From: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Sean <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: Dennis
<dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@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: Wed, 20 Apr 2016 16:46:57 -0400 [thread overview]
Message-ID: <5717EAC1.6020602@redhat.com> (raw)
In-Reply-To: <1828884A29C6694DAF28B7E6B8A82373AB0439B0-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 870 bytes --]
On 04/19/2016 04:44 PM, Hefty, Sean wrote:
>> Right - and the RDMA uAPI has always had an integrated driver-bypass
>> channel as part of the verb uAPI calls, extending that to allow for
>> new-driver-specific calls seems very natural.
>
> I remain unconvinced that having the equivalent of:
>
> 1 open unrelated-interface
> 2 ioctl open-file
> 3 close unrelated-interface
>
> is desirable. If you want to push for a generic mechanism for mapping NIC resources into user space, then separate that from the device implementation.
>
> Doug, can you weigh in here with your thoughts?
>
Yeah. I've been off working on issues related to 4.6-rc (interfaces
that are DOA). Give me a little bit to catch up on the thread and I'll
weigh in.
--
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
GPG KeyID: 0E572FDD
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 884 bytes --]
next prev parent reply other threads:[~2016-04-20 20:46 UTC|newest]
Thread overview: 85+ 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
2016-04-14 15:41 ` 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
2016-04-14 18:05 ` Jason Gunthorpe
[not found] ` <20160414180540.GA12554-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-14 18:42 ` Dennis Dalessandro
2016-04-14 18:42 ` Dennis Dalessandro
[not found] ` <20160414184200.GA10416-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2016-04-14 18:56 ` Jason Gunthorpe
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
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 17:30 ` 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 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
2016-04-15 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
2016-04-16 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
2016-04-18 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
2016-04-14 18:46 ` Jason Gunthorpe
2016-04-20 20:36 ` 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
2016-04-22 18:38 ` Dennis Dalessandro
[not found] ` <20160422183844.GB21996-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2016-04-26 15:23 ` Jason Gunthorpe
2016-04-26 15:23 ` Jason Gunthorpe
[not found] ` <20160414164550.GC6247-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-18 13:09 ` Christoph Hellwig
2016-04-18 13:09 ` Christoph Hellwig
[not found] ` <20160418130909.GD11508-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-04-18 17:40 ` Jason Gunthorpe
2016-04-18 17:40 ` Jason Gunthorpe
[not found] ` <20160418174047.GB13865-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-18 18:24 ` Christoph Hellwig
2016-04-18 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
2016-04-19 18:40 ` Christoph Hellwig
[not found] ` <20160418182411.GA4904-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-04-19 17:38 ` Jason Gunthorpe
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 [this message]
[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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5717EAC1.6020602@redhat.com \
--to=dledford-h+wxahxf7alqt0dzr+alfa@public.gmane.org \
--cc=dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org \
--cc=jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org \
--cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.