59747fb8693f ("kbuild: remove 'Using ... as source for kernel' message")
051f278e9d81 ("kbuild: replace KBUILD_SRCTREE with boolean building_out_of_srctree")
cdd750bfb1f7 ("kbuild: remove 'addtree' and 'flags' magic for header search paths")
4c7b63a32d54 ("Merge tag 'linux-kselftest-5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest")