path: root/usr
diff options
authorGreg Thelen <>2019-09-23 15:33:05 -0700
committerLinus Torvalds <>2019-09-24 15:54:07 -0700
commit6279eb3dd7946c69346a3b98473ed13d3a44adb5 (patch)
tree9d6ceefd2d81280cd3c0a105b69732a9d96fad0c /usr
parent3f9d2b5766aea06042630ac60b7316fd0cebf06f (diff)
kbuild: clean compressed initramfs image
Since 9e3596b0c653 ("kbuild: initramfs cleanup, set target from Kconfig") "make clean" leaves behind compressed initramfs images. Example: $ make defconfig $ sed -i 's|CONFIG_INITRAMFS_SOURCE=""|CONFIG_INITRAMFS_SOURCE="/tmp/ir.cpio"|' .config $ make olddefconfig $ make -s $ make -s clean $ git clean -ndxf | grep initramfs Would remove usr/initramfs_data.cpio.gz clean rules do not have CONFIG_* context so they do not know which compression format was used. Thus they don't know which files to delete. Tell clean to delete all possible compression formats. Once patched usr/initramfs_data.cpio.gz and friends are deleted by "make clean". Link: Fixes: 9e3596b0c653 ("kbuild: initramfs cleanup, set target from Kconfig") Signed-off-by: Greg Thelen <> Cc: Nicholas Piggin <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'usr')
1 files changed, 3 insertions, 0 deletions
diff --git a/usr/Makefile b/usr/Makefile
index 6a89eb019275..e6f7cb2f81db 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -11,6 +11,9 @@ datafile_y = initramfs_data.cpio$(suffix_y)
datafile_d_y = .$(datafile_y).d
AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/$(datafile_y)"
+# clean rules do not have CONFIG_INITRAMFS_COMPRESSION. So clean up after all
+# possible compression formats.
+clean-files += initramfs_data.cpio*
# Generate builtin.o based on initramfs_data.o
obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o