[S390] Wire up compat_sys_epoll_pwait.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/kernel/compat_wrapper.S

@@ -1665,3 +1665,14 @@ sys_getcpu_wrapper:
 	llgtr	%r3,%r3			# unsigned *
 	llgtr	%r4,%r4			# struct getcpu_cache *
 	jg	sys_getcpu
+
+	.globl	compat_sys_epoll_pwait_wrapper
+compat_sys_epoll_pwait_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# struct compat_epoll_event *
+	lgfr	%r4,%r4			# int
+	lgfr	%r5,%r5			# int
+	llgtr	%r6,%r6			# compat_sigset_t *
+	llgf	%r0,164(%r15)		# compat_size_t
+	stg	%r0,160(%r15)
+	jg	compat_sys_epoll_pwait

arch/s390/kernel/syscalls.S

@@ -320,4 +320,4 @@ SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
 SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper)
 NI_SYSCALL							/* 310 sys_move_pages */
 SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper)
-SYSCALL(sys_epoll_pwait,sys_epoll_pwait,sys_ni_syscall)
+SYSCALL(sys_epoll_pwait,sys_epoll_pwait,compat_sys_epoll_pwait_wrapper)