Re: [PATCH 6/8] NTB: perf: Fix support for hardware that doesn't have port numbers

[Logan Gunthorpe]

On 15/06/18 01:50 PM, Serge Semin wrote:
> On Fri, Jun 08, 2018 at 06:08:17PM -0600, Logan Gunthorpe <logang@xxxxxxxxxxxx> wrote:
>> Legacy drivers do not have port numbers (but is reliably only two ports)
>> and was broken by the recent commit that added mult-port support to
>> ntb_perf. This is especially important to support the cross link
>> topology which is perfectly symmetric and cannot assign unique port
>> numbers easily.
>>
> 
> Please, see the comment to the patch 3/8. I explained everything there
> including the fact, that the Intel/AMD drivers do have unique port numbers
> assigned.

See my comments as to why this is impossible.

Logan