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From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: 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>,
	Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 4/5] IB: Switch from struct ib_dma_mapping_ops to struct dma_mapping_ops
Date: Fri, 9 Dec 2016 19:24:29 +0100	[thread overview]
Message-ID: <20161209182429.GF16622@lst.de> (raw)
In-Reply-To: <25d066c2-59d7-2be7-dd56-e29e99b43620-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>

> Additionally, use dma_noop_ops instead of duplicating it.

Oops, I don't think that part actually is correct.  Both rdmavt
and the weird intel drivers want the _virtual_ address in their dma
address instead of the physical one set by dma_noop_ops.
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  parent reply	other threads:[~2016-12-09 18:24 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-08  1:10 [PATCH, RFC 0/5] IB: Optimize DMA mapping Bart Van Assche
     [not found] ` <07c07529-4636-fafb-2598-7358d8a1460d-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-12-08  1:10   ` [PATCH 1/5] treewide: constify most struct dma_map_ops Bart Van Assche
     [not found]     ` <f6b70724-772c-c17f-f1be-1681fab31228-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-12-09 18:20       ` Christoph Hellwig
2016-12-08  1:10   ` [PATCH 2/5] misc: vop: Remove a cast Bart Van Assche
     [not found]     ` <6fff2450-6442-4539-47ff-67f04a593c06-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-12-09 18:20       ` Christoph Hellwig
2016-12-08  1:11   ` [PATCH 3/5] Move dma_ops from archdata into struct device Bart Van Assche
2016-12-09 18:22     ` Christoph Hellwig
2016-12-09 18:22       ` Christoph Hellwig
2016-12-09 19:13       ` David Woodhouse
2016-12-09 19:13       ` David Woodhouse
2016-12-09 19:46         ` Bart Van Assche
2016-12-09 19:46           ` Bart Van Assche
2016-12-09 19:46           ` Bart Van Assche
2016-12-08  1:11   ` [PATCH 4/5] IB: Switch from struct ib_dma_mapping_ops to struct dma_mapping_ops Bart Van Assche
     [not found]     ` <25d066c2-59d7-2be7-dd56-e29e99b43620-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-12-09 18:23       ` Christoph Hellwig
2016-12-09 18:24       ` Christoph Hellwig [this message]
     [not found]         ` <20161209182429.GF16622-jcswGhMUV9g@public.gmane.org>
2016-12-19 16:42           ` Dennis Dalessandro
     [not found]             ` <52e8398f-a146-721c-3b92-0892b4abbff8-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-12-19 16:55               ` Bart Van Assche
     [not found]                 ` <1482166487.25336.10.camel-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-12-20 19:33                   ` Testing latest linux-next 4.9 ib_srp and ib_srpt Laurence Oberman
     [not found]                     ` <1918919536.8196250.1482262406057.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-20 19:43                       ` Laurence Oberman
     [not found]                         ` <2052479881.8196880.1482263028727.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-20 20:44                           ` Laurence Oberman
     [not found]                             ` <1668746735.8200653.1482266682585.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-20 21:09                               ` Laurence Oberman
2016-12-21  3:31                               ` Laurence Oberman
     [not found]                                 ` <120559766.8215321.1482291094018.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-21  6:34                                   ` Laurence Oberman
     [not found]                                     ` <1928955380.8220327.1482302041315.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-21  8:08                                       ` Bart Van Assche
2016-12-22  2:10                                       ` Laurence Oberman
     [not found]                                         ` <1337539588.8422488.1482372617094.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-22  6:23                                           ` Christoph Hellwig
     [not found]                                             ` <20161222062321.GA30326-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-12-22 13:17                                               ` Testing latest linux-next 4.9 ib_srp and ib_srpt sees I/O capped at 1MB and no merging Laurence Oberman
     [not found]                                                 ` <1661819060.8462293.1482412678092.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-22 15:40                                                   ` Christoph Hellwig
2016-12-22 19:54                                                     ` block: add back plugging in __blkdev_direct_IO kbuild test robot
     [not found]                                                     ` <20161222154049.GA4638-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-12-22 17:59                                                       ` Testing latest linux-next 4.9 ib_srp and ib_srpt sees I/O capped at 1MB and no merging Laurence Oberman
2016-12-22 19:55                                                       ` block: add back plugging in __blkdev_direct_IO kbuild test robot
2016-12-08  1:12   ` [PATCH 5/5] treewide: Inline ib_dma_map_*() functions Bart Van Assche
     [not found]     ` <9bdf696e-ec64-d60e-3d7e-7ad5b3000d60-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-12-09 18:23       ` Christoph Hellwig
2016-12-08  6:48   ` [PATCH, RFC 0/5] IB: Optimize DMA mapping Or Gerlitz
     [not found]     ` <CAJ3xEMi4HY9Ehp-V4rP5UieAk=GjAu0X4uEnP-yMDomcFDpHkA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-12-08 16:51       ` Bart Van Assche

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