linux-kernel - Re: [PATCH 02/18] dma-mapping: move the PCI P2PDMA mapping helpers to pci-p2pdma.h

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Message-ID: <d6dec059-bcc8-4f86-81fa-ba7d77478161@deltatee.com>
Date: Mon, 28 Oct 2024 12:11:10 -0600
From: Logan Gunthorpe <logang@...tatee.com>
To: Leon Romanovsky <leon@...nel.org>, Jens Axboe <axboe@...nel.dk>,
 Jason Gunthorpe <jgg@...pe.ca>, Robin Murphy <robin.murphy@....com>,
 Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
 Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>
Cc: Keith Busch <kbusch@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Yishai Hadas <yishaih@...dia.com>,
 Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>,
 Kevin Tian <kevin.tian@...el.com>,
 Alex Williamson <alex.williamson@...hat.com>,
 Marek Szyprowski <m.szyprowski@...sung.com>,
 Jérôme Glisse <jglisse@...hat.com>,
 Andrew Morton <akpm@...ux-foundation.org>, Jonathan Corbet <corbet@....net>,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-block@...r.kernel.org, linux-rdma@...r.kernel.org,
 iommu@...ts.linux.dev, linux-nvme@...ts.infradead.org,
 linux-pci@...r.kernel.org, kvm@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 02/18] dma-mapping: move the PCI P2PDMA mapping helpers to
 pci-p2pdma.h



On 2024-10-27 08:21, Leon Romanovsky wrote:
> From: Christoph Hellwig <hch@....de>
> 
> To support the upcoming non-scatterlist mapping helpers, we need to go
> back to have them called outside of the DMA API.  Thus move them out of
> dma-map-ops.h, which is only for DMA API implementations to pci-p2pdma.h,
> which is for driver use.
> 
> Note that the core helper is still not exported as the mapping is
> expected to be done only by very highlevel subsystem code at least for
> now.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>

Also looks good. Thanks!

Reviewed-by: Logan Gunthorpe <logang@...tatee.com>