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From: Logan Gunthorpe <logang@deltatee.com>
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Date: Mon, 31 Jul 2017 12:04:56 -0600
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On 31/07/17 12:03 PM, Andy Shevchenko wrote:
> 
> Per commit 3a044178cccf they are exactly created for this kind of cases.
> 

Sure, ok, and my patchset provides the same set of functions to satisfy
such a use.

Logan