Merge commit '757506d282c3c579368055b1bf50fa4056dbe5bc' into upstream-merge

Merge commit '757506d282c3c579368055b1bf50fa4056dbe5bc' into upstream-merge

* commit '757506d282c3c579368055b1bf50fa4056dbe5bc': (24 commits)
  Fix gcc 3 warning: comparison is always true due to limited range of data type
  Fix gcc 3 warning about uninitialized variable
  Sparc32: port Slavio misc devices to VMState design
  Sparc32: port ECC memory controller to VMState design
  Sparc32: port IOMMU to VMState design
  Sparc32: port DMA controller to VMState design
  Sparc32: port TCX to VMState design
  Sparc32: port interrupt controller to VMState design
  Update OpenBIOS images to r569
  Suppress kraxelisms
  Fix Sparc64 breakage: add dummy ISA irqs
  Fix merge of 59f2a78793b6d17634f39646d604e84af51e0919
  Don't compile aio code if CONFIG_LINUX_AIO is undefined
  Fix sb16 breakage due to unassigned s->irq
  Fix formatting
  linux-user: Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets
  linux-user: zero fstat buffer to initialize nsec fields
  linux-user: fadvise64 implementation
  linux-user: enable getdents for > 32-bit systems
  linux-user: fcntl fixes for LTP
  ...

Signed-off-by: Avi Kivity <avi@redhat.com>