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| author | Alexey Ishchuk <aishchuk@linux.vnet.ibm.com> | 2014-11-14 14:27:58 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-11-19 09:46:43 +0100 |
| commit | 4eafad7febd482092b331ea72c37274d745956be (patch) | |
| tree | 81df1dd45ee04b56180da2214fae5a3bfe66ea2a /kernel/sys_ni.c | |
| parent | 86c558e8d3b774580faf8250092388d52cfde63e (diff) | |
| download | linux-rt-4eafad7febd482092b331ea72c37274d745956be.tar.gz | |
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.c | 2 |
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); |