From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH v3 for-next 02/33] IB/core: Add kref to IB devices Date: Tue, 28 Apr 2015 10:03:15 -0600 Message-ID: <20150428160315.GA5497@obsidianresearch.com> References: <1427318422-12004-1-git-send-email-somnath.kotur@emulex.com> <9f65de5e-ed5f-48d2-bff2-03ffbe4f4876@CMEXHTCAS2.ad.emulex.com> <553DF294.4070507@mellanox.com> <20150427162256.GA24316@obsidianresearch.com> <553F4588.80301@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <553F4588.80301-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matan Barak Cc: Or Gerlitz , Somnath Kotur , Roland Dreier , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On Tue, Apr 28, 2015 at 11:32:08AM +0300, Matan Barak wrote: > This was already asked by Haggai Eran awhile ago and was answered. > Anyway, in ib_unregister_device we delete all client's related data. > We would like to ensure that all references were released before this > data is being deleted. Meaning, we would like to ensure the device > is still functioning but isn't referenced rather than just to avoid > freeing the IB device's memory. A kref is the wrong datastructure for that purpose. Jason -- 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