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-rw-r--r--arch/um/Makefile-i38612
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 2ee8a2858117..aef7c50f8e13 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -29,6 +29,12 @@ endif
CFLAGS += -U__$(SUBARCH)__ -U$(SUBARCH)
-ifneq ($(CONFIG_GPROF),y)
-ARCH_CFLAGS += -DUM_FASTCALL
-endif
+# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
+include $(srctree)/arch/i386/Makefile.cpu
+
+# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
+cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
+
+CFLAGS += $(cflags-y)
+USER_CFLAGS += $(cflags-y)
+