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Patch file for compiling older kernels for x86_64.
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diff -up linux-4.4/arch/x86/Makefile.orig linux-4.4/arch/x86/Makefile | |
--- linux-4.4/arch/x86/Makefile.orig 2020-03-19 03:08:53.569999999 -0600 | |
+++ linux-4.4/arch/x86/Makefile 2020-03-19 03:38:57.889999999 -0600 | |
@@ -218,6 +218,14 @@ KBUILD_CFLAGS += -fno-asynchronous-unwin | |
KBUILD_CFLAGS += $(mflags-y) | |
KBUILD_AFLAGS += $(mflags-y) | |
+# | |
+# Binutils 2.34 cannot handle sysexit, this corrects for now. | |
+# | |
+ifdef CONFIG_X86_64 | |
+KBUILD_AFLAGS += -Wa,-mintel64 | |
+KBUILD_CFLAGS += -Wa,-mintel64 | |
+endif | |
+ | |
# Avoid indirect branches in kernel to deal with Spectre | |
ifdef CONFIG_RETPOLINE | |
RETPOLINE_CFLAGS += $(call cc-option,-mindirect-branch=thunk-extern -mindirect-branch-register) |
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