I tend to agree that something that is not used shouldn't exist, but
my concern is what is the semantics in the lack of IBV_WC_TSO? You post
IBV_WR_TSO and when you get the completion and happen to look at the
wc->opcode, what would you expect to see?
again, fact is that the application (ipoib) doesn't need it, as you
can see mlx5 even doesn't implement that.
The application should expect a completion of a send, that's it.
It's sort of unprecedented to post IBV_WR_XXX and see IBV_WC_YYY but
I'm on the fence here, I guess we can go either way...
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