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"RTirq" and "Linux irq" numbers.
1/ As i use request_RTirq(7,...) in RTL V1.2, is irq 7 always available
to Linux or should i wait for free_RTirq(7) before linux could manage it ?
The problem is not on irq=7, but on the ability of sharing an irq number
between Linux and Rt-Linux at the same time.
2/ About interrupt emulation, in the same document, i read two sentences
that seems to me to be opposite: "All hardware interrupts are caught by the
emulator" and "...real-time interrupts that do not pass through the
emulator". Who could help me to understand these both sentences ?
Thanx.