linux-kernel - Re: [PATCHv1 0/6] rdma controller support

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Message-ID: <20160107210752.GK1898@mtj.duckdns.org>
Date:	Thu, 7 Jan 2016 16:07:52 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Parav Pandit <pandit.parav@...il.com>
Cc:	cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
	lizefan@...wei.com, Johannes Weiner <hannes@...xchg.org>,
	Doug Ledford <dledford@...hat.com>,
	Liran Liss <liranl@...lanox.com>,
	"Hefty, Sean" <sean.hefty@...el.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Jonathan Corbet <corbet@....net>, james.l.morris@...cle.com,
	serge@...lyn.com, Or Gerlitz <ogerlitz@...lanox.com>,
	Matan Barak <matanb@...lanox.com>, raindel@...lanox.com,
	akpm@...ux-foundation.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCHv1 0/6] rdma controller support

On Fri, Jan 08, 2016 at 02:31:26AM +0530, Parav Pandit wrote:
> On Fri, Jan 8, 2016 at 2:20 AM, Tejun Heo <tj@...nel.org> wrote:
> > Ooh, btw, please don't bother to create separate interfaces for v1 and
> > v2 hierarchies.  Just creating one following v2 conventions and using
> > the same thing for v1 should do and is a lot easier for everybody.
> >
> Sure. I have already made that change to remove list.
> and changed rdma.resource.verb.limit to rdma.verb.max etc.
> 
> I will keep rdma.hw.max around until we get some consensus.
> 
> Alternatively I was thinking to merge that as another attribute in
> rdma.max file, like
> 
> mlx4_0 verb ah=max pd=10 qp=10
> mlx4_0 hw ah=10 pd=100
> ocrdma hw ah=10 pd=100
> 
> This remove hw specific extra file for rare feature.

Hmm... if there are duplicate keys, I think rdma.verb.max and
rdma.hw.max would be cleaner.

Thanks.

-- 
tejun