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Merge branch 'workaround/pin_noaffinity_task_to_core_when_fpu_used' into 'master'

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Workaround: Automatically pin no-cpu-affinity task to a core when FPU is used

FPU status at the moment does not migrate cleanly between cores, so tasks without affinity that happen to migrate across FPUs will run into problems. As a workaround, this modification will automatically pin the task to the current CPU when FPU activity is detected. If anything, it's better than getting all kinds of weird and wonderful FPU corruption issues...

See merge request !124
This commit is contained in:
Jeroen Domburg
2016-09-29 11:16:41 +08:00
parent 2a68a97545 4daa768e3c
commit 0383bc8599
3 changed files with 39 additions and 1 deletions
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6
components/freertos/include/freertos/task.h
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@@ -1979,6 +1979,12 @@ BaseType_t xTaskGenericCreate( TaskFunction_t pxTaskCode, const char * const pcN
*/
UBaseType_t uxTaskGetTaskNumber( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
/*
* Get the current core affinity of a task
*/
BaseType_t xTaskGetAffinity( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
/*
* Set the uxTaskNumber of the task referenced by the xTask parameter to
* uxHandle.