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memory: Set DIRTY_MEMORY_MIGRATION when IOMMU is enabled 

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>
Reviewed-by: Yan Zhao <yan.y.zhao@intel.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Kirti Wankhede 2020-10-26 15:06:20 +05:30 committed by Alex Williamson
parent 3336d21710
commit 74ee653799
1 changed files with 1 additions and 1 deletions
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2
softmmu/memory.c
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@ -1806,7 +1806,7 @@ 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;