netdev - Re: [PATCH for-next V7 00/10] Move RoCE GID management to IB/Core

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Message-ID: <20150806045335.GC14960@obsidianresearch.com>
Date:	Wed, 5 Aug 2015 22:53:35 -0600
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Matan Barak <matanb@...lanox.com>
Cc:	Or Gerlitz <gerlitz.or@...il.com>,
	Doug Ledford <dledford@...hat.com>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Somnath Kotur <Somnath.Kotur@...gotech.com>,
	Moni Shoua <monis@...lanox.com>,
	"talal@...lanox.com" <talal@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH for-next V7 00/10] Move RoCE GID management to IB/Core

On Sun, Aug 02, 2015 at 10:56:38AM +0300, Matan Barak wrote:

> Indeed this design flaw was introduced when the first legacy verb was
> extended. I think that falling back from extended code to legacy code
> should be in the uverbs code. ib_uverbs_write will return -ENOSYS only
> if both extended and non-extended don't exist. The uverbs command itself
> will call the non-extended form if the comp_mask is zero and all
> data between legacy size and the given size are zero as well.
> What do you think?

Yes, that is what I had expected from day 1.. Didn't notice it in the
first introduction.

Thanks,
Jason
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