| Date | Mon, 8 Nov 2021 10:01:04 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 5/7] thermal: intel: hfi: Enable notification interrupt |
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On Fri, Nov 05, 2021 at 06:33:10PM -0700, Ricardo Neri wrote: > + /* > + * On most systems, all CPUs in the package receive a package-level > + * thermal interrupt when there is an HFI update. Since they all are > + * dealing with the same update (as indicated by the update timestamp), > + * it is sufficient to let a single CPU to acknowledge the update and > + * schedule work to process it. > + */
That's pretty crap hardware behaviour. Is there really no way to steer these interrupts?
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