgUz3YA32ykw5MLlKpX0K8NHHQQ4Iyu8u01E@public.gmane.org>
2007-05-11 19:44 ` ron minnich
[not found] ` <13426df10705111244w1578ebedy8259bc42ca1f588d-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-11 20:12 ` Anthony Liguori
[not found] ` <4644CE15.6080505-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-11 21:15 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705111415n47e77a15o331b59cf2a03b4-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-11 21:47 ` Anthony Liguori
[not found] ` <4644E456.2060507-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-11 22:21 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705111521v2d451ddcjecf209e2031c85af-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-16 17:28 ` Anthony Liguori
[not found] ` <464B3F20.4030904-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-16 17:38 ` Daniel P. Berrange
[not found] ` <20070516173822.GD16863-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-05-17 9:29 ` Carsten Otte
[not found] ` <464C2069.20909-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-17 14:22 ` Anthony Liguori
[not found] ` <464C651F.5070700-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-05-21 11:11 ` Christian Borntraeger
2007-05-16 17:41 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705161041s5393c1a6wc455b20ff3fe8106-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-16 18:47 ` Anthony Liguori
[not found] ` <464B51A8.7050307-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-16 19:33 ` Eric Van Hensbergen
2007-05-16 17:45 ` Gregory Haskins
[not found] ` <464B0ADB.BA47.005A.0-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org>
2007-05-16 18:39 ` Anthony Liguori
[not found] ` <464B4FEB.7070300-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-16 18:57 ` Gregory Haskins
[not found] ` <464B1B9C.BA47.005A.0-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org>
2007-05-16 19:10 ` Anthony Liguori
[not found] ` <464B572C.6090800-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-17 4:24 ` Rusty Russell
[not found] ` <1179375881.21871.83.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-05-17 16:13 ` Anthony Liguori
[not found] ` <464C7F45.50908-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-17 23:34 ` Rusty Russell [this message]
2007-05-21 9:07 ` Christian Borntraeger
[not found] ` <OFC1AADF6F.DB57C7AC-ON422572E2.0030BE22-422572E2.0032174C-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-21 9:27 ` Cornelia Huck
2007-05-21 11:28 ` Arnd Bergmann
[not found] ` <200705211328.04565.arnd-r2nGTMty4D4@public.gmane.org>
2007-05-21 11:56 ` Cornelia Huck
[not found] ` <20070521135628.17a4f9cc-XQvu0L+U/CiXI4yAdoq52KN5r0PSdgG1zG2AekJRRhI@public.gmane.org>
2007-05-21 13:53 ` Arnd Bergmann
2007-05-21 18:45 ` Anthony Liguori
[not found] ` <4651E8D1.4010208-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-21 23:09 ` ron minnich
[not found] ` <13426df10705211609j613032c6j373d9a4660f8ec6c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 0:29 ` Anthony Liguori
[not found] ` <46523952.7070405-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-05-22 0:45 ` ron minnich
[not found] ` <13426df10705211745r69acc95ai458b2192fe0d0132-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 1:13 ` Anthony Liguori
2007-05-22 1:34 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705211834s4db19c7t3b95765bf2c092d7-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 1:42 ` Anthony Liguori
[not found] ` <46524A79.8070004-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-05-22 5:17 ` Avi Kivity
[not found] ` <46527CD9.5000603-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-22 12:49 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705220549j1c9565f2ic160c672b74aea35-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 12:56 ` Christoph Hellwig
[not found] ` <20070522125655.GA4506-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2007-05-22 14:50 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705220750s5abe380dg8dd8e7d0b84de7cd-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 15:05 ` Anthony Liguori
[not found] ` <465306AE.5080902-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-05-22 15:31 ` ron minnich
2007-05-22 16:25 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705220925l580f136we269380fe3c9691c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 17:00 ` ron minnich
[not found] ` <13426df10705221000i749badc5h8afe4f2fc95bc2ce-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 17:06 ` Christoph Hellwig
[not found] ` <20070522170628.GA16624-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2007-05-22 17:34 ` ron minnich
[not found] ` <13426df10705221034k7baf5bccrc77aabca8c9e225c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-22 20:03 ` Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160BF29F1E-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-05-22 20:10 ` ron minnich
2007-05-22 22:56 ` Nakajima, Jun
[not found] ` <8FFF7E42E93CC646B632AB40643802A8032793AC-1a9uaKK1+wJcIJlls4ac1rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-05-23 8:15 ` Carsten Otte
[not found] ` <4653F807.2010209-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-23 12:25 ` Avi Kivity
2007-05-23 14:12 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705230712pd8c2958m9dee6b2ccec0899d-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-23 23:02 ` Arnd Bergmann
[not found] ` <200705240102.40795.arnd-r2nGTMty4D4@public.gmane.org>
2007-05-23 23:57 ` Eric Van Hensbergen
[not found] ` <a4e6962a0705231657n65946ba4n74393f7028b6d61c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-24 0:07 ` Eric Van Hensbergen
2007-05-23 12:21 ` Avi Kivity
2007-05-23 12:16 ` Avi Kivity
[not found] ` <465430B2.7050101-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-23 12:20 ` Christoph Hellwig
2007-05-23 12:20 ` Avi Kivity
2007-05-23 11:55 ` Avi Kivity
2007-05-22 13:08 ` Anthony Liguori
2007-05-18 5:31 ` ron minnich
[not found] ` <13426df10705172231y5e93d1f5y398d4f187a8978e1-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-05-18 14:31 ` Anthony Liguori
[not found] ` <464DB8A5.6080503-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-18 15:14 ` ron minnich
2007-05-11 21:51 ` ron minnich
2007-05-12 8:46 ` Carsten Otte
[not found] ` <46457EF9.2070706-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-13 12:04 ` Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160BC74612-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-05-13 14:49 ` Anthony Liguori
[not found] ` <4647257F.4020900-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-05-13 16:23 ` Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160BC74675-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-05-13 16:49 ` Anthony Liguori
[not found] ` <4647418A.2040201-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-05-13 17:06 ` Muli Ben-Yehuda
[not found] ` <20070513170608.GA4343-WD1JZD8MxeCTrf4lBMg6DdBPR1lH4CV8@public.gmane.org>
2007-05-13 20:31 ` Dor Laor
2007-05-14 2:39 ` Rusty Russell
2007-05-14 11:53 ` Avi Kivity
2007-05-14 12:05 ` Avi Kivity
[not found] ` <46485070.3000106-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-05-14 12:24 ` Christian Bornträger
[not found] ` <200705141424.44423.cborntra-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-05-14 12:32 ` Avi Kivity
2007-05-14 13:36 ` Carsten Otte
2007-05-11 17:36 ` [PATCH/RFC 8/9] Virtual network host switch support Carsten Otte
[not found] ` <1178904968.25135.35.camel-WIxn4w2hgUz3YA32ykw5MLlKpX0K8NHHQQ4Iyu8u01E@public.gmane.org>
2007-05-11 20:21 ` Anthony Liguori
[not found] ` <4644D048.7060106-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-11 20:50 ` Christian Bornträger
2007-05-11 17:36 ` [PATCH/RFC 9/9] Fix system<->user misaccount of interpreted execution Carsten Otte
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