Re: [PATCH v5 RESEND] PCI: Set PCI-E Max Payload Size on fabric

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On Thu, 2011-06-23 at 22:54 -0500, Jon Mason wrote:
> There is a sizable performance boost for having the largest possible
> maximum payload size on each PCI-E device.  However, the maximum payload
> size must be uniform on a given PCI-E fabric, and each device, bridge,
> and root port can have a different max size.  To find and configure the
> optimal MPS settings, one must walk the fabric and determine the largest
> MPS available on all the devices on the given fabric.

Sorry, I haven't had a chance to try it on my setup here, will do asap.

Cheers,
Ben.


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