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Message-ID: <20241110150255.GC50588@unreal>
Date: Sun, 10 Nov 2024 17:02:55 +0200
From: Leon Romanovsky <leon@...nel.org>
To: 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>,
Logan Gunthorpe <logang@...tatee.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,
Randy Dunlap <rdunlap@...radead.org>
Subject: Re: [PATCH v3 00/17] Provide a new two step DMA mapping API
On Sun, Nov 10, 2024 at 03:46:47PM +0200, Leon Romanovsky wrote:
> Changelog:
> v3:
<...>
> Christoph Hellwig (6):
> PCI/P2PDMA: Refactor the p2pdma mapping helpers
> dma-mapping: move the PCI P2PDMA mapping helpers to pci-p2pdma.h
> iommu: generalize the batched sync after map interface
> iommu/dma: Factor out a iommu_dma_map_swiotlb helper
> dma-mapping: add a dma_need_unmap helper
> docs: core-api: document the IOVA-based API
>
> Leon Romanovsky (11):
> dma-mapping: Add check if IOVA can be used
> dma: Provide an interface to allow allocate IOVA
> dma-mapping: Implement link/unlink ranges API
> mm/hmm: let users to tag specific PFN with DMA mapped bit
> mm/hmm: provide generic DMA managing logic
This patch detached from thread and can be found here.
https://lore.kernel.org/all/a42f5a1ede10d4181c5cab3c88ed43a04be79565.1731245995.git.leon@kernel.org
Thanks
> RDMA/umem: Store ODP access mask information in PFN
> RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page
> linkage
> RDMA/umem: Separate implicit ODP initialization from explicit ODP
> vfio/mlx5: Explicitly use number of pages instead of allocated length
> vfio/mlx5: Rewrite create mkey flow to allow better code reuse
> vfio/mlx5: Enable the DMA link API
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