Re: [Xen-devel] clock source in PV Linux

[Jan Beulich <jbeulich@xxxxxxxx>]

On 11.12.2019 09:16, Jürgen Groß wrote:
> On 11.12.19 08:28, Jan Beulich wrote:
>> Jürgen, Boris,
>>
>> I've noticed
>>
>> <6>clocksource: Switched to clocksource tsc
>>
>> as the final clocksource related boot message in a PV Dom0's
>> log with 5.4.2. Is it intentional that it's not the "xen" one
>> that gets used by default?
> 
> I think this is fine. I just tested it and I'm seeing the same in dom0,
> while in a PV domU "xen" is used per default.
> 
> In dom0 "tsc" should be okay in case it is stable. Or are you expecting
> problems with that setting?

Well, first of all I found this surprising. Whether there are problems to
be expected largely depends on the reliability of the "stable" detection
in PV Dom0.

Jan

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