kbuild: clean compressed initramfs image
Since9e3596b0c6
("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: http://lkml.kernel.org/r/20190722063251.55541-1-gthelen@google.com Fixes:9e3596b0c6
("kbuild: initramfs cleanup, set target from Kconfig") Signed-off-by: Greg Thelen <gthelen@google.com> Cc: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -11,6 +11,9 @@ datafile_y = initramfs_data.cpio$(suffix_y)
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datafile_d_y = .$(datafile_y).d
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datafile_d_y = .$(datafile_y).d
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AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/$(datafile_y)"
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AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/$(datafile_y)"
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# clean rules do not have CONFIG_INITRAMFS_COMPRESSION. So clean up after all
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# possible compression formats.
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clean-files += initramfs_data.cpio*
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# Generate builtin.o based on initramfs_data.o
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# Generate builtin.o based on initramfs_data.o
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obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o
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obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o
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