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[RFC,v1,6/7] vfio: abort if an emulated iommu is used

Message ID 1349962023-560-7-git-send-email-avi@redhat.com
State New
Headers show

Commit Message

Avi Kivity Oct. 11, 2012, 1:27 p.m. UTC
vfio doesn't support guest iommus yet, indicate it to the user
by gently depositing a core on their disk.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/vfio_pci.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/hw/vfio_pci.c b/hw/vfio_pci.c
index e9399a1..f935d00 100644
--- a/hw/vfio_pci.c
+++ b/hw/vfio_pci.c
@@ -817,6 +817,8 @@  static void vfio_listener_region_add(MemoryListener *listener,
     void *vaddr;
     int ret;
 
+    assert(!memory_region_is_iommu(section.mr));
+
     if (vfio_listener_skipped_section(section)) {
         DPRINTF("vfio: SKIPPING region_add %"TARGET_PRIxPHYS" - %"PRIx64"\n",
                 section->offset_within_address_space,