Changeset 56628 in vbox for trunk/src/VBox/VMM/VMMRC

Timestamp:

Jun 24, 2015 7:44:56 PM (10 years ago)

Author:

vboxsync

Message:

IEM: Postpone INS memory writes to ring-3 if we hit an access handler. We cannot redo the read, that will only mess things us. This introduces a new per-cpu forced flag, VMCPU_FF_IEM, that must cause immediate return to ring-3 where it will be serviced ASAP. IEM will try return VINF_EM_RAW_TO_R3 as well to help make sure we get back to ring-3.

File:

• trunk/src/VBox/VMM/VMMRC/TRPMRCHandlers.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMRC/TRPMRCHandlers.cpp

@@ -213 +213 @@
                                           | VMCPU_FF_REQUEST | VMCPU_FF_PGM_SYNC_CR3 | VMCPU_FF_PGM_SYNC_CR3_NON_GLOBAL
                                           | VMCPU_FF_PDM_CRITSECT
+                                          | VMCPU_FF_IEM
                                           | VMCPU_FF_SELM_SYNC_GDT | VMCPU_FF_SELM_SYNC_LDT
                                           | VMCPU_FF_SELM_SYNC_TSS | VMCPU_FF_TRPM_SYNC_IDT
@@ -223 +224 @@
             rc = VINF_EM_NO_MEMORY;
         /* Pending Ring-3 action. */
-        else if (VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_TO_R3 | VMCPU_FF_PDM_CRITSECT))
+        else if (VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_TO_R3 | VMCPU_FF_PDM_CRITSECT | VMCPU_FF_IEM))
         {
             VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_TO_R3);