Re: [PATCH v2 01/17] IB/Verbs: Implement new callback query_transport() for each HW
From: Jason Gunthorpe
Date: Thu Apr 09 2015 - 12:01:42 EST
On Thu, Apr 09, 2015 at 10:34:30AM -0400, Doug Ledford wrote:
> These are exactly the tests I proposed Jason. I'm not sure I see your
> point here. I guess my point is that although the scenario of all the
> different items seems complex, it really does boil down to needing only
> exactly what I proposed earlier to fulfill the entire test matrix.
I have no problem with minimizing a bitmap, but I want the accessors
to make sense first.
My specific problem with your suggestion was combining cap_ib_mad,
cap_ib_sa, and cap_ib_smi into rdma_port_ib_fabric_mgmt.
Not only do the three cap things not return the same value for all
situations, the documentary knowledge is lost by the reduction.
I'd prefer we look at this from a 'what do the call sites need' view,
not a 'how do we minimize' view.
I've written this before: The mess here is that it is too hard to know
what the call sites are actually checking for when it is some baroque
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