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[v26,10/17] memory: Set DIRTY_MEMORY_MIGRATION when IOMMU is enabled

Message ID 1600817059-26721-11-git-send-email-kwankhede@nvidia.com (mailing list archive)
State New, archived
Headers show
Series Add migration support for VFIO devices | expand

Commit Message

Kirti Wankhede Sept. 22, 2020, 11:24 p.m. UTC 
mr->ram_block is NULL when mr->is_iommu is true, then fr.dirty_log_mask
wasn't set correctly due to which memory listener's log_sync doesn't
get called.
This patch returns log_mask with DIRTY_MEMORY_MIGRATION set when
IOMMU is enabled.

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

diff --git a/softmmu/memory.c b/softmmu/memory.c
index d030eb6f7cea..0c1460394ace 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -1777,7 +1777,7 @@  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;