From: Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
To: leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Bart Van Assche
<bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
Laurence Oberman
<loberman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 11/11] IB/srp: Prevent mapping failures
Date: Wed, 27 Apr 2016 00:08:35 +0300 [thread overview]
Message-ID: <571FD8D3.1060403@grimberg.me> (raw)
In-Reply-To: <20160426141229.GI7974-2ukJVAZIZ/Y@public.gmane.org>
>> I can add a WARN_ON_ONCE() statement for max_pages_per_mr == 1. That will
>> make it easy to figure out where to start looking if in the future a HCA
>> driver would be added that causes max_pages_per_mr == 1.
If we're on the imaginary path, you can flat out fail the host creation.
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next prev parent reply other threads:[~2016-04-26 21:08 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-22 21:11 [PATCH 0/11] More SRP patches for kernel v4.7 Bart Van Assche
[not found] ` <571A936F.7040409-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-22 21:12 ` [PATCH 01/11] IB/srp: Fix a spelling error in a source code comment Bart Van Assche
[not found] ` <571A93AA.9000605-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 9:26 ` Christoph Hellwig
2016-04-22 21:12 ` [PATCH 02/11] IB/srp: Fix a comment Bart Van Assche
[not found] ` <571A93CF.9050506-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-26 20:52 ` Sagi Grimberg
2016-05-03 9:26 ` Christoph Hellwig
2016-04-22 21:13 ` [PATCH 03/11] IB/srp: Document srp_map_data() return value Bart Van Assche
[not found] ` <571A93E5.7030807-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 9:27 ` Christoph Hellwig
2016-04-22 21:13 ` [PATCH 04/11] IB/srp: Fix srp_map_data() error paths Bart Van Assche
[not found] ` <571A93FF.8020102-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-26 20:53 ` Sagi Grimberg
2016-05-03 9:28 ` Christoph Hellwig
2016-04-22 21:13 ` [PATCH 05/11] IB/srp: Introduce target->mr_pool_size Bart Van Assche
[not found] ` <571A9415.4090002-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 9:28 ` Christoph Hellwig
2016-04-22 21:14 ` [PATCH 06/11] IB/srp: Avoid that mapping failure triggers an infinite loop Bart Van Assche
[not found] ` <571A9427.8010306-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 9:29 ` Christoph Hellwig
2016-04-22 21:14 ` [PATCH 07/11] IB/srp: Move code out of a loop Bart Van Assche
[not found] ` <571A9443.6000600-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-26 21:00 ` Sagi Grimberg
2016-05-03 9:29 ` Christoph Hellwig
2016-04-22 21:15 ` [PATCH 08/11] IB/srp: Move common code into the caller Bart Van Assche
[not found] ` <571A9458.3050904-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-26 21:00 ` Sagi Grimberg
2016-05-03 9:29 ` Christoph Hellwig
2016-04-22 21:15 ` [PATCH 09/11] IB/srp: Fix a NULL pointer dereference Bart Van Assche
[not found] ` <571A9472.5050202-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-26 21:04 ` Sagi Grimberg
[not found] ` <571FD7F4.4090006-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2016-04-27 6:20 ` Leon Romanovsky
[not found] ` <20160427062053.GK7974-2ukJVAZIZ/Y@public.gmane.org>
2016-04-27 14:22 ` Bart Van Assche
2016-04-27 15:39 ` Bart Van Assche
2016-04-27 19:50 ` Bart Van Assche
2016-05-03 9:30 ` Christoph Hellwig
[not found] ` <20160503093032.GJ19931-jcswGhMUV9g@public.gmane.org>
2016-05-03 20:57 ` Bart Van Assche
[not found] ` <5729109E.6040500-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 21:01 ` Laurence Oberman
2016-04-22 21:16 ` [PATCH 10/11] IB/srp: Do not register memory if register_always = -1 Bart Van Assche
[not found] ` <571A9490.9010003-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 9:30 ` Christoph Hellwig
2016-04-22 21:16 ` [PATCH 11/11] IB/srp: Prevent mapping failures Bart Van Assche
[not found] ` <571A94AF.7000609-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-23 22:12 ` Laurence Oberman
2016-04-24 8:35 ` Leon Romanovsky
[not found] ` <20160424083538.GF7974-2ukJVAZIZ/Y@public.gmane.org>
2016-04-24 22:44 ` Laurence Oberman
2016-04-25 0:48 ` Bart Van Assche
[not found] ` <571D6975.2020905-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-25 5:54 ` Leon Romanovsky
[not found] ` <20160425055433.GG7974-2ukJVAZIZ/Y@public.gmane.org>
2016-04-25 9:46 ` Sagi Grimberg
[not found] ` <571DE793.6090705-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2016-04-25 15:53 ` Leon Romanovsky
[not found] ` <20160425155320.GH7974-2ukJVAZIZ/Y@public.gmane.org>
2016-04-25 16:16 ` Bart Van Assche
[not found] ` <571E42D2.70705-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-04-26 14:12 ` Leon Romanovsky
[not found] ` <20160426141229.GI7974-2ukJVAZIZ/Y@public.gmane.org>
2016-04-26 21:08 ` Sagi Grimberg [this message]
[not found] ` <571FD8D3.1060403-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2016-04-26 23:10 ` Bart Van Assche
2016-04-26 21:06 ` Sagi Grimberg
2016-05-03 9:33 ` Christoph Hellwig
[not found] ` <20160503093307.GL19931-jcswGhMUV9g@public.gmane.org>
2016-05-03 21:13 ` Bart Van Assche
[not found] ` <5729147C.5000904-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-03 21:23 ` Laurence Oberman
2016-05-04 9:09 ` Christoph Hellwig
[not found] ` <20160504090908.GA14787-jcswGhMUV9g@public.gmane.org>
2016-05-04 16:17 ` Bart Van Assche
2016-05-04 23:44 ` Bart Van Assche
[not found] ` <572A8975.9060606-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-05 14:06 ` Christoph Hellwig
[not found] ` <20160505140616.GA15000-jcswGhMUV9g@public.gmane.org>
2016-05-05 19:50 ` Bart Van Assche
2016-05-05 19:58 ` Laurence Oberman
[not found] ` <2102017158.34060891.1462478304470.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-05-05 20:14 ` Bart Van Assche
[not found] ` <572BA98F.4090109-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-05 20:17 ` Bart Van Assche
[not found] ` <572BAA6F.1060607-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-05 20:55 ` Laurence Oberman
[not found] ` <804753248.34153510.1462481756460.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-05-05 21:40 ` Bart Van Assche
[not found] ` <572BBDC0.5070205-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-05 22:01 ` Laurence Oberman
[not found] ` <1133135399.34245490.1462485666601.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-05-05 22:46 ` Bart Van Assche
[not found] ` <572BCD59.7010701-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-05-09 22:50 ` Laurence Oberman
[not found] ` <169904890.34764265.1462834206901.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-05-09 22:55 ` Bart Van Assche
2016-05-05 20:44 ` [PATCH 0/11] More SRP patches for kernel v4.7 Doug Ledford
[not found] ` <f406cd39-c6dc-d458-0ab0-c400fdd5b243-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-05-05 20:50 ` Bart Van Assche
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