Re: Enabling peer to peer device transactions for PCIe devices

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A white list may end up being rather complicated if it has to cover
different CPU generations and system architectures. I feel this is a
decision user space could easily make.

Logan
I agreed that it is better to leave up to user space to check what is working and what is not. I found that write is practically always working but read very
often not. Also sometimes system BIOS update could fix the issue.

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