From 4eafad7febd482092b331ea72c37274d745956be Mon Sep 17 00:00:00 2001
From: Alexey Ishchuk <aishchuk@linux.vnet.ibm.com>
Date: Fri, 14 Nov 2014 14:27:58 +0100
Subject: [PATCH] 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>
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