Merge remote-tracking branch 'bonzini/iommu-for-anthony' into staging

# By Paolo Bonzini (12) and others
# Via Paolo Bonzini
* bonzini/iommu-for-anthony: (25 commits)
  memory: render_memory_region: factor out fr constant setters
  memory: as_update_topology_pass: Improve comments
  memory: Fix comment typo
  memory: give name to every AddressSpace
  dma: eliminate DMAContext
  spapr_vio: take care of creating our own AddressSpace/DMAContext
  pci: use memory core for iommu support
  dma: eliminate old-style IOMMU support
  spapr: use memory core for iommu support
  spapr: make IOMMU translation go through IOMMUTLBEntry
  spapr: convert TCE API to use an opaque type
  vfio: abort if an emulated iommu is used
  memory: Add iommu map/unmap notifiers
  memory: iommu support
  memory: make section size a 128-bit integer
  exec: reorganize mem_add to match Int128 version
  Revert "s390x: reduce TARGET_PHYS_ADDR_SPACE_BITS to 62"
  Revert "memory: limit sections in the radix tree to the actual address space size"
  exec: return MemoryRegion from address_space_translate
  exec: Implement subpage_read/write via address_space_rw
  ...

Message-id: 1371739493-10187-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index d669756..a27051c 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -197,7 +197,7 @@ static void virtio_balloon_handle_output(VirtIODevice *vdev, VirtQueue *vq)
 
             /* FIXME: remove get_system_memory(), but how? */
             section = memory_region_find(get_system_memory(), pa, 1);
-            if (!section.size || !memory_region_is_ram(section.mr))
+            if (!int128_nz(section.size) || !memory_region_is_ram(section.mr))
                 continue;
 
             /* Using memory_region_get_ram_ptr is bending the rules a bit, but