Messages in this thread | | | Date | Fri, 20 Jun 2008 14:20:34 -0700 (PDT) | Subject | Re: stack overflow on Sparc64 | From | David Miller <> |
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From: Mikulas Patocka <mpatocka@redhat.com> Date: Fri, 20 Jun 2008 17:14:41 -0400 (EDT)
> Are you sure? What about this: > ide-io.c:ide_intr > if (drive->unmask) > local_irq_enable_in_hardirq(); > > or this: > kernel/irq/handle.c:handle_IRQ_event > if (!(action->flags & IRQF_DISABLED)) > local_irq_enable_in_hardirq(); > > > --- how is number of nested interrupts here supposed to be limited? > > If these things are not limited, you get at most as many nested handlers > as there are hardware interrupts, which means crash.
It means i386 and every other platform potentially has the same exact problem.
What point wrt. sparc64 are you trying to make here? :-)
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