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kvm: Synchronize the backup bitmap in the last stage

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In the last stage of live migration or memory slot removal, the
backup bitmap needs to be synchronized when it has been enabled.

Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Zhenyu Zhang <zhenyzha@redhat.com>
Message-Id: <20230509022122.20888-3-gshan@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Gavin Shan 2023-05-09 12:21:20 +10:00 • committed by Paolo Bonzini
parent 1e493be587
commit b20cc77692
2 changed files with 12 additions and 0 deletions
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include/sysemu/kvm_int.h
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@ -115,6 +115,7 @@ struct KVMState
} *as;
uint64_t kvm_dirty_ring_bytes; /* Size of the per-vcpu dirty ring */
uint32_t kvm_dirty_ring_size; /* Number of dirty GFNs per ring */
bool kvm_dirty_ring_with_bitmap;
struct KVMDirtyRingReaper reaper;
NotifyVmexitOption notify_vmexit;
uint32_t notify_window;