Changeset 767 for Whitix/branches/fs/arch/i386/mm/virt.c

Timestamp:

07/09/08 16:23:54 (5 months ago)

Author:

mwhitworth

Message:

Disable preemption when altering manager list.

Files:

• Whitix/branches/fs/arch/i386/mm/virt.c (modified) (3 diffs)

Whitix/branches/fs/arch/i386/mm/virt.c

@@ -172 +172 @@
         }
 
-        ListAdd(&manager->list,&managerList);
+        if (currThread)
+                PreemptDisable();
+
+        ListAddTail(&manager->list,&managerList);
+
+        if (currThread)
+                PreemptEnable();
 
         IrqRestoreFlags(flags);
@@ -211 +217 @@
          * one for safety, as this one will be freed. */
 
+        PreemptDisable();
+
         if (manager == current->memManager)
                 VirtSetCurrent(&kernelMem);
@@ -227 +235 @@
         VirtUnmapPhysPage((DWORD)vPageDir);
         ListRemove(&manager->list);
+
+        PreemptEnable();
+
         memCacheFree(managerCache,manager);