From: hch@infradead.org (Christoph Hellwig)
Subject: Unexpected issues with 2 NVME initiators using the same target
Date: Mon, 15 May 2017 07:59:52 -0700 [thread overview]
Message-ID: <20170515145952.GA7871@infradead.org> (raw)
In-Reply-To: <20170515143632.GH3616@mtr-leonro.local>
On Mon, May 15, 2017@05:36:32PM +0300, Leon Romanovsky wrote:
> 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.
So let's get the patch to do a strong fence everywhere now, and relax
it later where possible.
Correntness before speed..
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>,
"Gruher,
Joseph R"
<joseph.r.gruher-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Max Gurtovoy <maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Marta Rybczynska
<mrybczyn-FNhOzJFKnXGHXe+LvDLADg@public.gmane.org>,
"shahar.salzman"
<shahar.salzman-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Laurence Oberman
<loberman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Riches Jr,
Robert M"
<robert.m.riches.jr-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Robert LeBlanc <robert-4JaGZRWAfWbajFs6igw21g@public.gmane.org>,
"linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: Unexpected issues with 2 NVME initiators using the same target
Date: Mon, 15 May 2017 07:59:52 -0700 [thread overview]
Message-ID: <20170515145952.GA7871@infradead.org> (raw)
In-Reply-To: <20170515143632.GH3616-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
On Mon, May 15, 2017 at 05:36:32PM +0300, Leon Romanovsky wrote:
> 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.
So let's get the patch to do a strong fence everywhere now, and relax
it later where possible.
Correntness before speed..
--
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next prev parent reply other threads:[~2017-05-15 14:59 UTC|newest]
Thread overview: 171+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-21 19:38 Unexpected issues with 2 NVME initiators using the same target shahar.salzman
2017-02-21 22:50 ` Sagi Grimberg
2017-02-21 22:50 ` Sagi Grimberg
2017-02-22 16:52 ` Laurence Oberman
2017-02-22 16:52 ` Laurence Oberman
2017-02-22 19:39 ` Sagi Grimberg
2017-02-22 19:39 ` Sagi Grimberg
2017-02-26 8:03 ` shahar.salzman
2017-02-26 8:03 ` shahar.salzman
2017-02-26 17:58 ` Gruher, Joseph R
2017-02-27 20:33 ` Sagi Grimberg
2017-02-27 20:33 ` Sagi Grimberg
2017-02-27 20:57 ` Gruher, Joseph R
2017-03-05 18:23 ` Leon Romanovsky
2017-03-06 0:07 ` Max Gurtovoy
2017-03-06 11:28 ` Sagi Grimberg
2017-03-06 11:28 ` Sagi Grimberg
2017-03-07 9:27 ` Max Gurtovoy
2017-03-07 13:41 ` Sagi Grimberg
2017-03-07 13:41 ` Sagi Grimberg
2017-03-09 12:18 ` shahar.salzman
2017-03-09 12:18 ` shahar.salzman
2017-03-12 12:33 ` Vladimir Neyelov
2017-03-13 9:43 ` Sagi Grimberg
2017-03-13 9:43 ` Sagi Grimberg
2017-03-14 8:55 ` Max Gurtovoy
2017-03-14 19:57 ` Gruher, Joseph R
2017-03-14 23:42 ` Gruher, Joseph R
2017-03-16 0:03 ` Gruher, Joseph R
2017-03-17 18:37 ` Gruher, Joseph R
2017-03-17 19:49 ` Max Gurtovoy
[not found] ` <DE927C68B458BE418D582EC97927A928550391C2@ORSMSX113.amr.corp.intel.com>
2017-03-24 18:30 ` Gruher, Joseph R
2017-03-27 14:17 ` Max Gurtovoy
2017-03-27 15:39 ` Gruher, Joseph R
2017-03-28 8:38 ` Max Gurtovoy
2017-03-28 10:21 ` shahar.salzman
2017-03-28 11:34 ` Sagi Grimberg
2017-03-28 11:34 ` Sagi Grimberg
2017-04-10 11:40 ` Marta Rybczynska
2017-04-10 11:40 ` Marta Rybczynska
2017-04-10 14:09 ` Max Gurtovoy
2017-04-11 12:47 ` Marta Rybczynska
2017-04-11 12:47 ` Marta Rybczynska
2017-04-20 10:18 ` Sagi Grimberg
2017-04-20 10:18 ` Sagi Grimberg
2017-04-26 11:56 ` Max Gurtovoy
2017-04-26 14:45 ` Sagi Grimberg
2017-04-26 14:45 ` Sagi Grimberg
2017-05-12 19:20 ` Gruher, Joseph R
2017-05-15 12:00 ` Sagi Grimberg
2017-05-15 12:00 ` Sagi Grimberg
2017-05-15 13:31 ` Leon Romanovsky
2017-05-15 13:31 ` Leon Romanovsky
2017-05-15 13:43 ` Sagi Grimberg
2017-05-15 13:43 ` Sagi Grimberg
2017-05-15 14:36 ` Leon Romanovsky
2017-05-15 14:36 ` Leon Romanovsky
2017-05-15 14:59 ` Christoph Hellwig [this message]
2017-05-15 14:59 ` Christoph Hellwig
2017-05-15 17:05 ` Leon Romanovsky
2017-05-15 17:05 ` Leon Romanovsky
2017-05-17 12:56 ` Marta Rybczynska
2017-05-17 12:56 ` Marta Rybczynska
2017-05-18 13:34 ` Leon Romanovsky
2017-05-18 13:34 ` Leon Romanovsky
2017-06-19 17:21 ` Robert LeBlanc
2017-06-19 17:21 ` Robert LeBlanc
2017-06-20 6:39 ` Sagi Grimberg
2017-06-20 6:39 ` Sagi Grimberg
2017-06-20 7:46 ` Leon Romanovsky
2017-06-20 7:46 ` Leon Romanovsky
2017-06-20 7:58 ` Sagi Grimberg
2017-06-20 7:58 ` Sagi Grimberg
2017-06-20 8:33 ` Leon Romanovsky
2017-06-20 8:33 ` Leon Romanovsky
2017-06-20 9:33 ` Sagi Grimberg
2017-06-20 9:33 ` Sagi Grimberg
2017-06-20 10:31 ` Max Gurtovoy
2017-06-20 22:58 ` Robert LeBlanc
2017-06-20 22:58 ` Robert LeBlanc
2017-06-27 7:16 ` Sagi Grimberg
2017-06-27 7:16 ` Sagi Grimberg
2017-06-20 12:02 ` Sagi Grimberg
2017-06-20 12:02 ` Sagi Grimberg
2017-06-20 13:28 ` Max Gurtovoy
2017-06-20 17:01 ` Chuck Lever
2017-06-20 17:01 ` Chuck Lever
2017-06-20 17:12 ` Sagi Grimberg
2017-06-20 17:12 ` Sagi Grimberg
2017-06-20 17:35 ` Jason Gunthorpe
2017-06-20 17:35 ` Jason Gunthorpe
2017-06-20 18:17 ` Chuck Lever
2017-06-20 18:17 ` Chuck Lever
2017-06-20 19:27 ` Jason Gunthorpe
2017-06-20 19:27 ` Jason Gunthorpe
2017-06-20 20:56 ` Chuck Lever
2017-06-20 20:56 ` Chuck Lever
2017-06-20 21:19 ` Jason Gunthorpe
2017-06-20 21:19 ` Jason Gunthorpe
2017-06-27 7:37 ` Sagi Grimberg
2017-06-27 7:37 ` Sagi Grimberg
2017-06-27 14:42 ` Chuck Lever
2017-06-27 14:42 ` Chuck Lever
2017-06-27 16:07 ` Sagi Grimberg
2017-06-27 16:07 ` Sagi Grimberg
2017-06-27 16:28 ` Jason Gunthorpe
2017-06-27 16:28 ` Jason Gunthorpe
2017-06-28 7:03 ` Sagi Grimberg
2017-06-28 7:03 ` Sagi Grimberg
2017-06-27 16:28 ` Chuck Lever
2017-06-27 16:28 ` Chuck Lever
2017-06-28 7:08 ` Sagi Grimberg
2017-06-28 7:08 ` Sagi Grimberg
2017-06-28 16:11 ` Chuck Lever
2017-06-28 16:11 ` Chuck Lever
2017-06-29 5:35 ` Sagi Grimberg
2017-06-29 5:35 ` Sagi Grimberg
2017-06-29 14:55 ` Chuck Lever
2017-06-29 14:55 ` Chuck Lever
2017-07-02 9:45 ` Sagi Grimberg
2017-07-02 9:45 ` Sagi Grimberg
2017-07-02 18:17 ` Chuck Lever
2017-07-02 18:17 ` Chuck Lever
2017-07-09 16:47 ` Jason Gunthorpe
2017-07-09 16:47 ` Jason Gunthorpe
2017-07-10 19:03 ` Chuck Lever
2017-07-10 19:03 ` Chuck Lever
2017-07-10 20:05 ` Jason Gunthorpe
2017-07-10 20:05 ` Jason Gunthorpe
2017-07-10 20:51 ` Chuck Lever
2017-07-10 20:51 ` Chuck Lever
2017-07-10 21:14 ` Jason Gunthorpe
2017-07-10 21:14 ` Jason Gunthorpe
2017-07-10 21:24 ` Jason Gunthorpe
2017-07-10 21:24 ` Jason Gunthorpe
2017-07-10 21:29 ` Chuck Lever
2017-07-10 21:29 ` Chuck Lever
2017-07-10 21:32 ` Jason Gunthorpe
2017-07-10 21:32 ` Jason Gunthorpe
2017-07-10 22:04 ` Chuck Lever
2017-07-10 22:04 ` Chuck Lever
2017-07-10 22:09 ` Jason Gunthorpe
2017-07-10 22:09 ` Jason Gunthorpe
2017-07-11 3:57 ` Chuck Lever
2017-07-11 3:57 ` Chuck Lever
2017-07-11 13:23 ` Tom Talpey
2017-07-11 13:23 ` Tom Talpey
2017-07-11 14:55 ` Chuck Lever
2017-07-11 14:55 ` Chuck Lever
2017-06-27 18:08 ` Bart Van Assche
2017-06-27 18:08 ` Bart Van Assche
2017-06-27 18:14 ` Jason Gunthorpe
2017-06-27 18:14 ` Jason Gunthorpe
2017-06-28 7:16 ` Sagi Grimberg
2017-06-28 7:16 ` Sagi Grimberg
2017-06-28 9:43 ` Bart Van Assche
2017-06-28 9:43 ` Bart Van Assche
2017-06-20 17:08 ` Robert LeBlanc
2017-06-20 17:08 ` Robert LeBlanc
2017-06-20 17:19 ` Sagi Grimberg
2017-06-20 17:19 ` Sagi Grimberg
2017-06-20 17:28 ` Robert LeBlanc
2017-06-20 17:28 ` Robert LeBlanc
2017-06-27 7:22 ` Sagi Grimberg
2017-06-27 7:22 ` Sagi Grimberg
2017-06-20 14:43 ` Robert LeBlanc
2017-06-20 14:43 ` Robert LeBlanc
2017-06-20 14:41 ` Robert LeBlanc
2017-06-20 14:41 ` Robert LeBlanc
2017-02-27 20:13 ` Sagi Grimberg
2017-02-27 20:13 ` Sagi Grimberg
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