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    SubjectRe: [PATCH RFC v2] net: add PCINet driver
    On Tuesday 04 November 2008, Ira Snyder wrote:

    > So, since interrupts are disabled while my interrupt handler is running,
    > I think I should be able to use spin_lock() and spin_unlock(), correct?


    > But sparse gives me the following warning:
    > wqt.c:185:9: warning: context imbalance in 'wqt_interrupt': wrong count at exit
    > wqt.c:185:9: context 'lock': wanted 0, got 1
    > If I'm using spin_lock_irqsave() and spin_lock_irqrestore() I do not get
    > the same warnings. Therefore I must have some misunderstanding :)

    I've seen something like that before, I think it was a bug either in
    sparse or in the powerpc platform code. Try updating both the kernel
    and sparse and see if it still happens.

    Arnd <><

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