Re: [PATCH 3/7] KVM: x86 emulator: introduce NoWrite flag

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On Sat, Dec 22, 2012 at 5:11 PM, Gleb Natapov <gleb@xxxxxxxxxx> wrote:
>>  #define X2(x...) x, x
>>  #define X3(x...) X2(x), x
>> @@ -1584,6 +1585,9 @@ static int writeback(struct x86_emulate_ctxt *ctxt)
>>  {
>>       int rc;
>>
>> +     if (ctxt->d & NoWrite)
>> +             return X86EMUL_CONTINUE;
>> +
> Why not make it Dst flag and set dst.type to OP_NONE during decoding
> instead of this special case?

My thinking was to eventually convert everything to NoWrite, then it's
not a special case.  But your approach works too, I can change it if
you like.  We'll have an if () either way though.
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