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* s390/pci: fix possible information leak in mmio syscallSebastian Ott2015-02-26
| | | | | | | | | Make sure that even in error situations we do not use copy_to_user on uninitialized kernel memory. Cc: stable@vger.kernel.org # 3.19+ Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* s390/pci: add missing address space annotationHeiko Carstens2015-01-08
| | | | Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
* s390/kernel: add system calls for PCI memory accessAlexey Ishchuk2014-11-19
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>