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SubjectRe: [PATCH 2/2] KVM: VMX: Add Force Emulation Prefix for "emulate the next instruction"
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On 27/03/2018 09:52, Liran Alon wrote:
>> +static bool __read_mostly fep = 0;
>> +module_param(fep, bool, S_IRUGO);
> I think this module parameter should have a better name...
> Why not "emulation_prefix" or "enable_emulation_prefix"?
> This short names just confuse the average user.
> It makes him think it is some kind of Intel VT-x technology
> that he isn't aware of :P

Agreed.

> In addition, I think this module parameter should be in kvm module
> (not kvm_intel) and you should add similar logic to kvm_amd module (SVM)

If you can move handle_ud to x86.c, then it makes sense to have the
module parameter in the kvm module. I haven't checked.

Otherwise you would have to EXPORT_SYMBOL_GPL the variable; in the end
it's just a debugging tool, so it'd be simpler to just add it separately
to kvm_intel and kvm_amd.

Paolo

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