Messages in this thread | | | Date | Fri, 16 Feb 2007 00:05:43 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [patch 14/21] Xen-paravirt: Add XEN config options and disable unsupported config options. |
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Dan Hecht wrote: > On 02/15/2007 11:04 PM, Jeremy Fitzhardinge wrote: >> HZ - I'm assuming dynticks will appear in the short term, and this will >> become moot > > Doesn't Xen send any non-blocked domain a 100hz alarm implicitly, > without anyway for the guest to disable it? I guess you'll have to > break kernel/hypervisor compatibility if you want dynticks?
The timer VIRQ will generate events at a fixed 100Hz (which can be masked, like any other event), but you can also ask for a timer event at a particular time. We do this already for tickless idle.
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