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    SubjectRe: [PATCH RFC] kvm: enable irq injection from interrupt context
    On Fri, Sep 17, 2010 at 09:59:29AM +0200, Gleb Natapov wrote:
    > > writing 0 to eventfd does nothing. The way to deassert irq
    > That is implementation detail of current irqfd. It was designed for MSI
    > not level triggered interrupts.

    Maybe we should add a check that gsi is mapped to MSI (or unmapped) then?
    Level which switches to 1 and back to 0 immediately will be racy anyway


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