Why _ThreadProcessSignalsFromIrq() in new exception processing?

[Sergei Organov]

Could somebody please explain what is the purpose of call to
_ThreadProcessSignalsFromIrq() in the new-exception-processing from the
shared_raw_irq_code_entry? Should it be implemented in the old exception
processing for proper RTEMS behavior?

BTW, is the new exception processing model documented somewhere as this call
is not the only violation of the old documentation describing how
exceptions/interrupts should be handled by BSPs?

Thanks in advance.

--
Sergei.