Alexander Graf wrote:
Yeah. We could move some of these out, and emulate the rest (ltr I
think is needed).
Then older versions of kvm would still break
If emulation fails, go back to virtualization. Or am I missing something?
That's what kvm_x86_ops is for. We already emulate vendor specific
instructions (vmcall and vmmcall).
From what I can tell kvm_x86_ops tries to multiplex calls that happen
to be different on svm/vmx, but existent on both. SVM instructions
usually don't appear on VMX ;-).
Right. But so what? I don't want to lose any future improvements the
emulator may have (like traps on debug register, etc).
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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