In some cases PCI BARs are registered as RAM via
memory_region_init_ram_ptr() and the vfio_memory_listener will be called
on them too. However DMA will not be performed to/from these regions so
just skip them.
Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
---
hw/vfio/common.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index d115ec9..225cdc7 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -248,7 +248,8 @@ static bool
vfio_listener_skipped_section(MemoryRegionSection *section)
* are never accessed by the CPU and beyond the address width of
* some IOMMU hardware. TODO: VFIO should tell us the IOMMU width.
*/
- section->offset_within_address_space & (1ULL << 63);
+ section->offset_within_address_space & (1ULL << 63) ||
+ memory_region_is_skip_dump(section->mr);
}
static void vfio_iommu_map_notify(Notifier *n, void *data)
--
2.4.0.rc3.8.gfb3e7d5
