x86_64: prepare shared kernel/head.S

[firefly-linux-kernel-4.4.55.git] / arch / x86_64 / Makefile

diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 2941a915d4efd55b244ba8bbf278ff250c28c606..c556b666151443b9d0cf2d9d47f3332a78ad6356 100644 (file)
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -40,10 +40,6 @@ cflags-y += -m64
 cflags-y += -mno-red-zone
 cflags-y += -mcmodel=kernel
 cflags-y += -pipe
-cflags-kernel-$(CONFIG_REORDER) += -ffunction-sections
-# this makes reading assembly source easier, but produces worse code
-# actually it makes the kernel smaller too.
-cflags-y += -fno-reorder-blocks
 cflags-y += -Wno-sign-compare
 cflags-y += -fno-asynchronous-unwind-tables
 ifneq ($(CONFIG_DEBUG_INFO),y)
@@ -61,8 +57,8 @@ cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
 cflags-y += -maccumulate-outgoing-args
 
 # do binutils support CFI?
-cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
-AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
 
 # is .cfi_signal_frame supported too?
 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
@@ -75,15 +71,16 @@ CFLAGS += $(cflags-y)
 CFLAGS_KERNEL += $(cflags-kernel-y)
 AFLAGS += -m64
 
-head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
+head-y := arch/x86_64/kernel/head_64.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task_64.o
 
 libs-y                                         += arch/x86_64/lib/
 core-y                                 += arch/x86_64/kernel/ \
                                           arch/x86_64/mm/ \
-                                          arch/x86_64/crypto/
+                                          arch/x86_64/crypto/ \
+                                          arch/x86_64/vdso/
 core-$(CONFIG_IA32_EMULATION)          += arch/x86_64/ia32/
 drivers-$(CONFIG_PCI)                  += arch/x86_64/pci/
-drivers-$(CONFIG_OPROFILE)             += arch/x86_64/oprofile/
+drivers-$(CONFIG_OPROFILE)             += arch/i386/oprofile/
 
 boot := arch/x86_64/boot