On 3/6/2014 1:57 PM, Gedare Bloom wrote: > On Thu, Mar 6, 2014 at 2:27 PM, Joel Sherrill <joel.sherr...@oarcorp.com> > wrote: >> Hi >> >> As discussed, task variables are broken by design for SMP configurations. >> This means we need to eliminate their use in cpukit and adjust other code >> as needed. Here is the list of files which use rtems_task_variable_add(). >> We need to figure out how to address each case: >> >> Comunity help could really be used to do each of the cases in cpukit >> where task variables are used. >> >> Real Uses To Change >> =================== >> + cpukit/libmisc/shell/shell.c >> - Uses rtems_current_shell_env. Switch to POSIX Keys? >> + cpukit/librpc/src/rpc/rtems_rpc.c >> - Uses rtems_rpc_task_variables. Switch to POSIX Keys? >> + cpukit/libcsupport/src/gxx_wrappers.c >> - Definitely switch to keys >> + cpukit/libcsupport/src/privateenv.c >> - Uses rtems_global_user_env. Switch to POSIX Keys? Help is really needed to get these done. ***hint*** >> Code to Clean Up When Not Built in SMP >> ====================================== >> + testsuites/smptests/smpunsupported01/init.c >> - remove task variable case when task variables not built in SMP >> + testsuites/psxtests/psxconfig01/init.c >> - do not run task variable case >> + testsuites/sptests/sp28/init.c >> - disable test for SMP >> + c/src/lib/libbsp/powerpc/mvme5500/vectors/exceptionhandler.c >> - ??? > It looks like this bsp permits installing per-task exception handlers. > This seems pretty iffy to me, but the powerpc/mvme5500 users should be > consulted whether they use or need this feature. I would vote to > deprecate it for the next release and then eliminate it altogether if > no one pipes up that it is desired. It is just a uniprocessor board so not a huge concern to me but it is an oddly general feature to add at a BSP level. >> + c/src/ada/rtems-tasks.adb >> - interesting case, not sure about binding. Ada has no preprocessing >> + doc/user/task.t >> - Add note on when disabled >> + cpukit/rtems/include/rtems/rtems/tasks.h >> - conditionalize out task variables when SMP >> + cpukit/rtems/mainpage.h >> - Add note on when disabled >> + cpukit/rtems/src/taskvariableadd.c >> - disable all task variable source when SMP >> >> -- >> Joel Sherrill, Ph.D. Director of Research & Development >> joel.sherr...@oarcorp.com On-Line Applications Research >> Ask me about RTEMS: a free RTOS Huntsville AL 35805 >> Support Available (256) 722-9985 >> >> _______________________________________________ >> rtems-devel mailing list >> rtems-devel@rtems.org >> http://www.rtems.org/mailman/listinfo/rtems-devel
-- Joel Sherrill, Ph.D. Director of Research & Development joel.sherr...@oarcorp.com On-Line Applications Research Ask me about RTEMS: a free RTOS Huntsville AL 35805 Support Available (256) 722-9985 _______________________________________________ rtems-devel mailing list rtems-devel@rtems.org http://www.rtems.org/mailman/listinfo/rtems-devel
