Patchwork [v2,6/7] vfio: abort if an emulated iommu is used

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Submitter Avi Kivity
Date Oct. 30, 2012, 11:47 a.m.
Message ID <1351597670-23031-7-git-send-email-avi@redhat.com>
Download mbox | patch
Permalink /patch/195461/
State New
Headers show

Comments

Avi Kivity - Oct. 30, 2012, 11:47 a.m.
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(+)

Patch

diff --git a/hw/vfio_pci.c b/hw/vfio_pci.c
index 0473ae8..bd7a075 100644
--- a/hw/vfio_pci.c
+++ b/hw/vfio_pci.c
@@ -943,6 +943,8 @@  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 %"HWADDR_PRIx" - %"PRIx64"\n",
                 section->offset_within_address_space,