From: Thomas Gleixner <tglx@linutronix.de>
To: James Morris <jmorris@namei.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Virtualization Mailing List <virtualization@lists.osdl.org>,
john stultz <johnstul@us.ibm.com>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
akpm@linux-foundation.org
Subject: Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree
Date: Wed, 07 Mar 2007 19:56:49 +0100 [thread overview]
Message-ID: <1173293809.24738.673.camel@localhost.localdomain> (raw)
In-Reply-To: <Line.LNX.4.64.0703071304080.1851@d.namei>
On Wed, 2007-03-07 at 13:11 -0500, James Morris wrote:
> On Wed, 7 Mar 2007, Jeremy Fitzhardinge wrote:
>
> > I was very pleased when I saw the clocksource/event mechanisms go into
> > the kernel because it means different hypervisors can have a clock*
> > implementation to match their own particular time model/interface
> > without having to clutter up the pv_ops interface, and still have a
> > well-defined interface to the rest of the kernel's time infrastructure.
>
> It seems to me that it could be useful to have a library of common virtual
> time code (entirely separate from pv_ops), to avoid re-implementing some
> apparently common requirements, such as: handling TSC frequency changes,
> stolen time accounting, synthetic programmable clockevent etc.
Yes please. Expose sane emulated silicon to the kernel core and maintain
your hypervisor decisions behind that silicon instead of exposing us to
10 different silicon versions with 20 bugs each.
tglx
next prev parent reply other threads:[~2007-03-07 18:56 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200703060654.l266sVxr014860@shell0.pdx.osdl.net>
[not found] ` <45ED16D2.3000202@vmware.com>
[not found] ` <20070306084258.GA15745@elte.hu>
[not found] ` <20070306084647.GA16280@elte.hu>
2007-03-06 8:55 ` + stupid-hack-to-make-mainline-build.patch added to -mm tree Zachary Amsden
2007-03-06 10:59 ` Thomas Gleixner
2007-03-06 21:07 ` Dan Hecht
2007-03-06 22:21 ` Andi Kleen
2007-03-06 21:32 ` Dan Hecht
2007-03-06 23:53 ` Thomas Gleixner
2007-03-07 0:24 ` Jeremy Fitzhardinge
2007-03-07 0:35 ` Dan Hecht
2007-03-07 0:49 ` Thomas Gleixner
2007-03-07 0:53 ` Dan Hecht
2007-03-07 1:18 ` Thomas Gleixner
2007-03-07 2:08 ` Dan Hecht
2007-03-07 8:37 ` Thomas Gleixner
2007-03-07 17:41 ` Jeremy Fitzhardinge
2007-03-07 17:49 ` Ingo Molnar
2007-03-07 18:03 ` James Morris
2007-03-07 18:35 ` Jeremy Fitzhardinge
2007-03-08 0:45 ` Alan Cox
2007-03-07 17:52 ` Ingo Molnar
2007-03-07 18:28 ` Jeremy Fitzhardinge
2007-03-07 18:53 ` Thomas Gleixner
2007-03-07 18:11 ` James Morris
2007-03-07 18:56 ` Thomas Gleixner [this message]
2007-03-07 19:05 ` Jeremy Fitzhardinge
2007-03-07 19:49 ` Dan Hecht
2007-03-07 20:11 ` Jeremy Fitzhardinge
2007-03-07 20:49 ` Dan Hecht
2007-03-07 21:14 ` Thomas Gleixner
2007-03-07 20:57 ` Thomas Gleixner
2007-03-07 21:02 ` Dan Hecht
2007-03-07 21:08 ` Jeremy Fitzhardinge
2007-03-07 21:19 ` Thomas Gleixner
2007-03-07 21:14 ` Dan Hecht
2007-03-07 21:21 ` Thomas Gleixner
2007-03-07 21:33 ` Dan Hecht
2007-03-07 22:05 ` Jeremy Fitzhardinge
2007-03-07 23:05 ` Thomas Gleixner
2007-03-07 23:25 ` Zachary Amsden
2007-03-07 23:36 ` Jeremy Fitzhardinge
2007-03-07 23:40 ` Zachary Amsden
2007-03-08 18:30 ` Chris Wright
2007-03-08 0:22 ` Thomas Gleixner
2007-03-08 1:01 ` Daniel Arai
2007-03-08 1:23 ` Jeremy Fitzhardinge
2007-03-08 7:02 ` Thomas Gleixner
2007-03-08 7:28 ` Thomas Gleixner
2007-03-08 8:01 ` Zachary Amsden
2007-03-08 18:24 ` Chris Wright
2007-03-08 18:44 ` Daniel Arai
2007-03-08 19:14 ` Chris Wright
2007-03-08 19:17 ` Ingo Molnar
2007-03-08 19:42 ` Jeremy Fitzhardinge
2007-03-08 19:47 ` Chris Wright
2007-03-08 19:52 ` Jeremy Fitzhardinge
2007-03-08 20:10 ` Chris Wright
2007-03-08 20:18 ` Jeremy Fitzhardinge
2007-03-08 20:23 ` Chris Wright
2007-03-08 20:33 ` Jeremy Fitzhardinge
2007-03-08 20:42 ` Chris Wright
2007-03-08 20:42 ` Jeremy Fitzhardinge
2007-03-08 21:45 ` Andi Kleen
2007-03-08 19:54 ` Ingo Molnar
[not found] ` <20070308091019.GA19460@elte.hu>
2007-03-08 10:06 ` hardwired VMI crap Zachary Amsden
2007-03-08 11:09 ` Thomas Gleixner
2007-03-08 20:46 ` Zachary Amsden
2007-03-08 21:15 ` Jeremy Fitzhardinge
2007-03-08 21:34 ` Ingo Molnar
2007-03-08 21:43 ` Andi Kleen
2007-03-08 23:39 ` Jeremy Fitzhardinge
2007-03-08 23:55 ` Zachary Amsden
2007-03-09 0:10 ` Jeremy Fitzhardinge
2007-03-09 0:29 ` Linus Torvalds
2007-03-09 0:22 ` Daniel Walker
2007-03-09 0:28 ` Thomas Gleixner
2007-03-09 0:04 ` Thomas Gleixner
2007-03-09 0:44 ` Jeremy Fitzhardinge
2007-03-08 22:31 ` Zachary Amsden
2007-03-08 21:39 ` Andi Kleen
2007-03-08 22:58 ` Zachary Amsden
2007-03-08 18:35 ` Chris Wright
2007-03-07 23:33 ` + stupid-hack-to-make-mainline-build.patch added to -mm tree Jeremy Fitzhardinge
2007-03-07 23:52 ` Dan Hecht
2007-03-08 0:19 ` Jeremy Fitzhardinge
2007-03-08 0:35 ` Thomas Gleixner
2007-03-08 0:38 ` Jeremy Fitzhardinge
2007-03-07 20:40 ` Thomas Gleixner
2007-03-07 21:07 ` Jeremy Fitzhardinge
2007-03-07 21:40 ` Thomas Gleixner
2007-03-07 21:34 ` Dan Hecht
2007-03-07 22:14 ` Thomas Gleixner
2007-03-07 22:17 ` Zachary Amsden
2007-03-07 22:31 ` Thomas Gleixner
2007-03-07 22:28 ` Dan Hecht
2007-03-08 8:01 ` Ingo Molnar
2007-03-08 8:15 ` Keir Fraser
2007-03-08 8:41 ` Jeremy Fitzhardinge
2007-03-08 10:26 ` Rusty Russell
2007-03-07 21:42 ` Dan Hecht
2007-03-07 22:07 ` Thomas Gleixner
2007-03-07 5:10 ` Jeremy Fitzhardinge
2007-03-07 0:40 ` Thomas Gleixner
2007-03-07 0:42 ` Dan Hecht
2007-03-07 1:22 ` Thomas Gleixner
2007-03-07 1:44 ` Dan Hecht
2007-03-07 7:48 ` Thomas Gleixner
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