RE: [RFC 08/10] platform/x86/intel/ifs: Add IFS sysfs interface

From: Luck, Tony
Date: Mon Mar 07 2022 - 16:33:53 EST


> > Also some context on test frequency: Hardware has strict rate limiting of tests.
> > Every core can be tested only once in every 30 minutes. So it is pointless to test at high frequency.
>
> What limits this, the kernel?

Microcode enforces the per-core repeat rate on the first implementation.

But this limit isn't architectural. Future implementations may not have
the same, or perhaps any, limit.

-Tony