x86_64: Add vDSO for x86-64 with gettimeofday/clock_gettime/getcpu

[linux-2.6] / arch / x86_64 / Makefile

diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 6e38d4daeed7f6786c7e3067bd5329f0da2cb5ef..128561d3e876f13b4d84b70dbdc0d5a8b6039d15 100644 (file)
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -30,20 +30,18 @@ cflags-y    :=
 cflags-kernel-y        :=
 cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
 cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
+# gcc doesn't support -march=core2 yet as of gcc 4.3, but I hope it
+# will eventually. Use -mtune=generic as fallback
+cflags-$(CONFIG_MCORE2) += \
+       $(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
 cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
 
 cflags-y += -m64
 cflags-y += -mno-red-zone
 cflags-y += -mcmodel=kernel
 cflags-y += -pipe
-cflags-kernel-$(CONFIG_REORDER) += -ffunction-sections
-# this makes reading assembly source easier, but produces worse code
-# actually it makes the kernel smaller too.
-cflags-y += -fno-reorder-blocks
 cflags-y += -Wno-sign-compare
-ifneq ($(CONFIG_UNWIND_INFO),y)
 cflags-y += -fno-asynchronous-unwind-tables
-endif
 ifneq ($(CONFIG_DEBUG_INFO),y)
 # -fweb shrinks the kernel a bit, but the difference is very small
 # it also messes up debugging, so don't use it for now.
@@ -78,7 +76,8 @@ head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kern
 libs-y                                         += arch/x86_64/lib/
 core-y                                 += arch/x86_64/kernel/ \
                                           arch/x86_64/mm/ \
-                                          arch/x86_64/crypto/
+                                          arch/x86_64/crypto/ \
+                                          arch/x86_64/vdso/
 core-$(CONFIG_IA32_EMULATION)          += arch/x86_64/ia32/
 drivers-$(CONFIG_PCI)                  += arch/x86_64/pci/
 drivers-$(CONFIG_OPROFILE)             += arch/x86_64/oprofile/