Dong, Eddie wrote:
> [EMAIL PROTECTED] wrote:
>> Laurent Vivier wrote:
>>> Dong, Eddie wrote:
>>>> [EMAIL PROTECTED] wrote:
>>>>> PATCH 2/2] setup_pio-cleanup, some cleanup, split
>>>>> kvm_setup_pio() in two
>>>>> functions, one to setup in/out pio (kvm_emulate_pio()) and one to
>>>>> setup ins/outs pio (kvm_emulate_pio_string()).
>>>>>
>>>> Did u try on lapic3 branch with XP guest? Only windows guest is
>>>> using string IO.
>>> Yes, I tried XP guest, it works fine, but not on lapic3 branch.
>>>
>>> BTW, I saw string IO with linux too. But Windows XP uses insb/outsb,
>>> unlike linux which uses ins{wd}/outs{wd}.
>>>
>> Only with lapic3 + windows guest, string PIO has a real usage model.
>> I think we have to do that before taking.
>> thanks, eddie
>>
> I may confuse you. Currently master doesn't do in kernel PIO emulation,
> all string PIO
> will go to user level which is fine. With lapic3, we have kernel PIO
> emulation for PIC.
> Linux doesn;t use string PIO for PIC (port 0x20/0x21) but XP and Win2003
> does.
> So can u test kernel string PIO?
Yes, I should be able, just explain me what and how...
Laurent
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