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39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From 107c0964cb8db7ca28ac5199426414fdab3c274d Mon Sep 17 00:00:00 2001
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From: "Alexandros C. Couloumbis" <alex@ozo.com>
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Date: Fri, 7 Jul 2017 17:14:51 +0200
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Subject: hack: arch: powerpc: drop register save/restore library from modules
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Upstream GCC uses a libgcc function for saving/restoring registers. This
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makes the code bigger, and upstream kernels need to carry that function
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for every single kernel module. Our GCC is patched to avoid those
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references, so we can drop the extra bloat for modules.
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lede-commit: e8e1084654f50904e6bf77b70b2de3f137d7b3ec
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Signed-off-by: Alexandros C. Couloumbis <alex@ozo.com>
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---
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arch/powerpc/Makefile | 1 -
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1 file changed, 1 deletion(-)
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--- a/arch/powerpc/Makefile
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+++ b/arch/powerpc/Makefile
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@@ -44,19 +44,6 @@ machine-$(CONFIG_PPC64) += 64
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machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le
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UTS_MACHINE := $(subst $(space),,$(machine-y))
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-# XXX This needs to be before we override LD below
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-ifdef CONFIG_PPC32
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-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
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-else
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-ifeq ($(call ld-ifversion, -ge, 225000000, y),y)
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-# Have the linker provide sfpr if possible.
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-# There is a corresponding test in arch/powerpc/lib/Makefile
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-KBUILD_LDFLAGS_MODULE += --save-restore-funcs
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-else
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-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
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-endif
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-endif
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-
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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KBUILD_CFLAGS += -mlittle-endian
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KBUILD_LDFLAGS += -EL
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