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 ... Avi? -- MST -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html