Userspace specific host irq?
Hi all
This piece of code puzzled me at all time:
virt/kvm/kvm_main.c:assigned_device_update_intx()
Quoted 4 lines
if (airq->host_irq) adev->host_irq = airq->host_irq; else adev->host_irq = adev->dev->irq;
I don't know why we can let userspace use a different host_irq rather than the real one.
I've queried Amit and Ben-Ami who are the original author about this question, and they also think this piece of code is redundancy. Send the question to the mailing list, if everyone agree, I would discard this one.
Thanks!
Signature · 2 lines
regards Yang, Sheng