Phillip Susi wrote:
Tejun Heo wrote:
Agreed. Nobody cared on ATA controllers is usually very effective at
taking the whole machine down. Is there any reason why we don't turn on
irqpoll on turned off IRQs automatically?
Why does a single spurious interrupt cause it to be shut down? I can
see if the interrupt is stuck on and keeps interrupting constantly, but
if it's just the occasional spurious interrupt, why not just ignore it
and move on?
I'm not certain offhand, but I think there may be such a threshold.
However, an occasional spurious interrupt isn't likely. For a
level-triggered interrupt, an unhandled interrupt will keep interrupting
forever since nobody knows how to clear it (until we decide to disable
the IRQ entirely).
--
Robert Hancock Saskatoon, SK, Canada
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