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Re: [Xen-devel] Xen hiding thermal capabilities from Dom0



On 21.11.2019 16:46, Jürgen Groß wrote:
> On 21.11.19 16:36, Jan Beulich wrote:
>> On 21.11.2019 15:24, Jürgen Groß wrote:
>>> So: no, just giving dom0 access to the management hardware isn't going
>>> to fly. You need to have a proper virtualization layer for that purpose.
>>
>> Or, like I had done in our XenoLinux forward port, you need to
>> go through hoops to make the coretemp driver actually understand
>> the environment it's running in.
> 
> This will still not guarantee you'll be able to reach all physical
> cpus. IIRC you pinned the vcpu to the respective physical cpu for
> performing its duty, but with cpupools this might not be possible for
> all physical cpus in the system.

Correct - that work predated CPU pools by quite a bit, I think.

Jan

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