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3 Commits

Author SHA1 Message Date
Frank Blaschka 5b324bbafc s390x/pci: check for invalid function handle 
broken guest may provide 0 (invalid) function handle to zpci
instructions. Since we use function handle 0 to indicate an empty
slot in the PHB we have to add an additional check to spot this
kind of error.

Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
 2015-02-03 13:42:40 +01:00
Markus Armbruster b7022d9ac6 s390: Plug memory leak on s390_pci_generate_event() error path 
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
 2015-02-03 13:42:40 +01:00
Frank Blaschka 8cba80c3a0 s390: Add PCI bus support 
This patch implements a pci bus for s390x together with infrastructure
to generate and handle hotplug events, to configure/unconfigure via
sclp instruction, to do iommu translations and provide s390 support for
MSI/MSI-X notification processing.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
 2015-01-12 10:14:04 +01:00