s390: wire up execveat syscall

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

arch/s390/include/uapi/asm/unistd.h

@@ -289,7 +289,8 @@
 #define __NR_bpf		351
 #define __NR_s390_pci_mmio_write	352
 #define __NR_s390_pci_mmio_read		353
-#define NR_syscalls 354
+#define __NR_execveat		354
+#define NR_syscalls 355
 
 /* 
  * There are some system calls that are not present on 64 bit, some

arch/s390/kernel/syscalls.S

@@ -362,3 +362,4 @@ SYSCALL(sys_memfd_create,sys_memfd_create,compat_sys_memfd_create) /* 350 */
 SYSCALL(sys_bpf,sys_bpf,compat_sys_bpf)
 SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write)
 SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read)
+SYSCALL(sys_execveat,sys_execveat,compat_sys_execveat)