Changeset 32458 in vbox for trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

Timestamp:

Sep 13, 2010 4:30:10 PM (14 years ago)

Author:

vboxsync

Message:

VMM: Return to ring-3 when DMA work is pending.

File:

• trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

@@ -2435 +2435 @@
 
     /* Check for pending actions that force us to go back to ring 3. */
-    if (    VM_FF_ISPENDING(pVM, VM_FF_HWACCM_TO_R3_MASK | VM_FF_REQUEST | VM_FF_PGM_POOL_FLUSH_PENDING)
+    if (    VM_FF_ISPENDING(pVM, VM_FF_HWACCM_TO_R3_MASK | VM_FF_REQUEST | VM_FF_PGM_POOL_FLUSH_PENDING | VM_FF_PDM_DMA)
         ||  VMCPU_FF_ISPENDING(pVCpu, VMCPU_FF_HWACCM_TO_R3_MASK | VMCPU_FF_PGM_SYNC_CR3 | VMCPU_FF_PGM_SYNC_CR3_NON_GLOBAL | VMCPU_FF_REQUEST))
     {
@@ -2477 +2477 @@
         {
             rc = VINF_PGM_POOL_FLUSH_PENDING;
+            goto end;
+        }
+
+        /* Check if DMA work is pending (2nd+ run). */
+        if (VM_FF_ISPENDING(pVM, VM_FF_PDM_DMA) && cResume > 1)
+        {
+            rc = VINF_EM_RAW_TO_R3;
             goto end;
         }