Messages in this thread | | | Date | Thu, 16 Sep 2010 15:50:33 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH RFC] kvm: enable irq injection from interrupt context |
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On 09/16/2010 03:38 PM, Michael S. Tsirkin wrote: > > > > That's just an implementation detail. Devices either assert INT# or > > they do not. Tying the wires together constitutes an AND gate. > > This gate has to be modelled somewhere, currently it's in qemu's pci > > emulation. > > Right. kvm in kernel has this as well, we need to keep this in > kvm kernel if we want to support level with irqfd.
Right, we added the irq_source_id hack for device assignment.
What's wrong with letting userspace mediate this, though?
> Where it does not belong is individual devices: these > should be able to assert INTx multiple times > and it should have no effect, as per spec. > >
Yes.
-- error compiling committee.c: too many arguments to function
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