On Mon, 2007-09-24 at 15:44 +0200, Dor Laor wrote: > Seems like there is a problem with shared irq line, the interrupt > handler always returns IRQ_HANDLED (except for the trivial case > were the callback is null). > > It can be solved by having a host irq counter (in the shared ring) and > a guest irq counter and return > mb(); return (host_counter!=guest_counter)? IRQ_HANDLED:IRQ_NONE;
Or we could make the callback return irqreturn_t and have an explicit "disable" hook to disable interrupts. Using the return value of the callback to disable the queue has always made be a little uncomfortable, but it's slightly more efficient than a separate hook. Thanks, Rusty. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
