Merge commit '1d31f66bbc886af56d2def349012a358dc3ada06' into upstream-merge

Merge commit '1d31f66bbc886af56d2def349012a358dc3ada06' into upstream-merge

* commit '1d31f66bbc886af56d2def349012a358dc3ada06': (22 commits)
  kvm: Move kvm_allows_irq0_override() to target-i386, fix return type
  kvm: Rename kvm_irqchip_set_irq() to kvm_set_irq()
  kvm: Decouple 'async interrupt delivery' from 'kernel irqchip'
  configure: Don't implicitly hardcode list of KVM architectures
  kvm: Check if smp_cpus exceeds max cpus supported by kvm
  usb-storage: fix SYNCHRONIZE_CACHE
  usb-storage: improve debug logging
  slirp: fix build on mingw32
  qemu-img: use QemuOpts instead of QEMUOptionParameter in resize function
  qemu-iotests: Be more flexible with image creation options
  qemu-iotests: add 039 qcow2 lazy refcounts test
  qemu-io: add "abort" command to simulate program crash
  qcow2: implement lazy refcounts
  qemu-iotests: ignore qemu-img create lazy_refcounts output
  docs: add lazy refcounts bit to qcow2 specification
  qcow2: introduce dirty bit
  docs: add dirty bit to qcow2 specification
  qemu-iotests: add qed.py image manipulation utility
  qapi: generalize documentation of streaming commands
  ide scsi: Mess with geometry only for hard disk devices
  ...

Conflicts:
	kvm-all.c

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>