Changeset 17421 in vbox for trunk/src/VBox/VMM/PGMPhys.cpp

Timestamp:

Mar 5, 2009 8:17:00 PM (16 years ago)

Author:

vboxsync

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

43832

Message:

PGM,VMM,GMM: handy page allocation and some other fixes.

File:

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

trunk/src/VBox/VMM/PGMPhys.cpp

@@ -2413 +2413 @@
 {
     pgmLock(pVM);
+
+    /*
+     * Allocate more pages, noting down the index of the first new page.
+     */
+    uint32_t iClear = pVM->pgm.s.cHandyPages;
     int rc = VMMR3CallR0(pVM, VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES, 0, NULL);
     if (rc == VERR_GMM_SEED_ME)
@@ -2426 +2431 @@
         }
     }
+
+    /*
+     * Clear the pages.
+     */
+    if (RT_SUCCESS(rc))
+    {
+        while (iClear < pVM->pgm.s.cHandyPages)
+        {
+            PGMMPAGEDESC pPage = &pVM->pgm.s.aHandyPages[iClear];
+            void *pv;
+            rc = pgmPhysPageMapByPageID(pVM, pPage->idPage, pPage->HCPhysGCPhys, &pv);
+            AssertLogRelMsgBreak(RT_SUCCESS(rc), ("idPage=%#x HCPhysGCPhys=%RHp rc=%Rrc", pPage->idPage, pPage->HCPhysGCPhys, rc));
+            ASMMemZeroPage(pv);
+            iClear++;
+        }
+    }
+
+/** @todo Do proper VERR_EM_NO_MEMORY reporting. */
     pgmUnlock(pVM);
     Assert(rc == VINF_SUCCESS || rc == VINF_EM_NO_MEMORY);