Changeset 94319 in vbox for trunk/src/VBox/VMM

Timestamp:

Mar 21, 2022 11:40:13 PM (3 years ago)

Author:

vboxsync

Message:

VMM/PDMBlockCache: Added missing sempahore release call to a infrequent pdmBlkCacheEvictPagesFrom code path handling a race. ticketref:20875

File:

• trunk/src/VBox/VMM/VMMR3/PDMBlkCache.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/PDMBlkCache.cpp

@@ -461 +461 @@
                     RTMemFree(pCurr);
                 }
+            }
+            else
+            {
+                LogFlow(("Someone raced us, entry %#p (%u bytes) cannot be evicted any more (fFlags=%#x cRefs=%#x)\n",
+                         pCurr, pCurr->cbData, pCurr->fFlags, pCurr->cRefs));
+                RTSemRWReleaseWrite(pBlkCache->SemRWEntries);
             }