also do unshare and pivot_root on s390x


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14499 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_syswrap/syswrap-s390x-linux.c b/coregrind/m_syswrap/syswrap-s390x-linux.c
index 073972e..1152b3b 100644
--- a/coregrind/m_syswrap/syswrap-s390x-linux.c
+++ b/coregrind/m_syswrap/syswrap-s390x-linux.c
@@ -892,7 +892,7 @@
 
    LINX_(__NR_setfsuid, sys_setfsuid),                                // 215
    LINX_(__NR_setfsgid, sys_setfsgid),                                // 216
-// ?????(__NR_pivot_root, ),
+   LINX_(__NR_pivot_root, sys_pivot_root),                            // 217
    GENXY(__NR_mincore, sys_mincore),                                  // 218
    GENX_(__NR_madvise,  sys_madvise),                                 // 219
 
@@ -995,7 +995,7 @@
    LINX_(__NR_faccessat,  sys_faccessat),                             // 300
    LINX_(__NR_pselect6, sys_pselect6),                                // 301
    LINXY(__NR_ppoll, sys_ppoll),                                      // 302
-// ?????(__NR_unshare, ),
+   LINX_(__NR_unshare, sys_unshare),                                  // 303
    LINX_(__NR_set_robust_list,  sys_set_robust_list),                 // 304
 
    LINXY(__NR_get_robust_list,  sys_get_robust_list),                 // 305