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-rw-r--r--include/hw/cxl/cxl_device.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h
index 7e0a66906f..42ae5b7479 100644
--- a/include/hw/cxl/cxl_device.h
+++ b/include/hw/cxl/cxl_device.h
@@ -540,6 +540,7 @@ typedef struct CXLDCRegion {
     uint8_t flags;
     unsigned long *blk_bitmap;
     uint64_t supported_blk_size_bitmask;
+    QemuMutex bitmap_lock;
     /* Following bools make up dsmas flags, as defined in the CDAT */
     bool nonvolatile;
     bool sharable;