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| author | Alexey Ishchuk | 2014-11-14 14:27:58 +0100 |
|---|---|---|
| committer | Martin Schwidefsky | 2014-11-19 09:46:43 +0100 |
| commit | 4eafad7febd482092b331ea72c37274d745956be (patch) | |
| tree | 81df1dd45ee04b56180da2214fae5a3bfe66ea2a /arch/s390/kernel/syscalls.S | |
| parent | s390: fix ptrace of user area if the inferior uses vector registers (diff) | |
| download | kernel-qcow2-linux-4eafad7febd482092b331ea72c37274d745956be.tar.gz kernel-qcow2-linux-4eafad7febd482092b331ea72c37274d745956be.tar.xz kernel-qcow2-linux-4eafad7febd482092b331ea72c37274d745956be.zip | |
s390/kernel: add system calls for PCI memory access
Add the new __NR_s390_pci_mmio_write and __NR_s390_pci_mmio_read
system calls to allow user space applications to access device PCI I/O
memory pages on s390x platform.
[ Martin Schwidefsky: some code beautification ]
Signed-off-by: Alexey Ishchuk <aishchuk@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/syscalls.S')
| -rw-r--r-- | arch/s390/kernel/syscalls.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 9f7087fd58de..a2987243bc76 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -360,3 +360,5 @@ SYSCALL(sys_seccomp,sys_seccomp,compat_sys_seccomp) SYSCALL(sys_getrandom,sys_getrandom,compat_sys_getrandom) SYSCALL(sys_memfd_create,sys_memfd_create,compat_sys_memfd_create) /* 350 */ SYSCALL(sys_bpf,sys_bpf,compat_sys_bpf) +SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write) +SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read) |