Messages in this thread | | | Date | Fri, 19 Mar 2004 13:16:08 +0000 | From | Russell King <> | Subject | Re: spurious 8259A interrupt |
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On Fri, Mar 19, 2004 at 01:06:10PM +0000, Jamie Lokier wrote: > For those rare occasions when an interrupt handler wants to re-enable > interrupts (sti), _then_ it could mask the interrupt that called the handler.
Interrupt handlers generally run with the CPU interrupt disable flag cleared, so other interrupts can be serviced.
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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