Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* KVM page size fix for PPC
* Support for Linux 4.4's new Hyper-V features
* Eliminate g_slice from areas I maintain
* checkpatch fix
* Peter's cpu_reload_memory_map() cleanups
* More changes to MAINTAINERS
* Require Python 2.6
* chardev creation fixes
* PCI requester id for ARM KVM
* cleanups and doc fixes
* Allow customization of the Hyper-V vendor id

# gpg: Signature made Mon 19 Oct 2015 09:13:10 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream: (49 commits)
  kvm: Allow the Hyper-V vendor ID to be specified
  kvm: Move x86-specific functions into target-i386/kvm.c
  kvm: Pass PCI device pointer to MSI routing functions
  hw/pci: Introduce pci_requester_id()
  kvm: Make KVM_CAP_SIGNAL_MSI globally available
  doc/rcu: fix g_free_rcu() usage example
  qemu-char: cleanup after completed conversion to cd->create
  qemu-char: convert ringbuf backend to data-driven creation
  qemu-char: convert vc backend to data-driven creation
  qemu-char: convert spice backend to data-driven creation
  qemu-char: convert console backend to data-driven creation
  qemu-char: convert stdio backend to data-driven creation
  qemu-char: convert testdev backend to data-driven creation
  qemu-char: convert braille backend to data-driven creation
  qemu-char: convert msmouse backend to data-driven creation
  qemu-char: convert mux backend to data-driven creation
  qemu-char: convert null backend to data-driven creation
  qemu-char: convert pty backend to data-driven creation
  qemu-char: convert UDP backend to data-driven creation
  qemu-char: convert socket backend to data-driven creation
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>