----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@xxxxxxxxxxxx wrote: > [ Untested on this architecture. To try it out: fetch linux-next/akpm, > apply this patch, build/run a membarrier-enabled kernel, and do make > kselftest. ] Hi, sys_membarrier has been merged into Linux 4.3-rc1. It can therefore be tested on top of Linus' master by applying this patch. Thanks, Mathieu > > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > CC: linux-api@xxxxxxxxxxxxxxx > CC: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> > CC: Heiko Carstens <heiko.carstens@xxxxxxxxxx> > CC: linux-s390@xxxxxxxxxxxxxxx > --- > arch/s390/include/uapi/asm/unistd.h | 3 ++- > arch/s390/kernel/syscalls.S | 1 + > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/arch/s390/include/uapi/asm/unistd.h > b/arch/s390/include/uapi/asm/unistd.h > index 59d2bb4..2f1de70 100644 > --- a/arch/s390/include/uapi/asm/unistd.h > +++ b/arch/s390/include/uapi/asm/unistd.h > @@ -290,7 +290,8 @@ > #define __NR_s390_pci_mmio_write 352 > #define __NR_s390_pci_mmio_read 353 > #define __NR_execveat 354 > -#define NR_syscalls 355 > +#define __NR_membarrier 355 > +#define NR_syscalls 356 > > /* > * There are some system calls that are not present on 64 bit, some > diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S > index f3f4a13..914c098 100644 > --- a/arch/s390/kernel/syscalls.S > +++ b/arch/s390/kernel/syscalls.S > @@ -363,3 +363,4 @@ SYSCALL(sys_bpf,compat_sys_bpf) > SYSCALL(sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write) > SYSCALL(sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read) > SYSCALL(sys_execveat,compat_sys_execveat) > +SYSCALL(sys_membarrier,sys_membarrier) > -- > 1.9.1 -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html