diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S
index 7f951c8..fc6ba17 100644
--- a/arch/x86/lib/putuser.S
+++ b/arch/x86/lib/putuser.S
@@ -15,6 +15,7 @@
 #include <asm/thread_info.h>
 #include <asm/errno.h>
 #include <asm/asm.h>
+#include <asm/smap.h>
 
 
 /*
@@ -31,7 +32,8 @@
 
 #define ENTER	CFI_STARTPROC ; \
 		GET_THREAD_INFO(%_ASM_BX)
-#define EXIT	ret ; \
+#define EXIT	ASM_CLAC ;	\
+		ret ;		\
 		CFI_ENDPROC
 
 .text
@@ -39,6 +41,7 @@
 	ENTER
 	cmp TI_addr_limit(%_ASM_BX),%_ASM_CX
 	jae bad_put_user
+	ASM_STAC
 1:	movb %al,(%_ASM_CX)
 	xor %eax,%eax
 	EXIT
@@ -50,6 +53,7 @@
 	sub $1,%_ASM_BX
 	cmp %_ASM_BX,%_ASM_CX
 	jae bad_put_user
+	ASM_STAC
 2:	movw %ax,(%_ASM_CX)
 	xor %eax,%eax
 	EXIT
@@ -61,6 +65,7 @@
 	sub $3,%_ASM_BX
 	cmp %_ASM_BX,%_ASM_CX
 	jae bad_put_user
+	ASM_STAC
 3:	movl %eax,(%_ASM_CX)
 	xor %eax,%eax
 	EXIT
@@ -72,6 +77,7 @@
 	sub $7,%_ASM_BX
 	cmp %_ASM_BX,%_ASM_CX
 	jae bad_put_user
+	ASM_STAC
 4:	mov %_ASM_AX,(%_ASM_CX)
 #ifdef CONFIG_X86_32
 5:	movl %edx,4(%_ASM_CX)