Merge remote-tracking branch 'remotes/ehabkost/tags/numa-pull-request' into staging

Merge remote-tracking branch 'remotes/ehabkost/tags/numa-pull-request' into staging

NUMA queue, 2015-07-22

# gpg: Signature made Wed Jul 22 19:11:04 2015 BST using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <[email protected]>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/numa-pull-request:
  hostmem: Fix qemu_opt_get_bool() crash in host_memory_backend_init()

Signed-off-by: Peter Maydell <[email protected]>