Index: sys/amd64/conf/NOTES
===================================================================
--- sys/amd64/conf/NOTES
+++ sys/amd64/conf/NOTES
@@ -41,6 +41,7 @@
 options 	IPI_PREEMPTION
 device		atpic			# Optional legacy pic support
 device		mptable			# Optional MPSPEC mptable support
+options 	CPUGRP_SCORE		# Support CPU Group Score for coredirector
 
 # Debugging options.
 #
@@ -580,6 +581,11 @@
 device		coretemp
 device		amdtemp
 
+#
+# IntelHardware Feedback Interface / IntelThread Director driver.
+#
+device		coredirector
+
 #
 # CPU control pseudo-device. Provides access to MSRs, CPUID info and
 # microcode update feature.