Re: [PATCH] KVM: nVMX: fix MWAIT emulation for guests

[Wanpeng Li]

2017-05-04 18:37 GMT+08:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>:
>
>
> On 04/05/2017 11:37, Wanpeng Li wrote:
>>
>> The kvm-unit-tests/vmx.flat fails against instruction(mwait) intercept test.
>>
>> Test suite: instruction intercept
>> Unhandled exception 13 #GP at ip 0000000000402397
>> error_code=0000      rflags=00010012      cs=00000008
>> rax=0000000000000000 rcx=0000000004006172 rdx=0000000000402397 rbx=000000000041427d
>> rbp=0000000007ff8fdf rsi=0000000000000000 rdi=0000000000000004
>>  r8=000000000000000a  r9=00000000000003f8 r10=0000000000000000 r11=0000000000000000
>>  r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000
>> cr0=0000000080010031 cr2=0000000000000000 cr3=0000000007fff000 cr4=0000000000002020
>> cr8=0000000000000000
>>       STACK: @402397 401102 400459
>
> The problem is simply that the tests were not clearing eax/ecx/edx.

You are right, thanks for pointing out this. :)

Regards,
Wanpeng Li