Changeset 26066 in vbox for trunk/include/VBox

Timestamp:

Jan 27, 2010 12:59:32 PM (15 years ago)

Author:

vboxsync

Message:

Guest SMP: force all VCPUs to go back to ring 3 when a pgm pool flush is pending. Not doing so might cause trouble on a loaded host.

Location:

trunk/include/VBox

Files:

• err.h (modified) (1 diff)
• vm.h (modified) (1 diff)

trunk/include/VBox/err.h

@@ -465 +465 @@
 /** Already aliased to the same page. */
 #define VINF_PGM_HANDLER_ALREADY_ALIASED        (1643)
+/** PGM pool flush pending - return to ring 3. */
+#define VINF_PGM_POOL_FLUSH_PENDING             (1644)
 /** @} */
 

trunk/include/VBox/vm.h

@@ -290 +290 @@
  * loops. */
 #define VM_FF_PGM_NO_MEMORY                 RT_BIT_32(19)
+ /** PGM is about to perform a lightweight pool flush
+  *  Guest SMP: all EMT threads should return to ring 3
+  */
+#define VM_FF_PGM_POOL_FLUSH_PENDING        RT_BIT_32(20)
 /** REM needs to be informed about handler changes. */
 #define VM_FF_REM_HANDLER_NOTIFY            RT_BIT_32(VM_FF_REM_HANDLER_NOTIFY_BIT)