ipc: introduce ksys_ipc()/compat_ksys_ipc() for s390

The sys_ipc() and compat_ksys_ipc() functions are meant to only
be used from the system call table, not called by another function.

Introduce ksys_*() interfaces for this purpose, as we have done
for many other system calls.

Link: https://lore.kernel.org/lkml/20190116131527.2071570-3-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
[heiko.carstens@de.ibm.com: compile fix for !CONFIG_COMPAT]
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index ab9d0e3c6d50..bc934f31ab10 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -366,6 +366,7 @@ COND_SYSCALL(kexec_file_load);
 /* s390 */
 COND_SYSCALL(s390_pci_mmio_read);
 COND_SYSCALL(s390_pci_mmio_write);
+COND_SYSCALL(s390_ipc);
 COND_SYSCALL_COMPAT(s390_ipc);
 
 /* powerpc */