From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Eric Van Hensbergen <ericvh-Re5JQEeQqe8AvxtiuMwx3w@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>,
mschwid2-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org,
kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
Suzanne McIntosh
<skranjac-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH/RFC 7/9] Virtual network guest device driver
Date: Tue, 22 May 2007 13:56:55 +0100 [thread overview]
Message-ID: <20070522125655.GA4506@infradead.org> (raw)
In-Reply-To: <a4e6962a0705220549j1c9565f2ic160c672b74aea35-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Tue, May 22, 2007 at 07:49:51AM -0500, Eric Van Hensbergen wrote:
> > In the general case, you can't pass a command line argument to Linux
> > either. kvm doesn't boot Linux; it boots the bios, which boots the boot
> > sector, which boots grub, which boots Linux. Relying on the user to
> > edit the command line in grub is wrong.
> >
>
> I didn't think we were talking about the general case, I thought we
> were discussing the PV case. In the PV case, having bios/bootloader
> is unnecessary overhead. To that same end, I don't see Windows in the
> PV case unless they magically want to to coordinate PV standards with
> us, in which case we certainly can negotiate a more sane discovery
> mechanism.
In case of KVM no one is speaking of pure PV. What people have been
working on is PV accelaration of a vullvirt host, similar to how
s390 is working for decaded. The host emulates the full architecture,
but there are some escape for speedups. Typical escapes would be drivers
for storage or networking because those can no be virtualized very well
on x86-style hardware.
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next prev parent reply other threads:[~2007-05-22 12:56 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
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 [this message]
[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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