| Commit message (Collapse) | Author | Age | Files | Lines |
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Rejecting initially locked MrsP semaphores was due to a limitiation of
the early limitiation of the MrsP protocol. This limitation no longer
exists.
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MrsP semaphores are a generalization of the priority ceiling semaphores
for SMP configurations. Priority ceiling semaphores are required to use
the priority task wait queue discipline. Require this discipline also
for MrsP semaphores.
Close #4347.
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Return STATUS_DEADLOCK (RTEMS_INCORRECT_STATE) to indicate a nested
seize since this is a kind of deadlock. This status code is also used
for other deadlocks.
Update #4217.
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Also start interrupt server tasks on processors which do not have a
scheduler. Applications may dynamically manage processors using
rtems_scheduler_remove_processor() and rtems_scheduler_add_processor().
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Add the build option RTEMS_TEST_VERBOSITY to control the verbosity of
test suites using the RTEMS Test Framework.
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Close #4034.
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Normally, the expected test step must be a compile time constant. Allow
variable expected test steps for the T_step() and T_assert_step(). This
can be used for parameterized test loops with individual fixtures.
Remove the ability to use custom failure messages due to some
implementation constraints.
Update #3199.
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Update #3199.
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Rename this header file to later move <t.h> to <rtems/test.h>. The main
feature provided by <rtems/test-info.h> is the output of standard test
information which is consumed by the RTEMS Tester.
Update #3199.
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The signal handler of the consumer might start executing
before rtems_signal_send of the producer returns.
Therefore change the state to SIG_1_SENT before sending the signal.
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Use the following variant which was already used by most source files:
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
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The CONFIGURE_DISABLE_SMP_CONFIGURATION configuration option and
rtems_configuration_is_smp_enabled() were added during the SMP support
development cycle as a workaround to fix some testsuite failures in SMP
configurations. All use cases were replaced with tests for specific
conditions. The configuration option and test macro were undocumented.
Close #3876.
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Update #3838.
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The work area initialization was done by the BSP through
bsp_work_area_initialize(). This approach predated the system
initialization through the system initialization linker set. The
workspace and C program heap were unconditionally initialized. The aim
is to support RTEMS application configurations which do not need the
workspace and C program heap. In these configurations, the workspace
and C prgram heap should not get initialized.
Change all bsp_work_area_initialize() to implement _Memory_Get()
instead. Move the dirty memory, sbrk(), per-CPU data, workspace, and
malloc() heap initialization into separate system initialization steps.
This makes it also easier to test the individual initialization steps.
This change adds a dependency to _Heap_Extend() to all BSPs. This
dependency will be removed in a follow up change.
Update #3838.
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Problem introduced by 77ac1519e863b7095f69c976353f7647c6f6f63b.
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Use CONFIGURE_MAXIMUM_PROCESSORS to configure the EDF SMP scheduler
context. This avoids hard to debug configuration errors resulting in
memory corruptions.
Close #3815.
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The MrsP semaphore implementation predates the addition of
self-contained synchronization objects. At this time, the potential
memory reduction was justified considering the more complex
configuration and additional use of the workspace. With the
availability of self-contained synchronization options, e.g. POSIX
mutexes, this is no longer justified. Memory constrained applications
should use the self-contained synchronization objects. Remove the
CONFIGURE_MAXIMUM_MRSP_SEMAPHORES configuration option. This has only an
impact on applications which use SMP and a large number of scheduler
instances.
Update #3833.
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Use separator character '_' for all test states.
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Update #3818.
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Process only the jobs initially registered on the processing list. This
makes it possible to add jobs for the current processor in a job
handler. These jobs are processed with the next
SMP_MESSAGE_PERFORM_JOBS message. The lock is only acquired and
released once.
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Move resposibility to disable thread dispatching to the caller of
_SMP_Multicast_action(). Using an interrupt disable for this purpose is
questionable.
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If the caller already disabled interrupts, then do not disable thread
dispatching. Calling _SMP_Multicast_action() with interrupts disabled
is a questionable use case.
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Let it work during system initialization.
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Use a FIFO list of jobs per processor to carry out the SMP multicast
action. Use a done indicator per job to reduce the bus traffic a bit.
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Processor_mask is the internal data type to deal with processor sets.
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Add rtems_scheduler_get_processor_maximum() as a replacement for
rtems_get_processor_count(). The rtems_get_processor_count() is a bit
orphaned. Adopt it by the Scheduler Manager. The count is also
misleading, since the processor set may have gaps and the actual count
of online processors may be less than the value returned by
rtems_get_processor_count().
Update #3732.
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Add rtems_scheduler_get_processor() as a replacement for
rtems_get_current_processor(). The rtems_get_current_processor() is a
bit orphaned. Adopt it by the Scheduler Manager. This is in line with
the glibc sched_getcpu() function.
Deprecate rtems_get_current_processor().
Update #3731.
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We must add/remove the priority queue to the FIFO of priority queues.
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Update #3000.
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Allocate the per-CPU data for secondary processors directly from the
heap areas before heap initialization and not via
_Workspace_Allocate_aligned(). This avoids dependency on the workspace
allocator. It fixes also a problem on some platforms (e.g. QorIQ) where
at this early point in the system initialization the top of the RAM is
used by low-level startup code on secondary processors (boot pages).
Update #3507.
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The following rtems_cache_*_processor_set() cache manager API functions
are exotic, complex, very hard to use correctly, not used in the RTEMS
code base, and apparently unused by applications.
Close #3622.
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Update #2514.
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Update #3533.
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Remove the CPU_PROVIDES_IDLE_THREAD_BODY option to avoid unnecessary
conditional compilation.
Close #3539.
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