diff options
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 36 |
1 files changed, 0 insertions, 36 deletions
@@ -139,39 +139,3 @@ ** weak aliases Use them consistently and correctly and start by reading http://sources.redhat.com/ml/libc-alpha/2002-08/msg00278.html. - -** TLS - Support for TLS is only implemented for Mach/Hurd (x86). - -* L4 Specific Issues -** Stack -*** Size - The stack size is defined to be a single page in - sysdeps/l4/hurd/pt-sysdep.h. Once we are able to setup regions, - this can be expanded to two megs as suggested by the Mach version. - Until then, however, we need to allocate too much physical memory. -*** Deallocation - __thread_stack_dealloc currently does not deallocate the stack. - For a proper implementation, we need a working memory manager. - -** Scheduling -*** yield - [L4] We cannot use yield for spin locks as L4 only yields to threads of - priority which are greater than or equal to the yielding thread. - If there are threads of lower priority, they are not considered; - the yielding thread is just placed back on the processor. This - introduces priority inversion quite quickly. L4 will not add a - priority suppression function call. As such, we need to do - an ipc with a small time out and then use exponential back off to - do the actual waiting. This sucks. - -** Stub code - [L4] We include <task_client.h> in pt-start.c, however, we need a library - so we do not have to play with the corba stuff. - -** Root server and Task server -*** Getting the tids. - pt-start.c has a wonderfully evil hack that will never work well. - -** Paging - We set the pager to the root server. Evil. Fix this in pt-start.c. |