Re: [Xen-devel] [PATCH] xl: tsc_mode parameter in guest configuration file

[Vincent Hanquez <vincent.hanquez@xxxxxxxxxxxxx>]

On 29/03/10 20:49, Dan Magenheimer wrote:
> Thanks Eric!
>
> Sorry I didn't mention this earlier, but I just remembered it.
>
> For some of the tsc_mode's to work properly, tsc_mode AND
> additional tsc information must be preserved across a
> save/restore/migration.  Also, the no_migrate config option has
> an indirect impact on tsc_mode; with no_migrate specified
> certain guests will be able to use tsc as their primary
> clocksource, which can be much faster.  (IOW, implementing
> no_migrate is not a requirement, but may be worthwhile.)
it seems that the tsc information are automatically save by xenguest 
saving code, and embedded in the save image.
--
Vincent

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