[openib-general] Re: [PATCH] add cq error events

[Sean Hefty]

Michael S. Tsirkin wrote:
> Okay ... one problem that I've run into adding this, is
> that IB_EVENT_CQ_ERR is the first item in the ib_event_type enum.
> And since uverbs seems to just copy the event over to userspace,
> changing all the enum values would break the ABI.
> 
> Given that IB_EVENT_CQ_ERR wasnt actually produced by any hardware
> provider yet, I'm thinking about working around this by simply giving
> specific values to enum items, like this

Why not keep CQ_ERR as the generic access error, and then add CQ_OVERRUN to the end?

- Sean