Index: stand/defaults/loader.conf.5
===================================================================
--- stand/defaults/loader.conf.5
+++ stand/defaults/loader.conf.5
@@ -23,7 +23,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
-.Dd March 23, 2018
+.Dd August 27, 2018
 .Dt LOADER.CONF 5
 .Os
 .Sh NAME
@@ -289,6 +289,23 @@
 .Pq Dq /boot/entropy
 The name of the very early
 boot-time entropy cache file.
+.It Va cpu_microcode_load
+.Pq Dq NO
+If set to
+.Dq YES ,
+the microcode update file specified by
+.Va cpu_microcode_name
+will be loaded and applied very early during boot.
+If the update file contains updates for multiple processor models,
+the kernel will search for and extract a matching update.
+Currently this setting is supported only for Intel
+.Dv i386
+and
+.Dv amd64
+processors.
+It has no effect on other processors.
+.It Va cpu_microcode_name
+A path to a microcode update file.
 .El
 .Sh OTHER SETTINGS
 Other settings that may be used in