Anthony Liguori wrote:
Martin Kejík wrote:
Hello,
I've compiled the KVM enabled QEMU with support for both KVM and
KQEMU. Both modules loaded and
QEMU running saying "kvm: enabled" and "kqemu: enabled for user code".
How does this work?? What does QEMU really do in this situation when
we look closer to CPU??
You're using both accelerators at the same time and getting 2x
acceleration. It will actually go faster than native now :-)
Seriously, it's working based on sheer luck. If you look at the
cpu_exec() loop (which is the core execution loop in QEMU, you'll see):
Is cpu_exec() actually executed with kvm? I think we fork vcpu threads
and jump to our own little main loop before that.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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