s390/vdso: Use macros for annotation of asm functions

Use the macros SYM_FUNC_START() and SYM_FUNC_END() to annotate the
functions in assembly.
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

arch/s390/kernel/vdso64/vdso_user_wrapper.S

@@ -13,10 +13,7 @@
  * for details.
  */
 .macro vdso_func func
-	.globl __kernel_\func
-	.type  __kernel_\func,@function
-	__ALIGN
-__kernel_\func:
+SYM_FUNC_START(__kernel_\func)
 	CFI_STARTPROC
 	aghi	%r15,-STACK_FRAME_VDSO_OVERHEAD
 	CFI_DEF_CFA_OFFSET (STACK_FRAME_USER_OVERHEAD + STACK_FRAME_VDSO_OVERHEAD)
@@ -32,7 +29,7 @@ __kernel_\func:
 	CFI_RESTORE 15
 	br	%r14
 	CFI_ENDPROC
-	.size	__kernel_\func,.-__kernel_\func
+SYM_FUNC_END(__kernel_\func)
 .endm
 
 vdso_func gettimeofday
@@ -41,16 +38,13 @@ vdso_func clock_gettime
 vdso_func getcpu
 
 .macro vdso_syscall func,syscall
-	.globl __kernel_\func
-	.type  __kernel_\func,@function
-	__ALIGN
-__kernel_\func:
+SYM_FUNC_START(__kernel_\func)
 	CFI_STARTPROC
 	svc	\syscall
 	/* Make sure we notice when a syscall returns, which shouldn't happen */
 	.word	0
 	CFI_ENDPROC
-	.size	__kernel_\func,.-__kernel_\func
+SYM_FUNC_END(__kernel_\func)
 .endm
 
 vdso_syscall restart_syscall,__NR_restart_syscall