Changeset 20671 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

Jun 17, 2009 3:23:14 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

48768

Message:

Bigger lock for the pagefault handler.
Avoid deadlocks when syncing notification handlers with our recompiler.

File:

• trunk/src/VBox/VMM/VMMR0/PGMR0.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/PGMR0.cpp

@@ -232 +232 @@
      * nested page tables.
      */
+    pgmLock(pVM);
     switch(enmShwPagingMode)
     {
@@ -253 +254 @@
         break;
     }
+    Assert(PGMIsLockOwner(pVM));
+    pgmUnlock(pVM);
     if (rc == VINF_PGM_SYNCPAGE_MODIFIED_PDE)
         rc = VINF_SUCCESS;