Hello Saurabh,
On 05/09/15 01:52, Saurabh Gadia wrote:
This is the patch for solving priority inversion problem for
uniprocessor architecture. It works correctly for all test cases on
master. For 4.11 the patch get applied cleanly but the branch does not
compile because of some rbtree error(unrelated to project). Github
link: https://github.com/saurabhgadia4/rtems/tree/nested-mutex
I reviewed your patch. Basically you replaced the LIFO list of
priorities with a sorted list? Does it work with timeouts and external
priority changes (e.g. task A blocks on a mutex owned by O, another task
B raises the priority of A, will this raise the priority of O?)
Since all tests pass, test sptests/spsem03 passes, which shows that your
implementation doesn't support horizontal nesting.
There is no deadlock detection.
Please have a look at:
https://devel.rtems.org/ticket/2412
I think the suggested implementation would even work on SMP systems
quite well.
--
Sebastian Huber, embedded brains GmbH
Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone : +49 89 189 47 41-16
Fax : +49 89 189 47 41-09
E-Mail : sebastian.hu...@embedded-brains.de
PGP : Public key available on request.
Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
_______________________________________________
devel mailing list
devel@rtems.org
http://lists.rtems.org/mailman/listinfo/devel
