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Re: [Xen-devel] [PATCH v13] tolerate jitter in cpu_khz calculation to avoid TSC emulation



Am Wed, 13 Mar 2019 04:38:06 -0600
schrieb "Jan Beulich" <JBeulich@xxxxxxxx>:

> But this affects a guest even ahead of migration. What if one
> uses migration really just for emergencies? Why would they
> run their guests in always-emulate mode?

Because this is what they will end up for the lifetime of the domU after 
migration?
The domU can not be just migrated back in the hope the originating
host has the expected cpu_khz value.

Olaf

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