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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: | Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
| Date: | Tue, 29 Sep 2009 10:24:17 -0700 |
| Cc: | Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, "Xen-Devel \(E-mail\)" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>, "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> |
| Delivery-date: | Tue, 29 Sep 2009 10:24:37 -0700 |
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On 09/28/09 20:13, Dan Magenheimer wrote:
> So I believe, for rdtsc, correctness is more important
> than a small amount of performance.
>
So run the apps in an HVM domain, where emulating everything is
appropriate, and leave PV domains alone.
J
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