Re: [PATCH 0/8] Intel I/O Acceleration Technology (I/OAT)

From: Matthieu CASTET
Date: Sun Mar 05 2006 - 11:12:09 EST


Hi,
Le Sat, 04 Mar 2006 14:16:43 -0800, David S. Miller a écrit :

> From: Gene Heskett <gene.heskett@xxxxxxxxxxx>
> Date: Sat, 04 Mar 2006 17:05:41 -0500
>
>> On Saturday 04 March 2006 16:41, David S. Miller wrote:
>> >From: Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx>
>> >Date: Sat, 4 Mar 2006 19:46:22 +0100 (MET)
>> >
>> >> Does this buy the normal standard desktop user anything?
>> >
>> >Absolutely, it optimizes end-node performance.
>>
>> Is this quantifiable?, and does it only apply to Intel?
>
> It applies to whoever has a DMA engine in their computer.
>
But we need a special driver ?
The IOAT driver from intel seems to expect a pci device (0x8086 0x1a38)
and the common x86 computer have their dma in lpc/isa bridge.


Matthieu

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