From: Christoph Hellwig <hch@lst.de>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>,
linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Joao Martins <joao.m.martins@oracle.com>,
John Hubbard <jhubbard@nvidia.com>,
Logan Gunthorpe <logang@deltatee.com>,
Ming Lei <ming.lei@redhat.com>,
linux-block@vger.kernel.org, netdev@vger.kernel.org,
linux-mm@kvack.org, linux-rdma@vger.kernel.org,
dri-devel@lists.freedesktop.org, nvdimm@lists.linux.dev
Subject: Re: Phyr Starter
Date: Thu, 20 Jan 2022 15:00:47 +0100 [thread overview]
Message-ID: <20220120140047.GB11223@lst.de> (raw)
In-Reply-To: <20220111150142.GL2328285@nvidia.com>
On Tue, Jan 11, 2022 at 11:01:42AM -0400, Jason Gunthorpe wrote:
> Then we are we using get_user_phyr() at all if we are just storing it
> in a sg?
I think we need to stop calling the output of the phyr dma map
helper a sg. Yes, a { dma_addr, len } tuple is scatter/gather I/O in its
purest form, but it will need a different name in Linux as the scatterlist
will have to stay around for a long time before all that mess is cleaned
up.
next prev parent reply other threads:[~2022-01-20 14:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-10 19:34 Phyr Starter Matthew Wilcox
2022-01-11 0:41 ` Jason Gunthorpe
2022-01-11 4:32 ` Matthew Wilcox
2022-01-11 15:01 ` Jason Gunthorpe
2022-01-11 18:33 ` Matthew Wilcox
2022-01-11 20:21 ` Jason Gunthorpe
2022-01-11 21:25 ` Matthew Wilcox
2022-01-11 22:09 ` Logan Gunthorpe
2022-01-11 22:57 ` Jason Gunthorpe
2022-01-11 23:02 ` Logan Gunthorpe
2022-01-11 22:53 ` Jason Gunthorpe
2022-01-11 22:57 ` Logan Gunthorpe
2022-01-11 23:02 ` Jason Gunthorpe
2022-01-11 23:08 ` Logan Gunthorpe
2022-01-12 18:37 ` Matthew Wilcox
2022-01-12 19:08 ` Jason Gunthorpe
2022-01-20 14:03 ` Christoph Hellwig
2022-01-20 17:17 ` Jason Gunthorpe
2022-01-20 14:00 ` Christoph Hellwig [this message]
2022-01-11 9:05 ` Daniel Vetter
2022-01-11 20:26 ` Jason Gunthorpe
2022-01-20 14:09 ` Christoph Hellwig
2022-01-20 13:56 ` Christoph Hellwig
2022-01-20 15:27 ` Keith Busch
2022-01-20 15:28 ` Christoph Hellwig
2022-01-20 17:54 ` Robin Murphy
2022-01-11 8:17 ` John Hubbard
2022-01-11 14:01 ` Matthew Wilcox
2022-01-11 15:02 ` Jason Gunthorpe
2022-01-11 17:31 ` Logan Gunthorpe
2022-01-20 14:12 ` Christoph Hellwig
2022-01-20 21:35 ` John Hubbard
2022-01-11 11:40 ` Thomas Zimmermann
2022-01-11 13:56 ` Matthew Wilcox
2022-01-11 14:10 ` Thomas Zimmermann
2022-01-20 13:39 ` Christoph Hellwig
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