Vitor Massaru Iha ca3a2ca4cf um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/ ... commit 63ec90f182 upstream. In this workflow: $ make ARCH=um defconfig && make ARCH=um -j8 [snip] $ make ARCH=um mrproper [snip] $ make ARCH=um defconfig O=./build_um && make ARCH=um -j8 O=./build_um [snip] CC scripts/mod/empty.o In file included from ../include/linux/types.h:6, from ../include/linux/mod_devicetable.h:12, from ../scripts/mod/devicetable-offsets.c:3: ../include/uapi/linux/types.h:5:10: fatal error: asm/types.h: No such file or directory 5 | #include <asm/types.h> | ^~~~~~~~~~~~~ compilation terminated. make[2]: *** [../scripts/Makefile.build💯 scripts/mod/devicetable-offsets.s] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/home/iha/sdb/opensource/lkmp/linux-kselftest.git/Makefile:1140: prepare0] Error 2 make[1]: Leaving directory '/home/iha/sdb/opensource/lkmp/linux-kselftest.git/build_um' make: *** [Makefile:180: sub-make] Error 2 The cause of the error was because arch/$(SUBARCH)/include/generated files weren't properly cleaned by `make ARCH=um mrproper`. Fixes: a788b2ed81 ("kbuild: check arch/$(SRCARCH)/include/generated before out-of-tree build") Reported-by: Theodore Ts'o <tytso@mit.edu> Suggested-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Vitor Massaru Iha <vitor@massaru.org> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Link: https://groups.google.com/forum/#!msg/kunit-dev/QmA27YEgEgI/hvS1kiz2CwAJ Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-05-02 08:48:53 +02:00
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Makefile	um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/	2020-05-02 08:48:53 +02:00
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