2 files changed, 8 insertions, 4 deletions

diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 4a0b375101eb..aef7c50f8e13 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -29,10 +29,6 @@ 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
 
diff --git a/include/asm-um/linkage.h b/include/asm-um/linkage.h
index 7dfce37adc8b..e3d62dcbd356 100644
--- a/include/asm-um/linkage.h
+++ b/include/asm-um/linkage.h
@@ -3,4 +3,12 @@
 
 #include "asm/arch/linkage.h"
 
+#include <linux/config.h>
+
+/* <linux/linkage.h> will pick sane defaults */
+#ifdef CONFIG_GPROF
+#undef FASTCALL
+#undef fastcall
+#endif
+
 #endif