Changeset 98045 in vbox for trunk/src/VBox/VMM/include/IOMInternal.h

Timestamp:

Jan 10, 2023 9:31:53 PM (2 years ago)

Author:

vboxsync

Message:

IOM: Updates. bugref:10315

File:

• trunk/src/VBox/VMM/include/IOMInternal.h (modified) (2 diffs)

trunk/src/VBox/VMM/include/IOMInternal.h

@@ -382 +382 @@
      * @note pretty static as only used by APIC on AMD-V.  */
     uint16_t                            idxMmioLastPhysHandler;
-    uint16_t                            au16Padding[3];
+    uint16_t                            au16Padding[2];
     /** @} */
+
+    /** MMIO recursion guard (see @bugref{10315}). */
+    uint8_t                             cMmioRecursionDepth;
+    uint8_t                             bPadding;
+    /** The MMIO recursion stack (ring-3 version). */
+    PPDMDEVINSR3                        apMmioRecursionStack[2];
 } IOMCPU;
 /** Pointer to IOM per virtual CPU instance data. */
@@ -481 +487 @@
     STAMCOUNTER                     StatMmioStaleMappings;
     STAMCOUNTER                     StatMmioDevLockContentionR0;
+    STAMCOUNTER                     StatMmioTooDeepRecursion;
     /** @} */
 } IOM;