From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: Re: [PATCH v13] tolerate jitter in cpu_khz calculation
 to avoid TSC emulation
Date: Wed, 13 Mar 2019 14:35:41 +0100
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To: Jan Beulich <JBeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, xen-devel <xen-devel@lists.xenproject.org>, Wei Liu <wei.liu2@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Roger Pau Monne <roger.pau@citrix.com>
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Am Wed, 13 Mar 2019 04:38:06 -0600
schrieb "Jan Beulich" <JBeulich@suse.com>:

> 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 mi=
gration?
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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