Most rececnt qemu-devel discussion and a promising looking approach (ie it would work whereas my idea linked from comment #14 would not): http://lists.gnu.org/archive/html/qemu-devel/2014-02/msg04569.html
Most rececnt qemu-devel discussion and a promising looking approach (ie it would work whereas my idea linked from comment #14 would not): lists.gnu. org/archive/ html/qemu- devel/2014- 02/msg04569. html
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