Changeset 77577 in vbox for trunk/src/VBox

Timestamp:

Mar 6, 2019 9:52:47 AM (6 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Comment.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -8528 +8528 @@
 #endif
 
-    /* Check force flag actions that might require us to go back to ring-3. */
+    /*
+     * Check and process force flag actions, some of which might require us to go back to ring-3.
+     */
     VBOXSTRICTRC rcStrict = hmR0VmxCheckForceFlags(pVCpu, fStepping);
     if (rcStrict == VINF_SUCCESS)
@@ -8536 +8538 @@
 
     /*
-     * Setup the virtualized-APIC accesses.
-     *
-     * Note! This can cause a longjumps to R3 due to the acquisition of the PGM lock
-     * in both PGMHandlerPhysicalReset() and IOMMMIOMapMMIOHCPage(), see @bugref{8721}.
-     *
-     * This is the reason we do it here and not in hmR0VmxExportGuestState().
+     * Virtualize memory-mapped accesses to the physical APIC (may take locks).
      */
     PVM pVM = pVCpu->CTX_SUFF(pVM);