From mboxrd@z Thu Jan 1 00:00:00 1970 From: leon@kernel.org (Leon Romanovsky) Date: Mon, 15 May 2017 17:36:32 +0300 Subject: Unexpected issues with 2 NVME initiators using the same target In-Reply-To: <9465cd0c-83db-b058-7615-5626ef60dbb0@grimberg.me> References: <809f87ab-b787-9d40-5840-07500d12e81a@mellanox.com> <1948057100.362217696.1491824459274.JavaMail.zimbra@kalray.eu> <33e2cc35-f147-d4a4-9a42-8f1245e35842@mellanox.com> <517fb6d2-a010-1926-b4cb-0e6041722c28@grimberg.me> <82dd5b24-5657-ae5e-8a33-646fddd8b75b@grimberg.me> <20170515133122.GG3616@mtr-leonro.local> <9465cd0c-83db-b058-7615-5626ef60dbb0@grimberg.me> Message-ID: <20170515143632.GH3616@mtr-leonro.local> On Mon, May 15, 2017@04:43:18PM +0300, Sagi Grimberg wrote: > > > > Any update here? Would love to be able to load up the new kernels without patching them every time. :) > > > > > > I would like that too, > > > > > > Max, can you send a patch? or should I? > > > > Sagi, > > > > Max is doing his best to provide a patch, unfortunately he is limited > > by various architecture implications which he needs to resolve before > > sending it. > > Well, he already sent a patch that fixes the issue. > He said that he needs additional optimization for CX5 (which I assume > doesn't need the strong fence), but that still does not change the > fact that CX4 is broken. I asked to include his patch, fix the > existing bug and incrementally optimize CX5. > > What do you mean by architecture implications? it's broken and there is > a request from the community to fix it. Are you suggesting that it > doesn't solve the issue? I understand you and both Max and me are feeling the same as you. For more than 2 months, we constantly (almost on daily basis) asked for a solution from architecture group, but received different answers. The proposals were extremely broad from need for strong fence for all cards to no need for strong fence at all. Thanks > -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: