Re: KVM VMExit

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x86 has a Undefined Instruction, its opcode is 0F 0B and it generates
an invalid opcode exception. This instruction is provided for software
testing to explicitly generate an invalid opcode exception. The opcode
for this instruction is reserved for this purpose.

Thanks


Xin


On Sun, Nov 13, 2011 at 8:50 PM, 王永博 <wangyongbo90@xxxxxxxxx> wrote:
>
>
> 2011/11/14 Xin Tong <xerox.time.tech@xxxxxxxxx>
>>
>> I would like to know how I can make a UD2 (Undefined Instruction)
>> cause a vmexit in KVM ?
>>
>> Thanks
>>
>>
>> Xin
>
>   what is UD2 ?
>>
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