Messages in this thread | | | Date | Fri, 16 Feb 2007 11:24:56 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [Xen-devel] Re: [patch 14/21] Xen-paravirt: Add XEN config options and disableunsupported config options. |
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Keir Fraser wrote: > We can extend the Xen timer interface quite easily and get rid of this one > too. In fact it doesn't *much* matter if the CONFIG_HZ differs from the Xen > ticker rate -- we modified the Linux timer ISR to handle timer interrupts at > arbitrary times already. The only drawback is that jiffies updates in burts > if CONFIG_HZ is higher than the actual tick rate, and this can affect some > calibration constants and cause Linux to print out some weird values at > start-of-day. >
I was wondering what would happen if we tried that. I guess its equivalent to having stolen time between each Xen tick.
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