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-rw-r--r--include/exec/memory.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 2ddc3c5393..cfdda3cdfd 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -126,10 +126,6 @@ struct MemoryRegionOps {
          bool unaligned;
     } impl;
 
-    /* If .read and .write are not present, old_portio may be used for
-     * backwards compatibility with old portio registration
-     */
-    const MemoryRegionPortio *old_portio;
     /* If .read and .write are not present, old_mmio may be used for
      * backwards compatibility with old mmio registration
      */
@@ -185,6 +181,7 @@ struct MemoryRegionPortio {
     unsigned size;
     IOPortReadFunc *read;
     IOPortWriteFunc *write;
+    uint32_t base; /* private field */
 };
 
 #define PORTIO_END_OF_LIST() { }