linux-kernel - Re: [PATCH rdma-next 0/7] Introduce KABIs to query UCONTEXT, PD and MR properties

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Message-ID: <73708880-55d0-0f39-9195-9627d0da2d60@dev.mellanox.co.il>
Date:   Wed, 17 Jun 2020 12:20:53 +0300
From:   Yishai Hadas <yishaih@....mellanox.co.il>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Leon Romanovsky <leon@...nel.org>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        Potnuri Bharat Teja <bharat@...lsio.com>,
        Steve Wise <larrystevenwise@...il.com>,
        Yishai Hadas <yishaih@...lanox.com>
Subject: Re: [PATCH rdma-next 0/7] Introduce KABIs to query UCONTEXT, PD and
 MR properties

On 6/17/2020 11:34 AM, Christoph Hellwig wrote:
> On Wed, Jun 17, 2020 at 11:31:38AM +0300, Leon Romanovsky wrote:
>> On Wed, Jun 17, 2020 at 01:29:16AM -0700, Christoph Hellwig wrote:
>>> I think you are talking about UABIs (which in linux we actually call
>>> uapis).
>>
>> Yes, I used Yishai's cover letter as is.
> 

We used in the past the "kABI" notation in the rdma sub system when we 
referred to the ioctl interface that kernel exposes to user space.

See the below [1] from Jason and the below [2] mentioned by Linus as of 
Doug's pull request.

However,
We may better refers to UAPI to make things clearer.

[1] https://patchwork.kernel.org/patch/10226945/
[2] commit 004e390d8133b96485e1ab9af5351c2db4300c63
Merge: 24180a6008ac f45765872e7a
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Thu Feb 22 11:57:39 2018 -0800

     Merge tag 'for-linus' of 
git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

     Pull rdma fixes from Doug Ledford:
      "Nothing in this is overly interesting, it's mostly your garden 
variety
       fixes.

       There was some work in this merge cycle around the new ioctl kABI, so
       there are fixes in here related to that (probably with more to come).


Yishai