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authorHeiko Carstens <heiko.carstens@de.ibm.com>2015-09-09 09:39:58 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-09-17 13:43:43 +0200
commit022435713c0391020b55706c5b80fa1be44ba321 (patch)
tree2e2cd1dffba387fbba279e321fcf5dc16fbe0cab /arch/s390
parent61cc37906b45534fcc2bea03c17e135ec010b624 (diff)
downloadlinux-022435713c0391020b55706c5b80fa1be44ba321.tar.gz
s390: wire up userfaultfd system call
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/uapi/asm/unistd.h3
-rw-r--r--arch/s390/kernel/syscalls.S1
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index 59d2bb4e2d0c..1f4acec63d05 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 f3f4a137aef6..0c91f37f8065 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 */