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dtbsinstall: don't move target directory out of the way 

No other kernel installation target moves the target directory out of
the way, even deleting an old version of it.  These are destructive
operations, ones which the kernel build system should not be making.

This behaviour prevents being able to do:

	make install INSTALL_PATH=/some/path/boot
	make dtbs_install INSTALL_DTBS_PATH=/some/path/boot

As it causes the boot directory containing the kernel installed in
step 1 to be moved to /some/path/boot.old.  Things get even more fun
if you do:

	make install dtbs_install INSTALL_PATH=/some/path/boot INSTALL_DTBS_PATH=/some/path/boot

The kernel gets installed into /some/path/boot, then the directory gets
renamed to /some/path/boot.old, and a new directory created to hold the
dtbs.  Even more fun if you supply -j2 when we end up with races in
make.

Remove this behaviour.

If this behaviour is required at installation time, this should be
done by the installation external to the kernel makefiles, just like
it would be done for 'make modules_install'.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michal Marek <mmarek@suse.com>
hifive-unleashed-5.1
Russell King 2015-10-20 14:01:32 +01:00 committed by Michal Marek
parent 92e963f50f
commit 5399eb9b39
1 changed files with 0 additions and 2 deletions
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2
scripts/Makefile.dtbinst
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@ -23,8 +23,6 @@ include $(src)/Makefile
PHONY += __dtbs_install_prep
__dtbs_install_prep:
ifeq ("$(dtbinst-root)", "$(obj)")
$(Q)if [ -d $(INSTALL_DTBS_PATH).old ]; then rm -rf $(INSTALL_DTBS_PATH).old; fi
$(Q)if [ -d $(INSTALL_DTBS_PATH) ]; then mv $(INSTALL_DTBS_PATH) $(INSTALL_DTBS_PATH).old; fi
$(Q)mkdir -p $(INSTALL_DTBS_PATH)
endif