/usr/src/linux-headers-5.15.0-190/ubuntu
Edit: /usr/src/linux-headers-5.15.0-190/ubuntu/Makefile (515B)
#
# Makefile for the Linux kernel ubuntu supplied third-party device drivers.
#
#
# NOTE: to allow drivers to be added and removed without causing merge
# collisions you should add new entries in the middle of the six lines
# of ## at the bottom of the list. Always add three lines of ## above
# your new entry and maintain the six lines below.
#
##
##
##
##
##
##
obj-$(CONFIG_UBUNTU_HOST) += ubuntu-host/
##
##
##
##
##
##
# This is a stupid trick to get kbuild to create ubuntu/built-in.o
obj- += foo.o