Re: [Xen-devel] High CPU temp, suspend problem - xen 4.1.5-pre, linux 3.7.x

[konrad wilk <konrad.wilk@xxxxxxxxxx>]

> > 3. ACPI C-states are only present for CPU0 (after resume of course), fixed by
> > "xen: Re-upload processor PM data to hypervisor after S3" patch by Ben, but it
> > isn't in upstream linux (nor Konrad's acpi-s3 branches).
> I don't recall seeing any ACK / NAK from Konrad on this.
>
> Original post:
> https://patchwork.kernel.org/patch/2033981/
>
> Konrad - do you have any thoughts about incorporating this into a
> future merge window?
Hey Ben,
I seem to have missed it.
I think the patch is missing a change to pr_backup->acpi_id = i, 
otherwise it would resend
the C-states with the same APIC ID. Also the upstream version does 
kfree(pr_backup) at some point.
But more importantly, do you know why it is needed? Is Xen hypervisor 
"loosing" this information because they go offline and then they are 
onlined again?

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