Hi Avi,
Avi Kivity kirjoitti:
I noticed that QEMU uses KVM_SET_MP_STATE but the ioctl() is
completely undocumented. I assume it has something to do with
multiprocessor but I am unable to work out the details unless I take a
peek at arch/x86/kvm.
Patch sent.
Two more interesting but undocumented ioctls:
- KVM_SET_IDENTITY_MAP_ADDR
- KVM_SET_BOOT_CPU_ID
Little background: we're debugging a KVM_EXIT_UNKNOWN problem for the
"largest bug-free kernel" on Core i5 machine. I've been looking at
plain QEMU sources but it seems "qemu-kvm" that the person is using does
much more during initialization. Do we have a known good list of
mandatory steps required to properly initialize KVM on all CPUs?
Pekka
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