qemu for kvm

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Hi, all

I wonder how the qemu works on the kvm.

As I know, the qemu generally translate a guest's binary
to be suitable for a host at real-time.
But, it's more than true that the binary translation will issue
performance problem. So, to avoid it, the qemu directly run
a guest's binary on a host if both the guest and host have
same ABI.

How does it work in kvm/arm?

Also, how about the mmu?
When I read the reference manual for kvm/arm on the ARM fast-model,
i saw the option '-target-list=arm-softmmu.
Then does it mean that this kvm/arm does not fully utilize the hardware virtualization
extention? I mean 'hardware mmu' for two-stage page walking.

Thank you in advance.

Cho
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