6.17-stable review patch. If anyone has any objections, please let me know.
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From: Kienan Stewart kstewart@efficios.com
[ Upstream commit 46104a7d3ccd2acfe508e661393add0615c27a22 ]
In the upstream commit 214c0eea43b2ea66bcd6467ea57e47ce8874191b ("kbuild: add $(objtree)/ prefix to some in-kernel build artifacts") artifacts required for building out-of-tree kernel modules had $(objtree) prepended to them to prepare for building in other directories.
When building external modules for powerpc, arch/powerpc/lib/crtsavres.o is required for certain configurations. This artifact is missing the prepended $(objtree).
Fixes: 13b25489b6f8 ("kbuild: change working directory to external module directory with M=") Acked-by: Masahiro Yamada masahiroy@kernel.org Reviewed-by: Nicolas Schier n.schier@avm.de Tested-by: Nicolas Schier n.schier@avm.de Signed-off-by: Kienan Stewart kstewart@efficios.com Signed-off-by: Madhavan Srinivasan maddy@linux.ibm.com Link: https://patch.msgid.link/20250218-buildfix-extmod-powerpc-v2-1-1e78fcf12b56@... Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 9753fb87217c3..a58b1029592ce 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -58,7 +58,7 @@ ifeq ($(CONFIG_PPC64)$(CONFIG_LD_IS_BFD),yy) # There is a corresponding test in arch/powerpc/lib/Makefile KBUILD_LDFLAGS_MODULE += --save-restore-funcs else -KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o +KBUILD_LDFLAGS_MODULE += $(objtree)/arch/powerpc/lib/crtsavres.o endif
ifdef CONFIG_CPU_LITTLE_ENDIAN