From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: [PATCH 0/7] IB/hfi1: Remove write() and use ioctl() for user access Date: Wed, 20 Apr 2016 16:46:57 -0400 Message-ID: <5717EAC1.6020602@redhat.com> References: <20160414153727.6387.96381.stgit@scvm10.sc.intel.com> <20160414164550.GC6247@obsidianresearch.com> <20160418130909.GD11508@infradead.org> <20160418174047.GB13865@obsidianresearch.com> <20160418182411.GA4904@infradead.org> <20160419173817.GF20844@obsidianresearch.com> <1828884A29C6694DAF28B7E6B8A82373AB0439B0@ORSMSX109.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="x5sHkOIIUt0wfa6DalUWqlgcDawMTPa1A" Return-path: In-Reply-To: <1828884A29C6694DAF28B7E6B8A82373AB0439B0-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sean , Jason Gunthorpe , Christoph Hellwig Cc: Dennis , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --x5sHkOIIUt0wfa6DalUWqlgcDawMTPa1A Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable 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. >=20 > I remain unconvinced that having the equivalent of: >=20 > 1 open unrelated-interface > 2 ioctl open-file > 3 close unrelated-interface >=20 > is desirable. If you want to push for a generic mechanism for mapping = NIC resources into user space, then separate that from the device impleme= ntation. >=20 > Doug, can you weigh in here with your thoughts? >=20 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. --=20 Doug Ledford GPG KeyID: 0E572FDD --x5sHkOIIUt0wfa6DalUWqlgcDawMTPa1A Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJXF+rBAAoJELgmozMOVy/dNusP/301iLcL91serK2DQzQMsDC4 HNXTtAK9dYqOQ4RkgRK9Mjez0nq8oNCc3BM0huttR83HwfUgQmnGStETj95ZhCdw s03UEq+747ykjpZz3R0N+2V0X97z5lPx/wOJ3+gM1anTShZclhQsBd3yq6LW1V/f lgsJaHY2V9B9vw4v0aIOnvgkq2sgp+lqc2eB2cABLYDepYLMLGtMkjfGYL/SLArJ H05k1nWmzD7RQm2RSWs/xLMw/1fxYGOmEKBUgVrUuoNpon2Uie5qwHoXSCH//Jkk eKAR/vKMtdvuEji7NopglJtTZEjc0I8v0SVWzHx9wxB0bF03YXZvQmvJxYsiYz5V rOHSuCbr1eno+L0/glSc715CkyCBT9tOAfpIQHyxWwOfvcdd+f24rvD5kuIvjZCu IButw8TrrzfUNKfeVvmOc+1TDx0fVoWtlFbfVaIhE9VTv5dQS3Hrmr5aX2uV2G2p 1/AgETr+chGgILdER0DKJO1yF72fo+yMY5MB513aFNVdq/SVTrvEegc1WWkuKr8E vhAIqhB7k2/inMa35y8s71w++Y3vPunIl2NbvwuxUhniMpId7Ip/YUBbrIGyXh+h GsdeIoHf36a3o1vLv4EDcrQJNTj4gfqoQrcMyL5xaJgylmO76seE2TMxcrjnua+4 H8stVHdh7jeWdsm3yy7a =wdrq -----END PGP SIGNATURE----- --x5sHkOIIUt0wfa6DalUWqlgcDawMTPa1A-- -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html