Re: [PATCH v3 27/28] IB/Verbs: Clean up rdma_ib_or_iboe()

From: Jason Gunthorpe
Date: Mon Apr 13 2015 - 16:34:05 EST

On Mon, Apr 13, 2015 at 02:36:45PM +0200, Michael Wang wrote:
> We have finished introducing the cap_XX(), and raw helper rdma_ib_or_iboe()
> is no longer necessary, thus clean it up.

So, the net result is not looking too bad, but I'm confused about the
structure of this series.

Why introduce query_transport early on?

Why is the patch series going through this progression most lines?

- if (rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND) {
+ if (rdma_tech_ib(device, port_num)) {
+ if (cap_ib_smi(device, port_num)) {

This would be a lot shorter and simpler to look at if the cap's were
introduced first, then their implementation finalized.

I thought we agreed Doug's bitmask plan should be the final
destination for this series, so this progress seems even stranger?

I would be very happy to see a patch that adds cap_ib_smi to the
current tree and states 'This patch is tested to have no change on the
binary compilation results'

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