[v18] Add migration support for VFIO devices

[PATCH v18 QEMU 12/18] memory: Set DIRTY_MEMORY_MIGRATION when IOMMU is enabled

Kirti Wankhede posted 18 patches 5 years, 6 months ago

Diff against v9 v16 v22 v23 v25 v25 v27 v28 v29
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Maintainers: Paolo Bonzini <pbonzini@redhat.com>, Eric Blake <eblake@redhat.com>, Richard Henderson <rth@twiddle.net>, Eduardo Habkost <ehabkost@redhat.com>, Alex Williamson <alex.williamson@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Juan Quintela <quintela@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Markus Armbruster <armbru@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>

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[PATCH v18 QEMU 12/18] memory: Set DIRTY_MEMORY_MIGRATION when IOMMU is enabled

Posted by Kirti Wankhede 5 years, 6 months ago

Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
---
 memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/memory.c b/memory.c
index 52f1a4cd37f0..5b868fe5eab3 100644
--- a/memory.c
+++ b/memory.c
@@ -1788,7 +1788,7 @@ bool memory_region_is_ram_device(MemoryRegion *mr)
 uint8_t memory_region_get_dirty_log_mask(MemoryRegion *mr)
 {
     uint8_t mask = mr->dirty_log_mask;
-    if (global_dirty_log && mr->ram_block) {
+    if (global_dirty_log && (mr->ram_block || memory_region_is_iommu(mr))) {
         mask |= (1 << DIRTY_MEMORY_MIGRATION);
     }
     return mask;
-- 
2.7.0