Re: Current wisdom on SA_INTERRUPT
Matthew Jacob (mjacob@feral.com)
Tue, 28 Sep 1999 16:07:36 -0700 (PDT)
> that "SA_INTERRUPT is a no-op left for historical reasons".
>
> That certainly doesn't seem to be the case in irq.c. It appears to be used
> like this: if SA_INTERRUPT isn't set, enable interrupts during interrupt
> handling.
>
> So what is this flag for? How, when, and why should it be used?
If you have latency requirements such that you cannot tolerate other
interrups occurring during your irs, set SA_INTERRUPT.
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