On 6/4/20 8:15 PM, Paolo Bonzini wrote:
> On 04/06/20 08:39, Philippe Mathieu-Daudé wrote:
>>>                  simulate_wrmsr(cpu);
>>>              }
>>> -            RIP(env) += rvmcs(cpu->hvf_fd, VMCS_EXIT_INSTRUCTION_LENGTH);
>>> +            RIP(env) += ins_len;
>> I'd feel safer if you change ins_len to uint64_t first.
>>
> 
> Why?  It will never be more than 15 (it's also a 32-bit field in the VMCS).

Indeed, I am now seeing the comment in target/i386/hvf/vmcs.h:132

  /* 32-bit read-only data fields */
  #define VMCS_EXIT_INSTRUCTION_LENGTH 0x0000440C

So:
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>

Thanks Paolo.


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