Re: spurious 8259A interrupt
From: Russell King
Date: Fri Mar 19 2004 - 08:17:49 EST
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.
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
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