[rtems commit] doc: SMP status of RTEMS 4.11

Sebastian Huber sebh at rtems.org
Wed Dec 16 07:20:55 UTC 2015

Module:    rtems
Branch:    4.11
Commit:    93b959581c375a9115cb3f86db04ea09a1bc94ee
Changeset: http://git.rtems.org/rtems/commit/?id=93b959581c375a9115cb3f86db04ea09a1bc94ee

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed Dec 16 06:28:58 2015 +0100

doc: SMP status of RTEMS 4.11


 doc/user/smp.t | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/user/smp.t b/doc/user/smp.t
index e42c7f7..e5fdf58 100644
--- a/doc/user/smp.t
+++ b/doc/user/smp.t
@@ -25,6 +25,15 @@ fixed priority scheduler, see also @ref{Configuring a System Configuring
 Clustered/Partitioned Schedulers}.  For example applications see
+ at strong{WARNING: The SMP support in RTEMS 4.11 is highly experimental and
+incomplete.  Due to the use of the Giant lock and other implementation
+shortcomings it is unsuitable for systems that need a predictable timing
+behaviour.  Some issues are already fixed in the development version of RTEMS
+4.12.  There are no plans to fix them in RTEMS 4.11.  Before you start using
+this RTEMS version for SMP ask on the RTEMS mailing list.  The SMP support in
+4.11 is good enough for simple demonstration purposes.  It is work in progress
+and a future version of RTEMS will provide proper SMP support.}
 This chapter describes the services related to Symmetric Multiprocessing
 provided by RTEMS.

More information about the vc mailing list