Re: [PATCH] vfio/pci: Virtualize Maximum Payload Size

From: Sinan Kaya
Date: Wed Sep 20 2017 - 12:29:41 EST

On 9/20/2017 12:11 PM, Alex Williamson wrote:
> My impression is that the issue would be inefficiency. There should be
> nothing functionally wrong with a read request less than MPS, but we're
> not "filling" the TLP as much as the topology allows. Is that your
> understanding as well, Sinan?

That's my understanding as well. It would be a performance hit to use a
value less than MPS.

Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.