[RFC] Patch to enable temperature ceiling in powerd

Alexandre "Sunny" Kovalenko alex.kovalenko at verizon.net
Sat Feb 16 07:58:40 UTC 2008

On Sat, 2008-02-16 at 16:17 +0900, Hajimu UMEMOTO wrote:
> Hi,
> >>>>> On Fri, 15 Feb 2008 23:37:16 -0500
> >>>>> "Alexandre \"Sunny\" Kovalenko" <alex.kovalenko at verizon.net> said:
<sysctl hw.acpi.thermal output removed>
> Thank you for confirmation.  I've just committed it.
Thank you very much. Any chance of MFC?

> alex> I have one question regarding this patch: it enables passive cooling for
> alex> the thermal zone, which has _PSV, _TSP, _TC1 and _TC2. Isn't it
> alex> necessary to also have _PSL in the thermal zone to have passive cooling?
> Since cpufreq enumerates all CPUs for us, we ignore _PSL for now.
> However, it's possible in the future _PSL will reference non-CPU
> devices so we may want to support it then.
So, on the multi-socket motherboards, with the separate TZ objects for
each socket, we will throttle all available CPUs, right?

> Sincerely,
> --
> Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
> ume at mahoroba.org  ume@{,jp.}FreeBSD.org
> http://www.imasy.org/~ume/
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Alexandre "Sunny" Kovalenko (Олександр Коваленко)

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