diff options
Diffstat (limited to 'target/linux/generic/hack-5.10/321-powerpc_crtsavres_prereq.patch')
-rw-r--r-- | target/linux/generic/hack-5.10/321-powerpc_crtsavres_prereq.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic/hack-5.10/321-powerpc_crtsavres_prereq.patch b/target/linux/generic/hack-5.10/321-powerpc_crtsavres_prereq.patch new file mode 100644 index 0000000000..4bb438295d --- /dev/null +++ b/target/linux/generic/hack-5.10/321-powerpc_crtsavres_prereq.patch @@ -0,0 +1,38 @@ +From 107c0964cb8db7ca28ac5199426414fdab3c274d Mon Sep 17 00:00:00 2001 +From: "Alexandros C. Couloumbis" <alex@ozo.com> +Date: Fri, 7 Jul 2017 17:14:51 +0200 +Subject: hack: arch: powerpc: drop register save/restore library from modules + +Upstream GCC uses a libgcc function for saving/restoring registers. This +makes the code bigger, and upstream kernels need to carry that function +for every single kernel module. Our GCC is patched to avoid those +references, so we can drop the extra bloat for modules. + +lede-commit: e8e1084654f50904e6bf77b70b2de3f137d7b3ec +Signed-off-by: Alexandros C. Couloumbis <alex@ozo.com> +--- + arch/powerpc/Makefile | 1 - + 1 file changed, 1 deletion(-) + +--- a/arch/powerpc/Makefile ++++ b/arch/powerpc/Makefile +@@ -61,19 +61,6 @@ machine-$(CONFIG_PPC64) += 64 + machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le + UTS_MACHINE := $(subst $(space),,$(machine-y)) + +-# XXX This needs to be before we override LD below +-ifdef CONFIG_PPC32 +-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o +-else +-ifeq ($(call ld-ifversion, -ge, 225000000, y),y) +-# Have the linker provide sfpr if possible. +-# 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 +-endif +-endif +- + ifdef CONFIG_CPU_LITTLE_ENDIAN + KBUILD_CFLAGS += -mlittle-endian + KBUILD_LDFLAGS += -EL |