Changeset 60945 in vbox for trunk/src/VBox/Devices/Graphics

Timestamp:

May 12, 2016 1:48:39 PM (9 years ago)

Author:

vboxsync

Message:

DevVGA: Disabled broken VINF_EM_RAW_EMULATE_IO_BLOCK optimization, see bugref:8123

File:

• trunk/src/VBox/Devices/Graphics/DevVGA.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Graphics/DevVGA.cpp

@@ -1396 +1396 @@
         VERIFY_VRAM_WRITE_OFF_RETURN(pThis, addr * 4 + 3);
 
+#if 0
+/* This code does not work reliably and no longer helps performance either. */
 #ifdef IN_RING0
         if (((++pThis->cLatchAccesses) & pThis->uMaskLatchAccess) == pThis->uMaskLatchAccess)
@@ -1433 +1435 @@
             }
         }
+#endif
 #endif