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

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