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SubjectRe: [PATCH] x86: Fix thermal throttling reporting after kexec
On Thu, 24 Sep 2015, Andi Kleen wrote:
> The per CPU thermal vector init code checks if the thermal
> vector is already installed and complains and bails out if
> it is.
>
> This happens after kexec, as kernel shut down does
> not clear the thermal vector APIC register.

So the obvious question is, why don't we do that.

> Just remove the check. I checked the code and there's
> no valid code paths where the thermal init code for a CPU
> could be called multiple times.

I'm not against removing that check as it does not really add value,
but we still should clear the APIC register at shut down, right?

Thanks,

tglx


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