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-rw-r--r--arch/x86/Makefile.um9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/Makefile.um b/arch/x86/Makefile.um
index 91085a08de6c..1db7913795f5 100644
--- a/arch/x86/Makefile.um
+++ b/arch/x86/Makefile.um
@@ -26,13 +26,6 @@ cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
# an unresolved reference.
cflags-y += -ffreestanding
-# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
-# a lot more stack due to the lack of sharing of stacklots. Also, gcc
-# 4.3.0 needs -funit-at-a-time for extern inline functions.
-KBUILD_CFLAGS += $(shell if [ $(cc-version) -lt 0400 ] ; then \
- echo $(call cc-option,-fno-unit-at-a-time); \
- else echo $(call cc-option,-funit-at-a-time); fi ;)
-
KBUILD_CFLAGS += $(cflags-y)
else
@@ -54,6 +47,4 @@ ELF_FORMAT := elf64-x86-64
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
LINK-y += -m64
-# Do unit-at-a-time unconditionally on x86_64, following the host
-KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
endif