[S390] Wire up signald, timerfd and eventfd syscalls.

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

arch/s390/kernel/compat_wrapper.S

@@ -1690,3 +1690,23 @@ compat_sys_utimensat_wrapper:
 	llgtr	%r4,%r4			# struct compat_timespec *
 	lgfr	%r5,%r5			# int
 	jg	compat_sys_utimensat
+
+	.globl	compat_sys_signalfd_wrapper
+compat_sys_signalfd_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# compat_sigset_t *
+	llgfr	%r4,%r4			# compat_size_t
+	jg	compat_sys_signalfd
+
+	.globl	compat_sys_timerfd_wrapper
+compat_sys_timerfd_wrapper:
+	lgfr	%r2,%r2			# int
+	lgfr	%r3,%r3			# int
+	lgfr	%r4,%r4			# int
+	llgtr	%r5,%r5			# struct compat_itimerspec *
+	jg	compat_sys_timerfd
+
+	.globl	sys_eventfd_wrapper
+sys_eventfd_wrapper:
+	llgfr	%r2,%r2			# unsigned int
+	jg	sys_eventfd

arch/s390/kernel/syscalls.S

@@ -324,3 +324,6 @@ SYSCALL(sys_epoll_pwait,sys_epoll_pwait,compat_sys_epoll_pwait_wrapper)
 SYSCALL(sys_utimes,sys_utimes,compat_sys_utimes_wrapper)
 NI_SYSCALL							/* 314 sys_fallocate */
 SYSCALL(sys_utimensat,sys_utimensat,compat_sys_utimensat_wrapper)	/* 315 */
+SYSCALL(sys_signalfd,sys_signalfd,compat_sys_signalfd_wrapper)
+SYSCALL(sys_timerfd,sys_timerfd,compat_sys_timerfd_wrapper)
+SYSCALL(sys_eventfd,sys_eventfd,sys_eventfd_wrapper)

include/asm-s390/unistd.h

@@ -253,7 +253,10 @@
 #define __NR_utimes		313
 /* Number 314 is reserved for new sys_fallocate */
 #define __NR_utimensat		315
-#define NR_syscalls 316
+#define __NR_signalfd		316
+#define __NR_timerfd		317
+#define __NR_eventfd		318
+#define NR_syscalls 319
 
 /* 
  * There are some system calls that are not present on 64 bit, some