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    SubjectRe: [PATCH] powerpc: use local var instead of local_paca->irq_happened directly in __check_irq_replay
    On Fri, 2012-05-04 at 07:35 +0800, Wang Sheng-Hui wrote:
    > > No, Only comment the test, you must absolutely leave the
    > > __hard_irq_disable() call ! That's the whole point of the test, make
    > > sure we unconditionally disable to see if that fixes the problem, in
    > > which case that will tell us that we somewhere accidentally leave
    > > irq_happened set to 0x01 while irqs are hard enabled.
    > It can work.
    > My system has been running for about 15 hours without crash.

    Ok, so now we need to understand under what circumstances we end up
    in a situation where paca->irq_happened is 0x01 and IRQs are hard
    enabled. I have a few ideas of things to look at but I'm also off
    for the week-end.

    I'll have a look next week.


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