Re: [RFC PATCH 00/17] virtual-bus

[Herbert Xu]

On Fri, Apr 03, 2009 at 01:06:10AM +0800, Herbert Xu wrote:
>
> That only happens if the guest immediately does some CPU-intensive
> computation 3ms and assuming its timeslice lasts that long.
> 
> In any case, the same thing will happen right now if the host or
> some other guest on the same CPU hogs the CPU for 3ms.

Even better, look at the packet's TOS.  If it's marked for low-
latency then vmexit immediately.  Otherwise continue.

In the backend you'd just set the marker in shared memory.

Of course invert this for the host => guest direction.

Cheers,
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