From: Leon Romanovsky <leon-2ukJVAZIZ/Y@public.gmane.org>
To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
"Weiny, Ira" <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Dalessandro,
Dennis"
<dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
<dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 0/7] IB/hfi1: Remove write() and use ioctl() for user access
Date: Sat, 16 Apr 2016 00:14:31 +0300 [thread overview]
Message-ID: <20160415211431.GE10689@leon.nu> (raw)
In-Reply-To: <1828884A29C6694DAF28B7E6B8A82373AB042530-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
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On Fri, Apr 15, 2016 at 09:04:26PM +0000, Hefty, Sean wrote:
> The RDMA stack currently allows drivers to export their own interfaces directly to user space. At this point, I see no reason why we should block a driver for following what has been an acceptable practice for years. Dennis fixed the write/writev issue, which would make the hfi1 driver the only device in the RDMA tree with an acceptable interface.
>
> If the RDMA "community" defines the ultimate ioctl interface ever created, great. Every driver added after that interface has been defined and merged can be forced to use it.
Why do you think that ioctl interface is the only one which is
"acceptable"? Did you consider netdev? What about netdev macros +
ioctls?
>
> - Sean
> --
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next prev parent reply other threads:[~2016-04-15 21:14 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-14 15:41 [PATCH 0/7] IB/hfi1: Remove write() and use ioctl() for user access Dennis Dalessandro
[not found] ` <20160414153727.6387.96381.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org>
2016-04-14 15:41 ` [PATCH 1/7] IB/hfi1: Export drivers user sw version via sysfs Dennis Dalessandro
2016-04-18 13:05 ` Christoph Hellwig
2016-04-14 15:41 ` [PATCH 2/7] IB/hfi1: Remove unused user command Dennis Dalessandro
2016-04-18 13:05 ` Christoph Hellwig
2016-04-14 15:41 ` [PATCH 3/7] IB/hfi1: Add ioctl() interface for user commands Dennis Dalessandro
2016-04-14 15:41 ` [PATCH 4/7] IB/hfi1: Remove write(), use ioctl() for user cmds Dennis Dalessandro
2016-04-14 15:42 ` [PATCH 5/7] IB/hfi1: Add trace message in user IOCTL handling Dennis Dalessandro
2016-04-14 15:42 ` [PATCH 6/7] IB/hfi1: Consolidate IOCTL defines Dennis Dalessandro
2016-04-14 15:42 ` [PATCH 7/7] IB/hfi1: Move eprom to its own device Dennis Dalessandro
2016-04-14 16:45 ` [PATCH 0/7] IB/hfi1: Remove write() and use ioctl() for user access Jason Gunthorpe
2016-04-14 17:48 ` Ira Weiny
[not found] ` <20160414174830.GA11641-no5AT4YuGWKtqXYlAKuG4QC/G2K4zDHf@public.gmane.org>
2016-04-14 18:05 ` Jason Gunthorpe
[not found] ` <20160414180540.GA12554-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-14 18:42 ` Dennis Dalessandro
[not found] ` <20160414184200.GA10416-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2016-04-14 18:56 ` Jason Gunthorpe
[not found] ` <20160414185659.GB12997-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-14 20:01 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB041C34-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-14 20:35 ` Woodruff, Robert J
2016-04-14 21:27 ` Jason Gunthorpe
[not found] ` <20160414212702.GA14137-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-15 0:02 ` Ira Weiny
[not found] ` <20160415000242.GA18400-no5AT4YuGWKtqXYlAKuG4QC/G2K4zDHf@public.gmane.org>
2016-04-15 0:30 ` Hefty, Sean
2016-04-15 4:41 ` Jason Gunthorpe
[not found] ` <20160415044124.GA16805-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-15 17:30 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB0422AE-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-15 18:18 ` Jason Gunthorpe
[not found] ` <20160415181811.GA22322-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-15 21:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB042530-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-15 21:14 ` Leon Romanovsky [this message]
2016-04-15 22:03 ` Jason Gunthorpe
[not found] ` <20160415220340.GB24204-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-16 16:22 ` Ira Weiny
2016-04-18 17:55 ` Jason Gunthorpe
[not found] ` <20160418175559.GC13865-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-18 18:15 ` Dennis Dalessandro
[not found] ` <20160418181535.GB7596-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2016-04-18 18:24 ` Jason Gunthorpe
[not found] ` <20160418182453.GA14930-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-19 1:36 ` Dennis Dalessandro
[not found] ` <20160419013649.GA28612-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2016-04-19 17:35 ` Jason Gunthorpe
2016-04-14 21:08 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB041C90-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-14 21:40 ` Jason Gunthorpe
2016-04-15 4:01 ` Leon Romanovsky
2016-04-15 16:17 ` Ira Weiny
2016-04-15 17:30 ` Leon Romanovsky
2016-04-15 17:34 ` Christoph Hellwig
2016-04-15 17:44 ` Woodruff, Robert J
2016-04-15 21:03 ` Leon Romanovsky
[not found] ` <20160415173401.GA10868-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-04-15 17:46 ` Hefty, Sean
2016-04-15 21:23 ` Leon Romanovsky
[not found] ` <20160415212328.GF10689-2ukJVAZIZ/Y@public.gmane.org>
2016-04-15 23:28 ` Ira Weiny
2016-04-16 6:09 ` Leon Romanovsky
[not found] ` <20160416060940.GB6349-2ukJVAZIZ/Y@public.gmane.org>
2016-04-16 15:29 ` Dennis Dalessandro
2016-04-15 23:37 ` Jason Gunthorpe
2016-04-16 6:00 ` Leon Romanovsky
2016-04-16 19:19 ` Al Viro
[not found] ` <20160416191917.GY25498-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2016-04-18 12:00 ` Dennis Dalessandro
2016-04-14 17:52 ` Dennis Dalessandro
[not found] ` <20160414175243.GA9310-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2016-04-14 18:46 ` Jason Gunthorpe
2016-04-20 20:36 ` Jason Gunthorpe
[not found] ` <20160420203616.GA28991-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-22 18:38 ` Dennis Dalessandro
[not found] ` <20160422183844.GB21996-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2016-04-26 15:23 ` Jason Gunthorpe
[not found] ` <20160414164550.GC6247-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-18 13:09 ` Christoph Hellwig
[not found] ` <20160418130909.GD11508-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-04-18 17:40 ` Jason Gunthorpe
[not found] ` <20160418174047.GB13865-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-18 18:24 ` Christoph Hellwig
2016-04-19 3:45 ` Ira Weiny
[not found] ` <20160419034548.GG27515-MvMViLc3Pe+yjJhlop0iC9h3ngVCH38I@public.gmane.org>
2016-04-19 18:40 ` Christoph Hellwig
[not found] ` <20160418182411.GA4904-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-04-19 17:38 ` Jason Gunthorpe
[not found] ` <20160419173817.GF20844-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-19 20:44 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB0439B0-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-19 21:38 ` Jason Gunthorpe
2016-04-20 20:46 ` Doug Ledford
[not found] ` <5717EAC1.6020602-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-04-26 13:05 ` Doug Ledford
[not found] ` <571F6795.8020808-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-04-26 15:21 ` Jason Gunthorpe
2016-04-27 5:21 ` Weiny, Ira
[not found] ` <2807E5FD2F6FDA4886F6618EAC48510E22EC6A98-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-27 14:45 ` Doug Ledford
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