Commits on Feb 16, 2024

1. [nrf fromtree] ipc: Drain pending work items before deregistering end… …

   …point
   
   The work item will attempt to dereference pointers that have been nulled
   by the backend.
   
   To avoid that, wait until all items currently on the queue have been
   processed.
   
   The symptom is a busfault on ARM, and is "fixed" by adding a
   `k_msleep(1)` right before `ipc_service_deregister_endpoint()`. This
   will in effect do the same thing as this patch, and allow the scheduler
   to run the work item on the ipc workqueue.
   
   Signed-off-by: Jonathan Rico <jonathan.rico@nordicsemi.no>
   (cherry picked from commit f24a01e)

   

   jori-nordic committed Feb 16, 2024
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