From: Ingo Molnar <mingo@elte.hu>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Virtualization Mailing List <virtualization@lists.osdl.org>,
john stultz <johnstul@us.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
tglx@linutronix.de, akpm@linux-foundation.org
Subject: Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree
Date: Wed, 7 Mar 2007 18:49:57 +0100 [thread overview]
Message-ID: <20070307174957.GA31371@elte.hu> (raw)
In-Reply-To: <45EEF966.6060902@goop.org>
* Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> Xen, for example, uses the tsc as the principle timebase in the
> hypervisor interface. [...]
ugh. Please take it from me: i've watched the Linux time code walk its
long, rocky 10+ years road. One of the first mistakes was when we made
the TSC the center of the i386-time universe. (incidentally, it was me
who did the first steps of that, as a rookie kernel hacker) We got cured
out of that in v2.6.19, v2.6.20 and v2.6.21. Granted, Xen is only at the
beginning of that same road. Meet in another 10 years? ;)
Ingo
WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@elte.hu>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: tglx@linutronix.de, Dan Hecht <dhecht@vmware.com>,
Zachary Amsden <zach@vmware.com>,
akpm@linux-foundation.org, ak@suse.de,
Virtualization Mailing List <virtualization@lists.osdl.org>,
Rusty Russell <rusty@rustcorp.com.au>,
LKML <linux-kernel@vger.kernel.org>,
john stultz <johnstul@us.ibm.com>
Subject: Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree
Date: Wed, 7 Mar 2007 18:49:57 +0100 [thread overview]
Message-ID: <20070307174957.GA31371@elte.hu> (raw)
In-Reply-To: <45EEF966.6060902@goop.org>
* Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> Xen, for example, uses the tsc as the principle timebase in the
> hypervisor interface. [...]
ugh. Please take it from me: i've watched the Linux time code walk its
long, rocky 10+ years road. One of the first mistakes was when we made
the TSC the center of the i386-time universe. (incidentally, it was me
who did the first steps of that, as a rookie kernel hacker) We got cured
out of that in v2.6.19, v2.6.20 and v2.6.21. Granted, Xen is only at the
beginning of that same road. Meet in another 10 years? ;)
Ingo
next prev parent reply other threads:[~2007-03-07 17:49 UTC|newest]
Thread overview: 169+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-06 6:52 + stupid-hack-to-make-mainline-build.patch added to -mm tree akpm
[not found] ` <45ED16D2.3000202@vmware.com>
[not found] ` <20070306084258.GA15745@elte.hu>
[not found] ` <20070306084647.GA16280@elte.hu>
2007-03-06 8:55 ` Zachary Amsden
2007-03-06 10:59 ` Thomas Gleixner
2007-03-06 21:07 ` Dan Hecht
2007-03-06 21:07 ` Dan Hecht
2007-03-06 22:21 ` Andi Kleen
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 17:41 ` Jeremy Fitzhardinge
2007-03-07 17:49 ` Ingo Molnar [this message]
2007-03-07 17:49 ` Ingo Molnar
2007-03-07 18:03 ` James Morris
2007-03-07 18:03 ` James Morris
2007-03-07 18:35 ` Jeremy Fitzhardinge
2007-03-07 18:35 ` Jeremy Fitzhardinge
2007-03-08 0:45 ` Alan Cox
2007-03-08 0:45 ` Alan Cox
2007-03-07 17:52 ` Ingo Molnar
2007-03-07 17:52 ` Ingo Molnar
2007-03-07 18:28 ` Jeremy Fitzhardinge
2007-03-07 18:53 ` Thomas Gleixner
2007-03-07 18:53 ` Thomas Gleixner
2007-03-07 18:11 ` James Morris
2007-03-07 18:11 ` James Morris
2007-03-07 18:56 ` Thomas Gleixner
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 20:49 ` Dan Hecht
2007-03-07 21:14 ` Thomas Gleixner
2007-03-07 21:14 ` Thomas Gleixner
2007-03-07 20:57 ` 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 21:19 ` 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 23:05 ` Thomas Gleixner
2007-03-07 23:25 ` Zachary Amsden
2007-03-07 23:36 ` Jeremy Fitzhardinge
2007-03-07 23:40 ` Zachary Amsden
2007-03-07 23:40 ` Zachary Amsden
2007-03-08 18:30 ` Chris Wright
2007-03-08 18:30 ` Chris Wright
2007-03-08 0:22 ` Thomas Gleixner
2007-03-08 1:01 ` Daniel Arai
2007-03-08 1:01 ` Daniel Arai
2007-03-08 1:23 ` Jeremy Fitzhardinge
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 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 19:14 ` Chris Wright
2007-03-08 19:17 ` Ingo Molnar
2007-03-08 19:17 ` Ingo Molnar
2007-03-08 19:42 ` Jeremy Fitzhardinge
2007-03-08 19:47 ` Chris Wright
2007-03-08 19:47 ` 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 20:18 ` Jeremy Fitzhardinge
2007-03-08 20:23 ` Chris Wright
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 ` Chris Wright
2007-03-08 20:42 ` Jeremy Fitzhardinge
2007-03-08 20:42 ` Jeremy Fitzhardinge
2007-03-08 21:45 ` Andi Kleen
2007-03-08 21:45 ` Andi Kleen
2007-03-08 19:54 ` Ingo Molnar
2007-03-08 19:54 ` Ingo Molnar
2007-03-08 9:10 ` hardwired VMI crap Ingo Molnar
2007-03-08 10:06 ` Zachary Amsden
2007-03-08 11:09 ` Thomas Gleixner
2007-03-08 20:46 ` Zachary Amsden
2007-03-08 20:46 ` Zachary Amsden
2007-03-08 21:13 ` Ingo Molnar
2007-03-08 22:17 ` Zachary Amsden
2007-03-08 22:33 ` Ingo Molnar
2007-03-08 22:39 ` Zachary Amsden
2007-03-16 10:12 ` Pavel Machek
2007-03-08 21:15 ` Jeremy Fitzhardinge
2007-03-08 21:34 ` Ingo Molnar
2007-03-08 21:34 ` Ingo Molnar
2007-03-08 21:43 ` Andi Kleen
2007-03-08 22:30 ` Ingo Molnar
2007-03-08 22:36 ` Zachary Amsden
2007-03-08 23:39 ` Jeremy Fitzhardinge
2007-03-08 23:39 ` Jeremy Fitzhardinge
2007-03-08 23:55 ` Zachary Amsden
2007-03-08 23:55 ` Zachary Amsden
2007-03-09 0:10 ` Jeremy Fitzhardinge
2007-03-09 0:29 ` Linus Torvalds
2007-03-09 0:29 ` Linus Torvalds
2007-03-09 0:22 ` Daniel Walker
2007-03-09 0:22 ` Daniel Walker
2007-03-09 0:28 ` Thomas Gleixner
2007-03-09 0:28 ` Thomas Gleixner
2007-03-09 0:04 ` 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 22:31 ` Zachary Amsden
2007-03-08 21:39 ` Andi Kleen
2007-03-08 21:39 ` Andi Kleen
2007-03-08 22:58 ` Zachary Amsden
2007-03-08 22:42 ` Ingo Molnar
2007-03-08 23:39 ` Zachary Amsden
2007-03-08 18:35 ` Chris Wright
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 0:19 ` Jeremy Fitzhardinge
2007-03-08 0:35 ` Thomas Gleixner
2007-03-08 0:38 ` Jeremy Fitzhardinge
2007-03-08 0:38 ` Jeremy Fitzhardinge
2007-03-07 20:40 ` Thomas Gleixner
2007-03-07 21:07 ` Jeremy Fitzhardinge
2007-03-07 21:07 ` Jeremy Fitzhardinge
2007-03-07 21:40 ` Thomas Gleixner
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 22:17 ` Zachary Amsden
2007-03-07 22:31 ` Thomas Gleixner
2007-03-07 22:31 ` Thomas Gleixner
2007-03-07 22:28 ` Dan Hecht
2007-03-07 22:28 ` Dan Hecht
2007-03-08 8:01 ` Ingo Molnar
2007-03-08 8:01 ` Ingo Molnar
2007-03-08 8:15 ` Keir Fraser
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 21:42 ` Dan Hecht
2007-03-07 22:07 ` Thomas Gleixner
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 1:22 ` Thomas Gleixner
2007-03-07 1:44 ` Dan Hecht
2007-03-07 1:44 ` Dan Hecht
2007-03-07 7:48 ` Thomas Gleixner
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