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4e79698a99
If MICROPY_PY_THREAD is set, PendSV_Handler acquires a mutex and calls the dispatch functions. If pendsv_schedule_dispatch is called by a higher priority interrupt while the mutex is acquired by PendSV_Handler it's possible for the dispatch to not be triggered. Add a check for dispatch calls at the end of PendSV_Handler once the mutex has been released. Fixes issue #18365. Signed-off-by: Peter Harper <peter.harper@raspberrypi.com>