Changeset 20796 in vbox

Timestamp:

Jun 22, 2009 6:57:52 PM (15 years ago)

Author:

vboxsync

Message:

PGMMap.cpp: Take the PGM lock in a few place to avoid assertions during VM creation.

File:

• trunk/src/VBox/VMM/PGMMap.cpp (modified) (5 diffs)

trunk/src/VBox/VMM/PGMMap.cpp

@@ -677 +677 @@
     PVMCPU pVCpu = &pVM->aCpus[0];
 
+    pgmLock(pVM);                           /* to avoid assertions */
     rc = pgmMapDeactivateCR3(pVM, pVCpu->pgm.s.pShwPageCR3R3);
+    pgmUnlock(pVM);
     AssertRCReturn(rc, rc);
 
@@ -944 +946 @@
     unsigned i     = pMap->cPTs;
     PVMCPU   pVCpu = VMMGetCpu(pVM);
+    pgmLock(pVM);                           /* to avoid assertions */
 
     pgmMapClearShadowPDEs(pVM, pVCpu->pgm.s.CTX_SUFF(pShwPageCR3), pMap, iOldPDE, false /*fDeactivateCR3*/);
@@ -966 +969 @@
         pVM->pgm.s.apInterPaePDs[iPD]->a[iPDE].u = 0;
     }
-}
+
+    pgmUnlock(pVM);
+}
+
 
 /**
@@ -979 +985 @@
     PPGM   pPGM  = &pVM->pgm.s;
     PVMCPU pVCpu = VMMGetCpu(pVM);
+    pgmLock(pVM);                           /* to avoid assertions */
 
     Assert(!pgmMapAreMappingsEnabled(&pVM->pgm.s) || PGMGetGuestMode(pVCpu) <= PGMMODE_PAE_NX);
@@ -1014 +1021 @@
         pPGM->apInterPaePDs[iPD]->a[iPDE] = PdePae1;
     }
-}
+
+    pgmUnlock(pVM);
+}
+
 
 /**