Re: kernel device reset support

Dong, Eddie
2007-10-15T04:40:08Z

>N+1, for me is that synchronous device emulation (like pio and mmio)
>happens in in the vcpu thread and asynchronous device emulation
>(handling signals in qemu, performing dma, and injecting interrupts)
>happens in the device thread. This minimizes context switching and
>heavyweight exits.
>
If this is true, then the N+1 thread won't be able to execute
qemu_system_reset
which is in VCPU contents, nor can asyn I/O call back APIs.

Thx,eddie