Re: [rtl] Q: when are linux interrupt handlers are invoked?

["Michael Barabanov" <baraban@zappa.spb.su>]

On Fri, 8 May 1998 16:36:51 -0700 (PDT), "Jun Sun" <Jun_Sun@geoworks.com> wrote:
 
> However, the rt-linux code seems to suggest that interrupts are passed to
> Linux before real-time tasks get a chance to run. Here is the reasoning :
> ...

We assume that an interrupt line is used either for real-time, or for plain
Linux. In the former case, the lowest-level handler is RT_IRQxx_interrupt
which does call the corresponding function from the RTaction array.

The exception is the timer. Its linux_IRQ... routine calls the
function that RTaction[0] points to.

Michael.
--- [rtl] ---
For more information on Real-Time Linux see:
http://rtlinux.cs.nmt.edu/