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[14/25] vfio: abort if an emulated iommu is used

Message ID 1371739493-10187-15-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini June 20, 2013, 2:44 p.m. UTC 
From: Avi Kivity <avi.kivity@gmail.com>

vfio doesn't support guest iommus yet, indicate it to the user
by gently depositing a core on their disk.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi.kivity@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/misc/vfio.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index c89676b..52fb036 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -1939,6 +1939,8 @@  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("SKIPPING region_add %"HWADDR_PRIx" - %"PRIx64"\n",
                 section->offset_within_address_space,