linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: jaswinder@kernel.org
Cc: jeremy@goop.org, mingo@elte.hu, dan.magenheimer@oracle.com,
	avi@redhat.com, George.Dunlap@eu.citrix.com,
	xen-devel@lists.xensource.com, x86@kernel.org,
	linux-kernel@vger.kernel.org, keir.fraser@eu.citrix.com,
	torvalds@linux-foundation.org, gregkh@suse.de,
	kurt.hackel@oracle.com, Ian.Pratt@citrix.com,
	xen-users@lists.xensource.com, ksrinivasan@novell.com,
	EAnderson@novell.com, wimcoekaerts@wimmekes.net,
	stephen.spector@citrix.com, jens.axboe@oracle.com,
	npiggin@suse.de
Subject: Re: Xen is a feature
Date: Thu, 28 May 2009 23:51:10 -0700 (PDT)	[thread overview]
Message-ID: <20090528.235110.44572184.davem@davemloft.net> (raw)
In-Reply-To: <1243579052.3159.32.camel@localhost.localdomain>

From: Jaswinder Singh Rajput <jaswinder@kernel.org>
Date: Fri, 29 May 2009 12:07:32 +0530

> Hi Dave,
> 
> On Thu, 2009-05-28 at 21:05 -0700, David Miller wrote:
>> From: Jeremy Fitzhardinge <jeremy@goop.org>
>> Date: Thu, 28 May 2009 17:45:34 -0700
>> 
>> > Ingo Molnar wrote:
>> >> Xen changes - especially dom0 - are overwhelmingly not about improving
>> >> Linux, but about having some special hook and extra treatment in
>> >> random places - and that's really bad.
>> >>   
>> > 
>> > You've made this argument a few times now, and I take exception to it.
>> > 
>> > It seems to be predicated on the idea that Xen has some kind of niche
>> > usage, with barely more users than Voyager.  Or that it is a parasite
>> > sitting on the side of Linux, being a pure drain.
>> 
>> I don't see Ingo's comments, whether I agree with them or not, as
>> an implication of Xen being niche.  Rather I see his comments as
>> an opposition to how Xen is implemented.
>> 
> 
> You can see Ingo's comments and whole thread under subject :
> 
> Re: [Xen-devel] Re: [GIT PULL] Xen APIC hooks (with io_apic_ops)
> 
> http://lkml.org/lkml/2009/5/27/758

Jeremy is specifically commenting on Ingo's quoted "argument".
And that "argument" is what he takes "exception to".

And that's the scope of what I'm commenting on too.

  reply	other threads:[~2009-05-29  6:51 UTC|newest]

Thread overview: 108+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-12 23:25 [GIT PULL] Xen APIC hooks (with io_apic_ops) Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 01/17] xen/dom0: handle acpi lapic parsing in Xen dom0 Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 02/17] x86: add io_apic_ops to allow interception Jeremy Fitzhardinge
2009-05-25  3:54   ` Ingo Molnar
2009-05-27  7:17     ` Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 03/17] xen: implement io_apic_ops Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 04/17] xen: create dummy ioapic mapping Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 05/17] xen: implement pirq type event channels Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 06/17] x86/io_apic: add get_nr_irqs_gsi() Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 07/17] xen/apic: identity map gsi->irqs Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 08/17] xen: direct irq registration to pirq event channels Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 09/17] xen: bind pirq to vector and event channel Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 10/17] xen: pre-initialize legacy irqs early Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 11/17] xen: don't setup acpi interrupt unless there is one Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 12/17] xen: use acpi_get_override_irq() to get triggering for legacy irqs Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 13/17] xen: initialize irq 0 too Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 14/17] xen: dynamically allocate irq & event structures Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 15/17] xen: set pirq name to something useful Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 16/17] xen: fix legacy irq setup, make ioapic-less machines work Jeremy Fitzhardinge
2009-05-12 23:25 ` [PATCH 17/17] xen: disable MSI Jeremy Fitzhardinge
2009-05-19 12:35 ` [GIT PULL] Xen APIC hooks (with io_apic_ops) Ingo Molnar
2009-05-20 17:57   ` Jeremy Fitzhardinge
2009-05-25  4:10     ` Ingo Molnar
2009-05-26 12:46       ` [Xen-devel] " George Dunlap
2009-05-26 18:26         ` Avi Kivity
2009-05-26 19:18           ` Dan Magenheimer
2009-05-26 19:41             ` Avi Kivity
2009-05-28  0:13             ` Ingo Molnar
2009-05-28  0:49               ` Jeremy Fitzhardinge
2009-05-28  3:47               ` Dan Magenheimer
2009-05-28 14:26               ` George Dunlap
2009-05-29  0:45               ` Xen is a feature Jeremy Fitzhardinge
2009-05-29  1:27                 ` Greg KH
2009-05-29  4:05                 ` David Miller
2009-05-29  6:37                   ` Jaswinder Singh Rajput
2009-05-29  6:51                     ` David Miller [this message]
2009-05-29 12:01                   ` George Dunlap
2009-05-29 14:14                     ` Pasi Kärkkäinen
2009-05-29 21:29                       ` David Miller
     [not found]                     ` <87tz33ep1b.fsf@basil.nowhere.org>
2009-05-29 21:31                       ` [Xen-devel] " Jeremy Fitzhardinge
2009-05-29 23:09                       ` Nakajima, Jun
2009-05-29 23:26                         ` Jeremy Fitzhardinge
2009-06-02 15:23                     ` Thomas Gleixner
2009-06-02 16:41                       ` George Dunlap
2009-06-02 17:28                         ` Chris Friesen
2009-06-02 17:46                         ` Linus Torvalds
2009-06-02 18:02                           ` Linus Torvalds
2009-06-02 18:59                             ` Avi Kivity
2009-06-07  9:13                               ` Ingo Molnar
2009-06-07 10:01                                 ` Avi Kivity
2009-06-07 10:35                                   ` Ingo Molnar
2009-06-07 12:46                                     ` Avi Kivity
2009-06-07 13:02                                       ` Jaswinder Singh Rajput
2009-06-04 14:02                           ` [Xen-users] " Thomas Goirand
2009-06-02 18:59                         ` Thomas Gleixner
2009-06-03 19:49                       ` Bill Davidsen
2009-06-03 20:20                         ` Thomas Gleixner
2009-06-03 22:37                           ` Bill Davidsen
2009-06-03 23:29                             ` Frans Pop
2009-06-04 13:21                               ` George Dunlap
2009-06-04 15:10                                 ` Theodore Tso
2009-06-04 15:31                                 ` Chris Friesen
2009-06-05  4:14                               ` Bill Davidsen
2009-06-05  4:55                                 ` Chris Friesen
2009-06-02 22:40                     ` Steven Rostedt
2009-06-02 23:28                       ` Merge Xen (the hypervisor) into Linux Ingo Molnar
2009-06-03  0:00                         ` Dan Magenheimer
2009-06-03  0:32                           ` Thomas Gleixner
2009-06-03  2:43                           ` Theodore Tso
2009-06-03  3:42                             ` Steven Rostedt
2009-06-03  4:49                               ` Dan Magenheimer
2009-06-03  4:58                                 ` David Miller
2009-06-03  5:07                                   ` Steven Rostedt
2009-06-03  5:22                                 ` Steven Rostedt
2009-06-03 12:03                                   ` George Dunlap
2009-06-03 19:05                                     ` Theodore Tso
     [not found]                                       ` <4A27CF94.1050903@gmx.de>
2009-06-04 14:03                                         ` [Xen-users] " Steven Rostedt
2009-06-03  7:28                             ` Gerd Hoffmann
2009-06-03  8:47                               ` Alan Cox
2009-06-03  9:09                                 ` Gerd Hoffmann
2009-06-03  9:20                                   ` Keir Fraser
2009-06-03 11:15                                   ` Theodore Tso
2009-06-03 11:39                                     ` Keir Fraser
2009-06-03 11:41                                     ` Gerd Hoffmann
2009-06-03  1:00                         ` Joel Becker
2009-06-03  2:00                           ` david
2009-06-03  7:59                           ` Alan Cox
2009-06-03  8:07                         ` Christian Tramnitz
2009-06-04 18:53                           ` Linus Torvalds
2009-06-05  0:09                             ` Samuel Thibault
2009-06-05  0:18                               ` David Miller
2009-06-05  0:54                               ` Linus Torvalds
2009-06-03 17:31                         ` Chris Friesen
2009-06-03 17:36                           ` Alan Cox
2009-06-02 23:41                       ` Xen is a feature Thomas Gleixner
2009-05-30  2:19                 ` [Xen-devel] " Andy Burns
2009-05-26 21:19         ` [Xen-devel] Re: [GIT PULL] Xen APIC hooks (with io_apic_ops) Gerd Hoffmann
2009-05-27 10:14           ` George Dunlap
2009-05-24 20:10   ` Avi Kivity
2009-05-25  3:51     ` Ingo Molnar
2009-05-25  4:55       ` Avi Kivity
2009-05-25  5:06         ` Ingo Molnar
2009-05-25  5:12           ` Avi Kivity
2009-05-25  5:19             ` Ingo Molnar
  -- strict thread matches above, loose matches on Subject: below --
2009-05-29 11:48 Xen is a feature Tomasz Chmielewski
2009-05-29 13:08 Sander Eikelenboom
2009-05-31 21:11 devzero
2009-06-02 22:44 Sander Eikelenboom

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20090528.235110.44572184.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=EAnderson@novell.com \
    --cc=George.Dunlap@eu.citrix.com \
    --cc=Ian.Pratt@citrix.com \
    --cc=avi@redhat.com \
    --cc=dan.magenheimer@oracle.com \
    --cc=gregkh@suse.de \
    --cc=jaswinder@kernel.org \
    --cc=jens.axboe@oracle.com \
    --cc=jeremy@goop.org \
    --cc=keir.fraser@eu.citrix.com \
    --cc=ksrinivasan@novell.com \
    --cc=kurt.hackel@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=npiggin@suse.de \
    --cc=stephen.spector@citrix.com \
    --cc=torvalds@linux-foundation.org \
    --cc=wimcoekaerts@wimmekes.net \
    --cc=x86@kernel.org \
    --cc=xen-devel@lists.xensource.com \
    --cc=xen-users@lists.xensource.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).