Re: PCI Bursting with PIO

[Andi Kleen]

"Dan Gora" <dan.gora@xxxxxxxxx> writes:
>
> Is there any way to get PIO 

I assume you really mean MMIO, not PIO. PIO would be port IO.

> to burst over the PCI bus in the read and
> write direction? 

You should set the MMIO mapping to write combining using an MTRR
You might need to add appropiate memory barriers if you rely
on write ordering though.

-Andi
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