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-rw-r--r--arch/x86_64/Makefile4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index e573e2ab5510..431bb4bc36cd 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -27,6 +27,7 @@ LDFLAGS_vmlinux :=
27CHECKFLAGS += -D__x86_64__ -m64 27CHECKFLAGS += -D__x86_64__ -m64
28 28
29cflags-y := 29cflags-y :=
30cflags-kernel-y :=
30cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) 31cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
31cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) 32cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
32cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) 33cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
@@ -35,7 +36,7 @@ cflags-y += -m64
35cflags-y += -mno-red-zone 36cflags-y += -mno-red-zone
36cflags-y += -mcmodel=kernel 37cflags-y += -mcmodel=kernel
37cflags-y += -pipe 38cflags-y += -pipe
38cflags-$(CONFIG_REORDER) += -ffunction-sections 39cflags-kernel-$(CONFIG_REORDER) += -ffunction-sections
39# this makes reading assembly source easier, but produces worse code 40# this makes reading assembly source easier, but produces worse code
40# actually it makes the kernel smaller too. 41# actually it makes the kernel smaller too.
41cflags-y += -fno-reorder-blocks 42cflags-y += -fno-reorder-blocks
@@ -55,6 +56,7 @@ cflags-y += $(call cc-option,-funit-at-a-time)
55cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) 56cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
56 57
57CFLAGS += $(cflags-y) 58CFLAGS += $(cflags-y)
59CFLAGS_KERNEL += $(cflags-kernel-y)
58AFLAGS += -m64 60AFLAGS += -m64
59 61
60head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o 62head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o