Index: sys/arm64/conf/GENERIC
===================================================================
--- sys/arm64/conf/GENERIC
+++ sys/arm64/conf/GENERIC
@@ -70,6 +70,7 @@
 options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
 options 	RCTL			# Resource limits
 options 	SMP
+options 	VFS_AIO
 
 # Debugging support.  Always need this:
 options 	KDB			# Enable kernel debugger support.