Merge branch 'upstream-merge'

Merge branch 'upstream-merge'

* upstream-merge: (47 commits)
  w32: Fix broken build
  Update version for 1.2.0-rc2
  scsi-disk: Fix typo (uint32 -> uint32_t)
  msix: make [un]use vectors on reset/load optional
  kvm: get/set PV EOI MSR
  linux-headers: update to 3.6-rc3
  target-i386: disable pv eoi to fix migration across QEMU versions
  reset PMBA and PMREGMISC PIIX4 registers.
  qemu-ga: Fix null pointer passed to unlink in failure branch
  memory: Fix copy&paste mistake in memory_region_iorange_write
  ivshmem: remove redundant ioeventfd configuration
  hw/arm_gic.c: Define .class_size in arm_gic_info TypeInfo
  tcg/mips: fix broken CONFIG_TCG_PASS_AREG0 code
  Update OpenBIOS PPC image
  target-ppc: fix altivec instructions
  audio/winwave: previous audio buffer should be flushed
  iscsi: Set number of blocks to 0 for blank CDROM devices
  scsi: more fixes to properties for passthrough devices
  esp: support 24-bit DMA
  megasas: Add 'hba_serial' property
  ...

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