Revert "s390x/ccw: create s390 phb conditionally"
This reverts commit d32bd032. Turns out that old QEMUs always created a pci host bridge and for many CPU models the migration from old QEMUs to new QEMUs will fail with qemu-system-s390x: Unknown savevm section or instance 'PCIBUS' 0 qemu-system-s390x: load of migration failed: Invalid argument As a quick fix we will revert the commit and always create the pci host bridge. Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> [fixed revert to keep the comment fixup, added a comment in the code] Cc: Cornelia Huck <cohuck@redhat.com> Cc: David Hildenbrand <david@redhat.com> Message-Id: <20170928131831.81393-1-borntraeger@de.ibm.com> Reviewed-by: NDavid Hildenbrand <david@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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