Re: [PATCH v8 01/13] lib/scatterlist: add flag for indicating P2PDMA segments in an SGL

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To: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Subject: Re: [PATCH v8 01/13] lib/scatterlist: add flag for indicating P2PDMA segments in an SGL
From: Christoph Hellwig <hch@xxxxxx>
Date: Thu, 14 Jul 2022 07:12:48 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxx, Stephen Bates <sbates@xxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Christian König <christian.koenig@xxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Don Dutile <ddutile@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Daniel Vetter <daniel.vetter@xxxxxxxx>, Minturn Dave B <dave.b.minturn@xxxxxxxxx>, Jason Ekstrand <jason@xxxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Xiong Jianxin <jianxin.xiong@xxxxxxxxx>, Bjorn Helgaas <helgaas@xxxxxxxxxx>, Ira Weiny <ira.weiny@xxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Martin Oliveira <martin.oliveira@xxxxxxxxxxxxx>, Chaitanya Kulkarni <ckulkarnilinux@xxxxxxxxx>, Ralph Campbell <rcampbell@xxxxxxxxxx>
In-reply-to: <20220708165104.5005-2-logang@deltatee.com>
References: <20220708165104.5005-1-logang@deltatee.com> <20220708165104.5005-2-logang@deltatee.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Do we need the dma_ prefix for the flags field?  That's just what it
is used for now.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v8 00/13] DMA Mapping P2PDMA Pages
  - From: Logan Gunthorpe
- [PATCH v8 01/13] lib/scatterlist: add flag for indicating P2PDMA segments in an SGL
  - From: Logan Gunthorpe

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