Re: [PATCH v2 00/17] [uq/master] Prepare for more qemu-kvm merging

Avi Kivity
2011-01-04T09:03:08Z

On 01/04/2011 10:42 AM, Jan Kiszka wrote:
> >
> > Sounds really frightening... this glue code is a real breeding ground
> > for subtle bugs and merge problems.
>
> ...and that's why we are more than late with unifying it into a single
> code base.
>
> After that upcoming cleanup round we will have three major remaining to-dos:
> - in-kernel irqchip and PIT support with the subtopics
> - VAPIC/TPR-patching support
> - IRQ routing
> - PCI device assignment
> - VCPU& IO-thread execution model
>
> While I'm not that concerned about the first two as they basically add
> code that "just" needs to be refactored, the last one is worrying me. We
> need to find a smart way to morph one into the other. The code is full
> of subtle differences and is likely quite performance sensitive.

Agreed on all counts.

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