From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: [PATCH for-4.3] IB/ipoib: add module option for auto-creating mcast groups Date: Fri, 11 Sep 2015 15:41:46 -0400 Message-ID: <55F32E7A.3020105@redhat.com> References: <980e8b0a82042d7e5801e02bf16fe72a0bde6759.1441934465.git.dledford@redhat.com> <20150911182115.GA546@obsidianresearch.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="lv0has5hPco223G6Q88hO8qHRqI08UfpN" Return-path: In-Reply-To: <20150911182115.GA546-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jason Gunthorpe , Christoph Lameter Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Or Gerlitz List-Id: linux-rdma@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --lv0has5hPco223G6Q88hO8qHRqI08UfpN Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 09/11/2015 02:21 PM, Jason Gunthorpe wrote: > On Fri, Sep 11, 2015 at 09:40:25AM -0500, Christoph Lameter wrote: >> On Thu, 10 Sep 2015, Doug Ledford wrote: >> >>> + * 1) ifdown/ifup >>> + * 2) a regular mcast join/leave happens and we run >>> + * ipoib_mcast_restart_task >>> + * 3) a REREGISTER event comes in from the SM >>> + * 4) any other event that might cause a mcast flush >> >> Could we have a timeout and leave the multicast group on process >> exit? >=20 > At a minimum, when the socket that did the send closes the send-only > could be de-refed.. If we kept a ref count, but we don't. Tracking this is not a small chang= e. > But really send-only in IB is very similar to neighbour discovery, and > should work the same, with a timer, etc. In my mind it would be ideal > to even add them to the ND table, if the core would support that.. >=20 > Jason > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" i= n > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >=20 --=20 Doug Ledford GPG KeyID: 0E572FDD --lv0has5hPco223G6Q88hO8qHRqI08UfpN 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/ iQIcBAEBCAAGBQJV8y56AAoJELgmozMOVy/do3YP+wbmOQ+K330ssGFjcYUJGjL2 7xpPCdWzHNjpmHgxW19c+3uzx7rJ8YUqAq2mhYpDrYbCo2Y4rwLL0ADU7wsing3R 0H4bl1NllTIRyQBwnq/IIEmMiGmB7MMyq9/kqxtTS3U7Sc5vaaKQLxXg/9FDuZr/ 2K94JDQPP5fR2SY6tPAo9Hz/qXIcx48wdjmfPu6FSdHuybdWoQyFHwRMjnAAU1So tGmqkgDQIqPixiyklF8vjaNn52ykxugVAdWOUqJNF41Gc6B/xAAYkYL6RI+lFxG+ Jm1OnSyrxxn5J6LBCAaOnMJsGl3cdeSWsUdLi9bevaOKbyeRbFhxvHxWOfoxWQCr kjw+as0pEOaGE/C3RAuohFurrXOnoQJxQ26gqRa8MKsaznI3n0x0K8dRjrQIzJS4 IZ4INsI/hB48L8bDextsuC7+P2JSY1dHdUrZulQhCWhA7jiy4ckm5qMBzKupOYVy 11tCSLwnmSszt1Fz6PSm5zmdM6fBeEABHXCOCpofRgSfb2aILS9R8diktbenuRJL irshAk2waxd9oORUi4whuEAOmO+ZwpMlefkKMVozwCZA6yWl4DYIqSUk3J29uFoP SHiIvvtX4SREW9lBJad7Z7RNeU/m1OL7MYpAud3AdKwZ09dmcTCLiUbynSfqRUq7 ZI3K0I+zQE8dFoB8t+Hd =zgZ1 -----END PGP SIGNATURE----- --lv0has5hPco223G6Q88hO8qHRqI08UfpN-- -- 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