[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?
thx,eddie
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