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[Qemu-devel] [PATCH 22/30] vfio: abort if an emulated iommu is used

From: Paolo Bonzini
Subject: [Qemu-devel] [PATCH 22/30] vfio: abort if an emulated iommu is used
Date: Tue, 21 May 2013 12:57:23 +0200

From: Avi Kivity <address@hidden>

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 <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
 hw/misc/vfio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 693a9ff..178dd11 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -1939,6 +1939,8 @@ static void vfio_listener_region_add(MemoryListener 
     void *vaddr;
     int ret;
+    assert(!memory_region_is_iommu(section->mr));
     if (vfio_listener_skipped_section(section)) {
         DPRINTF("SKIPPING region_add %"HWADDR_PRIx" - %"PRIx64"\n",

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