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Re: [Xen-devel] common time reference between domU and dom0
| To: | James Harper <james.harper@xxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] common time reference between domU and dom0 |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Fri, 10 Dec 2010 10:00:38 +0000 |
| Cc: | |
| Delivery-date: | Fri, 10 Dec 2010 02:02:20 -0800 |
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| Thread-topic: | [Xen-devel] common time reference between domU and dom0 |
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On 10/12/2010 08:23, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote: >> >> System time, as exposed to guests by Xen, should be good enough. >> > > How is this exposed for HVM systems? Given all HVM guest time sources are trapped to the hypervisor, including TSC, you may as well just use the HVMOP_get_time hypercall. -- Keir > James _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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