Re: Interrupt priority [Was: sys_getpriority()]

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On Thu, 20 Dec 2001, Ravi K wrote:

>
> > x86 does indeed have hardware interrupt priorities
> > (check vol.3 of the arch manual
> > from Intel) but they are not used by linux afaik,
> > notwithstanding "irqtune".
>
>  Intel IA-32 arch. manual only specifies the priority
> in which interrupts are serviced in case of multiple
> simultaneous interrupts. x86 doesn't provide a direct
> way to selectively block some interrupts. (at least I
> didn't find any reference in the manual).

You can use interrupt masking.

Cheers,
	Zwane


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