From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH v2 00/12] IB: Replace safe uses for ib_get_dma_mr with pd->local_dma_lkey Date: Wed, 5 Aug 2015 17:19:10 -0700 Message-ID: <55C2A7FE.7020904@sandisk.com> References: <1438298547-21404-1-git-send-email-jgunthorpe@obsidianresearch.com> <55BBF4B8.2050700@sandisk.com> <20150803152420.GA24193@infradead.org> <55BFB40F.8000500@sandisk.com> <20150804180933.GB5038@obsidianresearch.com> <1438756876.5698.2.camel@haswell.thedillows.org> <20150805195122.GA31595@obsidianresearch.com> <55C2840C.5050301@sandisk.com> <55C2912A.50709@sandisk.com> <20150806001006.GD2483@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20150806001006.GD2483-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jason Gunthorpe Cc: David Dillow , Christoph Hellwig , Doug Ledford , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On 08/05/2015 05:10 PM, Jason Gunthorpe wrote: > On Wed, Aug 05, 2015 at 03:41:46PM -0700, Bart Van Assche wrote: >> Regarding the discussion in 2011 about FMR >> (http://thread.gmane.org/gmane.linux.drivers.rdma/7149): since in 2011 >> nobody recalled the root cause of the issue with non-page aligned FMR my >> proposal is to drop the page alignment check and if any issues occur to >> introduce a blacklist for the SRP target devices that have trouble with >> this. > > Nice find, that sounds like a solid plan. > > That looks like it leaves only the srp_map_data flow and the error case > flow in srp_map_sg as remaining problems for the rkey patch? Any > thoughts on adressing those? Hello Jason, A few experimental and untested patches are available for review at https://github.com/bvanassche/linux/tree/srp-initiator-for-next-experimental. Bart. -- 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