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RE: [Xen-devel] tsc_mode == 1 and hvm guests

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>
Date: Fri, 7 May 2010 16:18:49 +0800
Accept-language: en-US
Acceptlanguage: en-US
Cc: "Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx>
Delivery-date: Fri, 07 May 2010 01:21:11 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcrtLXELFCSIO/kCQze/eskt5fiWNwAj2EiA
Thread-topic: [Xen-devel] tsc_mode == 1 and hvm guests

>>> 
>>> Also there are two gtsc_khz AFAICT: d->arch.tsc_khz and
>>> d->arch.hvm_domain.gtsc_khz, why hvm guests have their own separate
>>> record of the guest tsc frequency, when they never actually change
>>> it? 

The latter one is only used for save/restore and migration to record the 
guest's expected TSC frequency.  Thanks!  
Xiantao

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- RE: [Xen-devel] tsc_mode == 1 and hvm guests
  - From: Dan Magenheimer

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