From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Steve Wise" Subject: RE: [PATCH rdma-next] Revert "IB/core: Add flow control to the portmapper netlink calls" Date: Wed, 31 May 2017 13:34:09 -0500 Message-ID: <03f901d2da3c$7e0f23a0$7a2d6ae0$@opengridcomputing.com> References: <20170529082423.1180-1-leon@kernel.org> <20170530212431.GA21008@ssaleem-MOBL4.amr.corp.intel.com> <20170531040437.GE5406@mtr-leonro.local> <20170531174245.GA16304@ssaleem-MOBL4.amr.corp.intel.com> <03c501d2da35$d10a22f0$731e68d0$@opengridcomputing.com> <20170531182050.GL5406@mtr-leonro.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170531182050.GL5406-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org> Content-Language: en-us Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: 'Leon Romanovsky' Cc: 'Shiraz Saleem' , 'Doug Ledford' , 'Mustafa Ismail' , 'Faisal Latif' , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, 'Leon Romanovsky' List-Id: linux-rdma@vger.kernel.org > > Hey Leon, > > > > I would hate to introduce an iwarp regression vs solving your issue w/o > > reverting. If I recall, the flow control is need so as to not drop messages > > flowing from the kernel to the iwpmd. I'm not sure how that could be fixed in > > the user daemon? > > Assume that netlink is unreliable and set socket timeout. > > Thanks It seems that netlink is becoming more and more a message API between kernel and user. Wouldn't everyone benefit from make it reliable? And I think we can certainly provide blocking/reliable mode as an option to be used only by those subsystems that require it. Steve -- 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