From: Arun Chandran Date: Thu, 26 Jun 2014 09:46:03 +0000 (+0530) Subject: arm64: vdso: fix build error when switching from LE to BE X-Git-Tag: omap-for-v3.17/fixes-against-rc2~183^2~5 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1915e2ad1cf548217c963121e4076b3d44dd0169;p=pandora-kernel.git arm64: vdso: fix build error when switching from LE to BE Building a kernel with CPU_BIG_ENDIAN fails if there are stale objects from a !CPU_BIG_ENDIAN build. Due to a missing FORCE prerequisite on an if_changed rule in the VDSO Makefile, we attempt to link a stale LE object into the new BE kernel. According to Documentation/kbuild/makefiles.txt, FORCE is required for if_changed rules and forgetting it is a common mistake, so fix it by 'Forcing' the build of vdso. This patch fixes build errors like these: arch/arm64/kernel/vdso/note.o: compiled for a little endian system and target is big endian failed to merge target specific data of file arch/arm64/kernel/vdso/note.o arch/arm64/kernel/vdso/sigreturn.o: compiled for a little endian system and target is big endian failed to merge target specific data of file arch/arm64/kernel/vdso/sigreturn.o Tested-by: Mark Rutland Signed-off-by: Arun Chandran Signed-off-by: Will Deacon --- Reading git-diff-tree failed