From: "David S. Ahern" <daahern@cisco.com>
To: Chris Lalancette <clalance@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH 5/5] Fix kdump under KVM.
Date: Fri, 30 Oct 2009 12:03:20 -0600 [thread overview]
Message-ID: <4AEB2A68.70602@cisco.com> (raw)
In-Reply-To: <4AEB0601.10103@redhat.com>
On 10/30/2009 09:28 AM, Chris Lalancette wrote:
>>
>> For VMX, the guests TSC's are now usually synchronized (which was not
>> the case before, when this patch was written). For AMD, they start out
>> of sync.
>>
>> Migration also causes them to be out of sync. So i'd prefer to postpone
>> the removal of this limitation until there is a guarantee the TSCs
>> are synchronized across vcpus.
>
> OK. I'll try to get on an unsynchronized TSC machine and see if I can reproduce
> there.
Perhaps Marcelo was referring to his patchset from December 2008
targeting TSC synchronization?
http://www.mail-archive.com/kvm@vger.kernel.org/msg08071.html
David
next prev parent reply other threads:[~2009-10-30 18:03 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-27 16:41 [PATCH 0/5]: Fix kdump under KVM Chris Lalancette
2009-10-27 16:41 ` [PATCH 1/5] Fix up some comments around the source tree Chris Lalancette
2009-10-27 16:41 ` [PATCH 2/5] Remove KVM_REQ_PENDING_TIMER Chris Lalancette
2009-10-27 16:41 ` [PATCH 3/5] Remove references to VCPU in i8254 Chris Lalancette
2009-10-27 16:41 ` [PATCH 4/5] Remove timer.c Chris Lalancette
2009-10-27 16:41 ` [PATCH 5/5] Fix kdump under KVM Chris Lalancette
2009-10-27 17:42 ` Marcelo Tosatti
2009-10-28 10:21 ` Chris Lalancette
2009-10-28 12:41 ` Marcelo Tosatti
2009-10-30 12:23 ` Chris Lalancette
2009-10-30 13:07 ` Marcelo Tosatti
2009-10-30 15:28 ` Chris Lalancette
2009-10-30 18:03 ` David S. Ahern [this message]
2009-10-30 22:21 ` Marcelo Tosatti
2009-10-30 22:19 ` Marcelo Tosatti
2009-11-01 15:21 ` Avi Kivity
2009-11-02 13:22 ` Chris Lalancette
2009-11-02 13:30 ` Avi Kivity
2009-10-28 9:59 ` [PATCH 0/5]: " Avi Kivity
2009-10-28 10:13 ` Chris Lalancette
2009-10-28 10:31 ` Avi Kivity
2009-10-29 8:34 ` Chris Lalancette
2009-10-29 10:15 ` Avi Kivity
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