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SubjectRe: what is wrong with this?
>>>>> "Andrew" == Andrew E Mileski <> writes:


>> Exactly. Except iopl(3), in addition to raising the bitmap to take 8k,
>> sets it to allow access to any ioport, thus ioperm is not necessary
>> when iopl is called. Or so that is the current behavior. I know not
>> if it is correct behavior.

Andrew> Makes sense to me.

iopl(3) does not increase the bitmap size. As it's name suggests it
sets the Input Output Privelege Level to 3 which disables i/o port
privelege checking.


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