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* kbuild: use more subdir- for visiting subdirectories while cleaningMasahiro Yamada2021-10-241-0/+3
| | | | | | | | | | | | | | | | | | Documentation/kbuild/makefiles.rst suggests to use "archclean" for cleaning arch/$(SRCARCH)/boot/, but it is not a hard requirement. Since commit d92cc4d51643 ("kbuild: require all architectures to have arch/$(SRCARCH)/Kbuild"), we can use the "subdir- += boot" trick for all architectures. This can take advantage of the parallel option (-j) for "make clean". I also cleaned up the comments in arch/$(SRCARCH)/Makefile. The "archdep" target no longer exists. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
* alpha: move core-y in arch/alpha/Makefile to arch/alpha/KbuildMasahiro Yamada2021-05-261-0/+2
| | | | | | Use obj-y to clean up Makefile. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
* kbuild: require all architectures to have arch/$(SRCARCH)/KbuildMasahiro Yamada2021-05-261-0/+1
arch/$(SRCARCH)/Kbuild is useful for Makefile cleanups because you can use the obj-y syntax. Add an empty file if it is missing in arch/$(SRCARCH)/. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>