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authorAlexey Ishchuk <aishchuk@linux.vnet.ibm.com>2014-11-14 14:27:58 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2014-11-19 09:46:43 +0100
commit4eafad7febd482092b331ea72c37274d745956be (patch)
tree81df1dd45ee04b56180da2214fae5a3bfe66ea2a /kernel/sys_ni.c
parent86c558e8d3b774580faf8250092388d52cfde63e (diff)
downloadlinux-4eafad7febd482092b331ea72c37274d745956be.tar.bz2
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 'kernel/sys_ni.c')
-rw-r--r--kernel/sys_ni.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 02aa4185b17e..61eea02b53f5 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -169,6 +169,8 @@ cond_syscall(ppc_rtas);
cond_syscall(sys_spu_run);
cond_syscall(sys_spu_create);
cond_syscall(sys_subpage_prot);
+cond_syscall(sys_s390_pci_mmio_read);
+cond_syscall(sys_s390_pci_mmio_write);
/* mmu depending weak syscall entries */
cond_syscall(sys_mprotect);