From: Jeremy Fitzhardinge <jeremy@goop.org>
To: tglx@linutronix.de
Cc: Dan Hecht <dhecht@vmware.com>, Zachary Amsden <zach@vmware.com>,
Ingo Molnar <mingo@elte.hu>,
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: Tue, 06 Mar 2007 21:10:37 -0800 [thread overview]
Message-ID: <45EE494D.6090403@goop.org> (raw)
In-Reply-To: <1173228544.24738.514.camel@localhost.localdomain>
Thomas Gleixner wrote:
> Ooops. I completely forgot, that you get the absolute expiry time
> already in ktime_t format (nanoseconds) when dev->set_next_event() is
> called.
>
> dev->next_event = expires;
>
> is done right before the call.
>
> So it's already there for free.
>
OK, but a trap for young players (ie, me): the absolute time is in ns
since kernel boot, but the hypervisor wants an absolute time in ns since
system boot. Everything works reasonably well for the first guest
started early, so be sure to take a snapshot of hypervisor time early in
order to get the correction...
J
next prev parent reply other threads:[~2007-03-07 5:10 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
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 [this message]
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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