Re: PCIe 2.1 ECNs v2

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On Wed, 11 May 2011 20:33:07 -0500
Xianghua Xiao <xiaoxianghua@xxxxxxxxx> wrote:

> On Wed, May 11, 2011 at 5:21 PM, Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote:
> > Updated with the suggestions Bjorn and Matthew provided (thanks a lot
> > for the review).  I'm not sure what to do about OBFF enable; it
> > obviously needs platform support to enable properly, but it would be
> > nice to *disable* it in some cases where it's broken at least.
> >
> > Anyone have test hardware?  I expect some embedded systems will want
> > actual OS code and may not use WAKE# so hopefully wouldn't have
> > issues...  I'll let the code soak in linux-next for now.
> >
> > Thanks,
> > Jesse
> >
> > --
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> 
> can you give a pointer on how to test it? I'm interested and have pcie
> (RC-EP) devices.

If you have a system device that supports one or more of these features,
modify the driver to enable the features and make any necessary changes
(e.g. for IDO you need to tag your streams, and for LTR you have to
pick some latencies), then test performance and/or power consumption.

-- 
Jesse Barnes, Intel Open Source Technology Center
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