Re: [PATCH] AMD Thermal Interrupt Support

Andi Kleen
2007-12-29T02:34:45Z

On Saturday 29 December 2007 03:30:17 Valdis.Kletnieks@vt.edu wrote:
> On Sat, 29 Dec 2007 03:11:51 +0100, Andi Kleen said:
> > On Friday 28 December 2007 21:40:28 Russell Leidich wrote:
>
> > + printk(KERN_CRIT "CPU 0x%x: Thermal monitoring not "
> > + "functional.\n", cpu);
> >
> > Why is that KERN_CRIT? Does not seem that critical to me.
>
> If you think you're running on a chipset that *should* support thermal
> monitoring, and it isn't there in a usable state, that seems pretty critical
> to me. If that didn't work, you probably can't trust the "oh, the chip will
> thermal-limit itself if it gets to 100C or whatever" either.

Thermal shutdown in emergency uses quite different mechanisms (e.g. it goes
directly through pins to the motherboard); i don't think that code checks for
that.

-Andi