Description of problem:
I have this messages in the log after reboot:

core: CPU erratum AAJ80 worked around
core: CPUID marked event: 'bus cycles' unavailable
... version:                3
... bit width:              48
... generic registers:      4
... value mask:             0000ffffffffffff
... max period:             000000007fffffff
... fixed-purpose events:   3
... event mask:             000000070000000f

Is this a problem?  And if not why is it reported?

Version-Release number of selected component (if applicable):
Several of the last few kernels, now at
  kernel-4.11.10-300.fc26.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Reboot
2. Look in logs

Actual results:
See above.

Expected results:
Not sure if I should expect those lines or not.

Additional info: