From: Zachary Amsden <zamsden@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: avi@redhat.com, mtosatti@redhat.com, glommer@redhat.com,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 17/17] Add timekeeping documentation
Date: Fri, 18 Jun 2010 06:33:17 -1000 [thread overview]
Message-ID: <4C1B9FCD.2050306@redhat.com> (raw)
In-Reply-To: <20100618074937.GA9045@basil.fritz.box>
On 06/17/2010 09:49 PM, Andi Kleen wrote:
>> The point is about hotplug CPUs. Any hotplugged CPU will not have a
>> perfectly synchronized TSC, ever, even on a single socket, single crystal
>> board.
>>
> hotplug was in the next section, not in this.
>
Yeah, I reread it and this section was totally confused. Hopefully it
makes more sense this time around.
> Besides most systems do not support hotplug CPUs.
>
Yet.
prev parent reply other threads:[~2010-06-18 17:35 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-15 7:34 TSC cleanups, fixes, documentation for KVM Zachary Amsden
2010-06-15 7:34 ` [PATCH 01/17] Eliminate duplicated timer code Zachary Amsden
2010-06-16 13:07 ` Glauber Costa
2010-06-15 7:34 ` [PATCH 02/17] Make cpu_tsc_khz updates use local CPU Zachary Amsden
2010-06-15 8:02 ` Avi Kivity
2010-06-15 7:34 ` [PATCH 03/17] Unify vendor TSC logic Zachary Amsden
2010-06-16 8:10 ` Jason Wang
2010-06-16 13:22 ` Glauber Costa
2010-06-17 8:03 ` Jason Wang
2010-06-16 18:42 ` Zachary Amsden
2010-06-17 8:15 ` Jason Wang
2010-06-17 20:30 ` Zachary Amsden
2010-06-15 7:34 ` [PATCH 04/17] Fix deep C-state TSC desynchronization Zachary Amsden
2010-06-15 8:09 ` Avi Kivity
2010-06-15 8:14 ` Zachary Amsden
2010-06-16 8:10 ` Jason Wang
2010-06-16 18:43 ` Zachary Amsden
2010-06-16 13:24 ` Glauber Costa
2010-06-16 19:20 ` Zachary Amsden
2010-06-15 7:34 ` [PATCH 05/17] Keep SMP VMs more in sync on unstable TSC Zachary Amsden
2010-06-15 8:11 ` Avi Kivity
2010-06-16 8:11 ` Jason Wang
2010-06-16 13:32 ` Glauber Costa
2010-06-16 21:15 ` Zachary Amsden
2010-06-15 7:34 ` [PATCH 06/17] Rename KVM_REQ_KVMCLOCK_UPDATE Zachary Amsden
2010-06-15 7:34 ` [PATCH 07/17] Perform hardware_enable in CPU_STARTING callback Zachary Amsden
2010-06-15 7:34 ` [PATCH 08/17] Add clock sync request to hardware enable Zachary Amsden
2010-06-15 8:24 ` Avi Kivity
2010-06-15 7:34 ` [PATCH 09/17] Move scale_delta into common header Zachary Amsden
2010-06-15 7:34 ` [PATCH 10/17] Make KVM clock computation work for other scales Zachary Amsden
2010-06-15 7:34 ` [PATCH 11/17] Fix a possible backwards warp of kvmclock Zachary Amsden
2010-06-15 8:40 ` Avi Kivity
2010-06-15 20:37 ` Zachary Amsden
2010-06-15 23:47 ` Marcelo Tosatti
2010-06-16 0:21 ` Zachary Amsden
2010-06-16 0:39 ` Marcelo Tosatti
2010-06-16 8:11 ` Jason Wang
2010-06-16 13:58 ` Glauber Costa
2010-06-16 14:13 ` Avi Kivity
2010-06-16 14:58 ` Glauber Costa
2010-06-16 22:38 ` Zachary Amsden
2010-06-16 19:36 ` Zachary Amsden
2010-06-15 7:34 ` [PATCH 12/17] Add helper function get_kernel_ns Zachary Amsden
2010-06-15 8:41 ` Avi Kivity
2010-06-15 21:03 ` Zachary Amsden
2010-06-15 21:13 ` john stultz
2010-06-16 8:12 ` Jason Wang
2010-06-16 14:03 ` Glauber Costa
2010-06-15 7:34 ` [PATCH 13/17] Add TSC offset tracking Zachary Amsden
2010-06-15 8:44 ` Avi Kivity
2010-06-15 7:34 ` [PATCH 14/17] Fix SVM VMCB reset Zachary Amsden
2010-06-15 7:34 ` [PATCH 15/17] Fix AMD C1 TSC desynchronization Zachary Amsden
2010-06-15 8:47 ` Avi Kivity
2010-06-15 9:21 ` Zachary Amsden
2010-06-15 14:46 ` Roedel, Joerg
2010-06-15 7:34 ` [PATCH 16/17] TSC reset compensation Zachary Amsden
2010-06-15 8:51 ` Avi Kivity
2010-06-15 20:32 ` Zachary Amsden
2010-06-16 0:27 ` Marcelo Tosatti
2010-06-16 0:32 ` Zachary Amsden
2010-06-16 13:52 ` Glauber Costa
2010-06-16 22:36 ` Zachary Amsden
2010-06-15 7:34 ` [PATCH 17/17] Add timekeeping documentation Zachary Amsden
2010-06-15 8:51 ` Avi Kivity
2010-06-15 20:27 ` Randy Dunlap
2010-06-16 23:59 ` Zachary Amsden
2010-06-17 8:55 ` Andi Kleen
2010-06-17 21:14 ` Zachary Amsden
2010-06-18 7:49 ` Andi Kleen
2010-06-18 16:33 ` Zachary Amsden [this message]
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