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From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
Cc: 'Leon Romanovsky' <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	'Yishai Hadas'
	<yishaih-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
	'Doug Ledford' <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	'linux-rdma' <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	'Yishai Hadas' <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	'Matan Barak' <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	'Majd Dibbiny' <majd-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	talal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org
Subject: Re: Upcoming libibverbs release
Date: Tue, 28 Jun 2016 15:14:41 -0600	[thread overview]
Message-ID: <20160628211441.GA5786@obsidianresearch.com> (raw)
In-Reply-To: <022001d1d170$fda2c3e0$f8e84ba0$@opengridcomputing.com>

On Tue, Jun 28, 2016 at 02:12:19PM -0500, Steve Wise wrote:

> I haven't been following this (long) thread closely enough, but I hope any new
> functionality is not _breaking_ existing applications from using _currently
> supported_ providers?  I thought all this CQ accessor cruft was backwards
> compatible.  Perhaps I'm wrong?

As merged, the new API simply does not work without provider support.

The old API keeps working of course.

The fundamental question is if it is acceptable for libibverbs to ship
a new core provider agnostic API (cq polling) that is optional
depending on provider.

I say no, that is not acceptable.

Jason
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  reply	other threads:[~2016-06-28 21:14 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-23 16:51 Upcoming libibverbs release Doug Ledford
     [not found] ` <3b89c411-72be-ddc5-5ebf-009eeee29692-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-24 11:50   ` Yishai Hadas
2016-06-26 16:54   ` Yishai Hadas
     [not found]     ` <4ec1d8e6-a908-bb49-a137-415856ec6faa-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-06-27 18:17       ` Jason Gunthorpe
     [not found]         ` <20160627181758.GD23540-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-28  5:02           ` Leon Romanovsky
     [not found]             ` <20160628050246.GB3584-2ukJVAZIZ/Y@public.gmane.org>
2016-06-28 15:52               ` Knut Omang
     [not found]                 ` <1467129133.8638.75.camel-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2016-06-28 16:22                   ` Leon Romanovsky
2016-06-28 16:20               ` Jason Gunthorpe
     [not found]                 ` <20160628162028.GA27518-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-28 17:05                   ` Leon Romanovsky
     [not found]                     ` <20160628170549.GE3584-2ukJVAZIZ/Y@public.gmane.org>
2016-06-28 19:12                       ` Steve Wise
2016-06-28 21:14                         ` Jason Gunthorpe [this message]
     [not found]                           ` <20160628211441.GA5786-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-28 21:26                             ` Hefty, Sean
     [not found]                               ` <1828884A29C6694DAF28B7E6B8A82373AB0663DA-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-06-29  5:19                                 ` Leon Romanovsky
     [not found]                                   ` <20160629051956.GG3584-2ukJVAZIZ/Y@public.gmane.org>
2016-06-29 18:30                                     ` Jason Gunthorpe
     [not found]                                       ` <20160629183042.GC17031-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-30 18:17                                         ` Liran Liss
     [not found]                                           ` <HE1PR05MB14189E07EE8EE458E0CCD4DAB1240-eBadYZ65MZ87O8BmmlM1zNqRiQSDpxhJvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-06-30 19:07                                             ` Jason Gunthorpe
2016-07-19 19:57                                         ` Doug Ledford
     [not found]                                           ` <babed655-b61f-e97b-2351-b1ea6692b18d-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-19 20:09                                             ` Jason Gunthorpe
2016-06-28 21:18                       ` Jason Gunthorpe
     [not found]                         ` <20160628211858.GB5786-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-29  5:15                           ` Leon Romanovsky
     [not found]                             ` <20160629051507.GF3584-2ukJVAZIZ/Y@public.gmane.org>
2016-06-29 17:07                               ` Knut Omang
     [not found]                                 ` <1467220072.8638.166.camel-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2016-06-29 18:59                                   ` Yishai Hadas
2016-06-29 12:09                           ` Christoph Hellwig
     [not found]                             ` <20160629120920.GA24151-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-06-29 18:34                               ` Jason Gunthorpe
     [not found]                                 ` <20160629183414.GD17031-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-29 18:46                                   ` Steve Wise
2016-06-29 18:57                                     ` Jason Gunthorpe
     [not found]                                       ` <20160629185757.GA17839-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-29 19:15                                         ` Steve Wise
2016-06-29 19:21                                           ` Hefty, Sean
     [not found]                                             ` <1828884A29C6694DAF28B7E6B8A82373AB06699A-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-06-29 19:25                                               ` Steve Wise
2016-06-29 20:34                                                 ` Hefty, Sean
     [not found]                                                   ` <1828884A29C6694DAF28B7E6B8A82373AB0669F5-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-06-29 20:44                                                     ` Steve Wise
2016-06-29 20:54                                                     ` Steve Wise
2016-06-29 21:40                                                       ` Doug Ledford
     [not found]                                                         ` <1d03eaca-142a-3912-badf-aa9b14f6b2f6-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-29 22:03                                                           ` Steve Wise
2016-06-29 19:27                                           ` Jason Gunthorpe
     [not found]                                             ` <20160629192730.GA18394-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-29 20:40                                               ` Doug Ledford
2016-06-28 13:26           ` Yishai Hadas

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