Re: [PATCH v2] KVM: x86: Check for host supported fields in shadow vmcs

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Paolo Bonzini <pbonzini@xxxxxxxxxx> writes:

> Il 22/04/2014 12:25, Bandan Das ha scritto:
>>>> >> +		if (j < i)
>>>> >> +			shadow_read_write_fields[j] =
>>>> >> +				shadow_read_write_fields[i];
>>>> >> +		j++;
>>> >
>>> > ... you need to respin anyway because the j++ is wrong.  It should be
>>> > inside the "if".  If you prefer, you can put it in the lhs of the
>> j++ outside the "if" looks right to me. Can you please explain why
>> you think it shouldn't be that way ?
>>
>
> The way you wrote it, j will always be equal to i.

Right, and that's what we want unless we come across an unsupported 
field. We then overwrite the unsupported field with the next
field supported. j this way keeps track of the "real" length.

> Paolo
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