linux-kernel - Re: [PATCHv1 6/6] rdmacg: Added documentation for rdma controller.

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Message-ID: <20160107154218.GF29797@mtj.duckdns.org>
Date:	Thu, 7 Jan 2016 10:42:18 -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 6/6] rdmacg: Added documentation for rdma controller.

Hello,

On Thu, Jan 07, 2016 at 05:22:40AM +0530, Parav Pandit wrote:
> I can remove "resource" key word. If just that if something other than
> resource comes up to limit to in future, it will be hard to define at
> that time.

Please remove.  The word doesn't mean anything in this context.

> > Also can't the .max file list
> > the available resources?  Why does it need a separtae list file?
> >
> max file does lists them only after limits are configured for that
> device. Thats when rpool (array of max and usage counts) is allocated.
>
> If user wants to know what all knobs are available, than list file
> exposes them on per device basis without actually mentioning actual
> limit or without allocating rpool arrays.
...
> list file looks like below for two device entries.
> mlx4_0 ah qp mr pd srq flow
> ocrdma0 ah qp mr pd
> 
> max file looks like below.
> mlx4_0 ah=100 qp=40 mr=10 pd=90 srq=10 flow=10

Just always show the settings for all devices in the max file like the
following?

  mlx4_0 ah=max qp=max mr=max pd=max srq=max flow=max
  ocrdma0 ah=max qp=max mr=max pd=max

Thanks.

-- 
tejun
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