On Mon, Nov 08, 2021 at 10:01:04AM +0100, Peter Zijlstra wrote: > 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? The HFI is a package-level thermal interrupt. Hence, all CPUs get it. AFAIK there is no way to steer the interrupts. Thanks and BR, Ricardo