Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:36365 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751420AbbGJWaW (ORCPT ); Fri, 10 Jul 2015 18:30:22 -0400 Message-ID: <55A04779.6080201@redhat.com> Date: Fri, 10 Jul 2015 18:30:17 -0400 From: Doug Ledford MIME-Version: 1.0 To: Tom Talpey , Jason Gunthorpe CC: "'Christoph Hellwig'" , Sagi Grimberg , Steve Wise , sagig@mellanox.com, ogerlitz@mellanox.com, roid@mellanox.com, linux-rdma@vger.kernel.org, eli@mellanox.com, target-devel@vger.kernel.org, linux-nfs@vger.kernel.org, trond.myklebust@primarydata.com, bfields@fieldses.org, Oren Duer Subject: Re: [PATCH V3 1/5] RDMA/core: Transport-independent access flags References: <20150707161751.GA623@obsidianresearch.com> <559BFE03.4020709@dev.mellanox.co.il> <20150707213628.GA5661@obsidianresearch.com> <559CD174.4040901@dev.mellanox.co.il> <20150708190842.GB11740@obsidianresearch.com> <20150708203205.GA21847@infradead.org> <20150709000337.GE16812@obsidianresearch.com> <559EF332.7060103@redhat.com> <20150709225306.GA30741@obsidianresearch.com> <559FC710.1050307@talpey.com> <20150710161108.GA19042@obsidianresearch.com> <55A00754.4010009@redhat.com> <55A01225.9000000@talpey.com> In-Reply-To: <55A01225.9000000@talpey.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="efGwjwxgr24V1itLNu41345x8vNxn2UAG" Sender: linux-nfs-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --efGwjwxgr24V1itLNu41345x8vNxn2UAG Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 07/10/2015 02:42 PM, Tom Talpey wrote: > However, it's an extremely bad idea to codify writable privileged rmr's= > in the API as best practice. So under no circumstance should that becom= e > the long term plan. Agree 100%. Which is why I requested a big warning in the dmesg output that pointed a big, accusatory finger at the offending module with the long term goal of reforming the memory registration models to a method that eliminates this problem in the kernel. --=20 Doug Ledford GPG KeyID: 0E572FDD --efGwjwxgr24V1itLNu41345x8vNxn2UAG 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/ iQIcBAEBCAAGBQJVoEd5AAoJELgmozMOVy/dF3cQAJU6aH5cHEKhFA6iwUlcZhZ8 +Wer68w1fuYslUQSeGZ+9UQ3ewWy+T5rkT51QibryiZSXuqWcNrQJ2GErNowwb/F kK3WjKwI+26mSA3lOU7xHOTB8ZJEvzmA6bemOiKz7D3/rrYRvwEf54qaQqifyY7A 1uLleycCFSzumiFPku1qfwQtvyXLEkpvBLDmn022lvRo24+QSVpXFWnumHgf684R 1vpXeq1blTKakMwiHu18nmiMtuulhK6EH+8AD9lsNuhn+qMmgXhNPQwD7pZAE/10 5kL+Kg2ohw6CqWK9+XVzSXVLRJ02AFTrNa+M2XWACaSW/kZHZO2UW+3zCMWICEcL e5PbUAhCszLFw6eMzQgTkYsguVL/g0gym9gd2UHMhOmRFvR09s8suilieqP5sryx RbL1iV7UWJ6tjh4oXYK7/7gC6CAPKuoeh4Rix2tAWU6AEDaD3RvDZZ8ctcMl6WZY RGFTN8tNyVofMaP2CbtH4ymo1tkLszJywZ5Xaup5iW4FtT01XUzgd0Ml4jFlA0o6 aQoMob2T7q+iD1rNJinFviKH0imosM5RULdTVK24NcggeHZxi+1d+Hf6uozjqhrY 5n/6f/O05YrHtAx63tHSJIzy0t+l2Kk7Ru2VBCv34ARzZpgmlwgHjOPC2tGUwpb2 crSvEE5lpZUd31n1smXp =Yp3g -----END PGP SIGNATURE----- --efGwjwxgr24V1itLNu41345x8vNxn2UAG--