2 files changed, 12 insertions, 1 deletions

diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 97901296894e..4f7a2e41b8a5 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/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
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index a52c44455bf0..a35c3d637218 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/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)