Eli> Looks like we all agree that should be better to post
    Eli> commands through doorbells and save the polling o the go
    Eli> bit. Then I can change the patch so that there will be a r/w
    Eli> module parameter to mthca, ON by default, to enable this
    Eli> feature and the user can turn off/on this functionality on
    Eli> the fly by changing the value of this parameter. If we agree
    Eli> on this I'll post a new patch early next week

That makes sense to me.  What workloads benefit from this?  MST
mentioned that some systems and/or workloads get slower -- do you have
any details here?

 - R.
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