[S390] Wire up sys_getcpu system call.

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

3 files changed, 12 insertions, 1 deletions

diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 4aabeeaa7cf7..cb0efae6802f 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1658,3 +1658,10 @@ compat_sys_vmsplice_wrapper:
         llgfr   %r4,%r4                 # unsigned int
         llgfr   %r5,%r5                 # unsigned int
         jg      compat_sys_vmsplice
+
+        .globl  sys_getcpu_wrapper
+sys_getcpu_wrapper:
+        llgtr   %r2,%r2                 # unsigned *
+        llgtr   %r3,%r3                 # unsigned *
+        llgtr   %r4,%r4                 # struct getcpu_cache *
+        jg      sys_tee
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 93be1d56c036..e59baec56520 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -318,3 +318,5 @@ SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
 SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
 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)
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 0cccfd83c457..a19238cbcffa 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -247,8 +247,10 @@
 #define __NR_sync_file_range    307
 #define __NR_tee                308
 #define __NR_vmsplice           309
+/* Number 310 is reserved for new sys_move_pages */
+#define __NR_getcpu             311
 
-#define NR_syscalls 310
+#define NR_syscalls 312
 
 /* 
  * There are some system calls that are not present on 64 bit, some