On Thu, Jan 17, 2019 at 05:29:55PM +0100, Arnd Bergmann wrote: > On Thu, Jan 17, 2019 at 2:29 PM Heiko Carstens > > SYSCALL_DEFINE1(s390_personality, unsigned int, personality) > > { > > diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c > > index ab9d0e3c6d50..ad016a7db0ea 100644 > > --- a/kernel/sys_ni.c > > +++ b/kernel/sys_ni.c > > @@ -366,7 +366,7 @@ COND_SYSCALL(kexec_file_load); > > /* s390 */ > > COND_SYSCALL(s390_pci_mmio_read); > > COND_SYSCALL(s390_pci_mmio_write); > > -COND_SYSCALL_COMPAT(s390_ipc); > > +COND_SYSCALL(s390_ipc); > > > > /* powerpc */ > > COND_SYSCALL(rtas); > > I think you need to keep the > > COND_SYSCALL_COMPAT(s390_ipc); > > here, otherwise it still fails with CONFIG_SYSV_IPC=n, CONFIG_COMPAT=y, right? Yes, you're right.