From 022435713c0391020b55706c5b80fa1be44ba321 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 9 Sep 2015 09:39:58 +0200 Subject: [PATCH] s390: wire up userfaultfd system call Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/include/uapi/asm/unistd.h | 3 ++- arch/s390/kernel/syscalls.S | 1 + tools/testing/selftests/vm/userfaultfd.c | 2 ++ 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index 59d2bb4..1f4acec 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_userfaultfd 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..0c91f37 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_userfaultfd,sys_userfaultfd) /* 355 */ diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 2c7cca6..7c1d958 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -72,6 +72,8 @@ #define __NR_userfaultfd 374 #elif defined(__powewrpc__) #define __NR_userfaultfd 364 +#elif defined(__s390__) +#define __NR_userfaultfd 355 #else #error "missing __NR_userfaultfd definition" #endif -- 2.7.4