Re: [PATCH 1/3] kvm tools: Make virtio-net kvm__irq_line thread safe

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On Fri, Apr 29, 2011 at 1:32 PM, Ingo Molnar <mingo@xxxxxxx> wrote:
>> Without the mutex around the kvm__irq_line, I am still seeing the
>> hangs(with the irq assertion movement patch).
>
> since the mutex has no effect on the other party that modifies the virtual
> queue (the guest OS), this at best only changes timings and hides the bug.

Yes, I don't think it has anything to do with the queues - it's simply
a bug in the RX path which requires other work to happen to raise the
IRQ.
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