daniel sheltraw wrote:
>
> Hello RTAIers
>
> Two questions:
>
> (1) Do RT interrupts always interrupt any RT task or is there some
> dependence on the priority level set for the task?
Yes, unless the task disables them.
> (2) What does rt_free_linux_irq() do and why is it needed? Would
> you please give me an example of when it might be used.
rt_request_linux_irq does the same as the equivalent Linux call, except
that it forces a shared interrupt even if Linux does not want to,
rt_free_linux_irq is needed to free what rt_request_linux_irq has
installed.
Ciao, Paolo.
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