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author | Aun-Ali Zaidi <admin@kodeit.net> | 2015-12-23 14:44:02 -0600 |
---|---|---|
committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2015-12-24 16:52:34 -0600 |
commit | d5154d0f6a04f3b7ed59d9a09038576fe2640756 (patch) | |
tree | 4b6dcf6e9b116223903afbc1b1141d28fb751848 /c/src/lib/libbsp/powerpc/motorola_powerpc/times.mvme2307 | |
parent | score: Fix watchdog removal (diff) | |
download | rtems-d5154d0f6a04f3b7ed59d9a09038576fe2640756.tar.bz2 |
api: Remove deprecated Notepads
Notepads where a feature of RTEMS' tasks that simply functioned in
the same way as POSIX keys or threaded local storage (TLS). They were
introduced well before per task variables, which are also deprecated,
and were barely used in favor of their POSIX alternatives.
In addition to their scarce usage, Notepads took up unnecessary memory.
For each task:
- 16 32-bit integers were allocated.
- A total of 64 bytes per task per thread.
This is especially critical in low memory and safety-critical applications.
They are also defined as uint32_t, and therefore are not guaranteed to
hold a pointer.
Lastly, they are not portable solutions for SMP and uniprocessor systems,
like POSIX keys and TLS.
updates #2493.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/motorola_powerpc/times.mvme2307')
-rw-r--r-- | c/src/lib/libbsp/powerpc/motorola_powerpc/times.mvme2307 | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/times.mvme2307 b/c/src/lib/libbsp/powerpc/motorola_powerpc/times.mvme2307 index 6e4677de8a..900ed19f8c 100644 --- a/c/src/lib/libbsp/powerpc/motorola_powerpc/times.mvme2307 +++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/times.mvme2307 @@ -57,8 +57,6 @@ Column Y: rtems_task_mode: no reschedule 3.766 rtems_task_mode: reschedule -- returns to caller 5.933 rtems_task_mode: reschedule -- preempts caller 22.613 - rtems_task_set_note 10.115 - rtems_task_get_note 10.236 rtems_clock_set 21.466 rtems_clock_get 2.286 |