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

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Message-ID: <CAG53R5XZfhgZh325=SQyNJr=Cz=AB_ay=Np6Cbm5kh4PSCfpQw@mail.gmail.com>
Date:	Fri, 8 Jan 2016 02:40:02 +0530
From:	Parav Pandit <pandit.parav@...il.com>
To:	Tejun Heo <tj@...nel.org>
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 8, 2016 at 2:37 AM, Tejun Heo <tj@...nel.org> wrote:
> 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.
>
ok. I agree. I will keep as you described.

> Thanks.
>
> --
> tejun