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Re: [Xen-devel] [PATCH] replace rdtsc emulation-vs-native xen boot optio
| To: | Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] replace rdtsc emulation-vs-native xen boot option with per-domain (hypervisor part) |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Tue, 06 Oct 2009 14:59:21 +0100 |
| Cc: | Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "Xen-Devel \(E-mail\)" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Tue, 06 Oct 2009 07:01:55 -0700 |
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| Thread-index: | AcpGi/kqOznuvMbQTkSWF/OtyVZnkwAATrSw |
| Thread-topic: | [Xen-devel] [PATCH] replace rdtsc emulation-vs-native xen boot option with per-domain (hypervisor part) |
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On 06/10/2009 14:49, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote: > This was intended to record the offset across migration. > But a per-domain stime offset must already be recorded > somewhere else, or hvm fully-emulated platform timers > would be broken across migration. > > Do pv guests need something similar or is it magically > handled someplace that I couldn't quickly find? PV guests understand that there will be a system-time discontinuity across save/restore. All I did was remove an unused field. You can reintro it when you use it. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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