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xen-ia64-devel
Re: [Xen-ia64-devel] SMP guest and itc
On Thu, 2006-02-09 at 08:32 +0100, Tristan Gingold wrote:
> Hi,
>
> during boot, linux kernel tries to synchronize itc of all processors.
> However
> currently itc is not virtualized:
> (XEN) vcpu_set_itc: Setting ar.itc is currently disabled
>
> What should we do ?
> a) virtualize ITC
> b) para-virtualize ITC (ie, modifying linux kernel)
> c) pre-synchronize ITC
>
> I really prefer c).
I'm not sure I understand c). Aren't the ITCs already
pre-synchronized by xen in smp_callin()? Thanks,
Alex
--
Alex Williamson HP Linux & Open Source Lab
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- RE: [Xen-ia64-devel] SMP guest and itc, Dong, Eddie
- RE: [Xen-ia64-devel] SMP guest and itc, Magenheimer, Dan (HP Labs Fort Collins)
- RE: [Xen-ia64-devel] SMP guest and itc, Xu, Anthony
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