From: Christoph Hellwig <hch@lst.de>
To: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>, Imre Deak <imre.deak@intel.com>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
Yong Zhi <yong.zhi@intel.com>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Bingbu Cao <bingbu.cao@intel.com>,
Tian Shu Qiu <tian.shu.qiu@intel.com>,
Jian Xu Zheng <jian.xu.zheng@intel.com>,
Sinclair Yeh <syeh@vmware.com>,
Thomas Hellstrom <thellstrom@vmware.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH] lib/scatterlist: Provide a DMA page iterator
Date: Mon, 14 Jan 2019 10:46:14 +0100 [thread overview]
Message-ID: <20190114094614.GA29604@lst.de> (raw)
In-Reply-To: <20190112190305.GA19436@ssaleem-MOBL4.amr.corp.intel.com>
On Sat, Jan 12, 2019 at 01:03:05PM -0600, Shiraz Saleem wrote:
> Well I was trying convert the RDMA drivers to use your new iterator variant
> and saw the need for it in locations where we need virtual address of the pages
> contained in the SGEs.
As far as i can tell that pg_arr[i] value is only ever used for
the case where we do an explicit dma coherent allocation, so you
should not have to fill it out at all.
next prev parent reply other threads:[~2019-01-14 9:46 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-04 22:35 [PATCH] lib/scatterlist: Provide a DMA page iterator Jason Gunthorpe
2019-01-05 2:37 ` kbuild test robot
2019-01-05 3:21 ` Jason Gunthorpe
2019-01-10 23:42 ` Jason Gunthorpe
2019-01-14 9:48 ` Christoph Hellwig
2019-01-15 14:17 ` Thomas Hellstrom
2019-01-15 14:24 ` Christian König
2019-01-15 15:20 ` hch
2019-01-15 18:03 ` Thomas Hellstrom
2019-01-15 18:31 ` hch
2019-01-15 19:13 ` Koenig, Christian
2019-01-15 20:58 ` hch
2019-01-16 7:09 ` Thomas Hellstrom
2019-01-16 7:28 ` Koenig, Christian
2019-01-16 10:14 ` Daniel Vetter
2019-01-16 16:06 ` hch
2019-01-16 16:36 ` Daniel Stone
2019-01-15 21:25 ` Jason Gunthorpe
2019-01-16 10:40 ` Christian König
2019-01-16 16:11 ` hch
2019-01-16 17:24 ` Jason Gunthorpe
2019-01-17 9:30 ` hch
2019-01-17 10:47 ` Thomas Hellstrom
2019-01-17 15:54 ` Jason Gunthorpe
2019-01-12 18:27 ` Shiraz Saleem
2019-01-12 18:37 ` Jason Gunthorpe
2019-01-12 19:03 ` Shiraz Saleem
2019-01-14 9:46 ` Christoph Hellwig [this message]
2019-01-14 22:16 ` Jason Gunthorpe
2019-02-07 23:23 ` Sakari Ailus
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