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-rw-r--r--arch/s390/kernel/compat_wrapper.S5
-rw-r--r--arch/s390/kernel/syscalls.S1
-rw-r--r--include/asm-s390/unistd.h3
3 files changed, 8 insertions, 1 deletions
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 83b33fe1923..38a6ef5ec62 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1602,3 +1602,8 @@ compat_sys_ppoll_wrapper:
llgtr %r5,%r5 # const sigset_t *
llgfr %r6,%r6 # size_t
jg compat_sys_ppoll
+
+ .globl sys_unshare_wrapper
+sys_unshare_wrapper:
+ llgfr %r2,%r2 # unsigned long
+ jg sys_unshare
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 3280345efac..e86a4debb16 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -311,3 +311,4 @@ SYSCALL(sys_fchmodat,sys_fchmodat,sys_fchmodat_wrapper)
SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper) /* 300 */
SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)
SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)
+SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 29a9f357eb9..0a2f6664c4c 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -295,8 +295,9 @@
#define __NR_faccessat 300
#define __NR_pselect6 301
#define __NR_ppoll 302
+#define __NR_unshare 303
-#define NR_syscalls 303
+#define NR_syscalls 304
/*
* There are some system calls that are not present on 64 bit, some