From: Leon Romanovsky <leon@kernel.org>
To: "Christian König" <christian.koenig@amd.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Logan Gunthorpe <logang@deltatee.com>,
Jens Axboe <axboe@kernel.dk>, Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Sumit Semwal <sumit.semwal@linaro.org>,
Kees Cook <kees@kernel.org>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Ankit Agrawal <ankita@nvidia.com>,
Yishai Hadas <yishaih@nvidia.com>,
Shameer Kolothum <skolothumtho@nvidia.com>,
Kevin Tian <kevin.tian@intel.com>,
Alex Williamson <alex@shazbot.org>,
Krishnakant Jaju <kjaju@nvidia.com>, Matt Ochs <mochs@nvidia.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-block@vger.kernel.org, iommu@lists.linux.dev,
linux-mm@kvack.org, linux-doc@vger.kernel.org,
linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
linaro-mm-sig@lists.linaro.org, kvm@vger.kernel.org,
linux-hardening@vger.kernel.org,
Nicolin Chen <nicolinc@nvidia.com>, Alex Mastro <amastro@fb.com>,
Jason Gunthorpe <jgg@nvidia.com>
Subject: Re: [PATCH v9 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine
Date: Thu, 20 Nov 2025 12:03:12 +0200 [thread overview]
Message-ID: <20251120100312.GV18335@unreal> (raw)
In-Reply-To: <57b8876f-1399-4e4d-a44b-1177787aa17d@amd.com>
On Thu, Nov 20, 2025 at 10:33:36AM +0100, Christian König wrote:
> On 11/20/25 10:28, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@nvidia.com>
> >
> > Add dma_buf_phys_vec_to_sgt() and dma_buf_free_sgt() helpers to convert
> > an array of MMIO physical address ranges into scatter-gather tables with
> > proper DMA mapping.
<...>
> > Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> > Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
> > Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
> > Tested-by: Alex Mastro <amastro@fb.com>
> > Tested-by: Nicolin Chen <nicolinc@nvidia.com>
> > Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
>
> Could be that this will backfire at some point, but I think we will never know without trying.
>
> Acked-by: Christian König <christian.koenig@amd.com>
Thanks a lot.
next prev parent reply other threads:[~2025-11-20 10:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-20 9:28 [PATCH v9 00/11] vfio/pci: Allow MMIO regions to be exported through dma-buf Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 01/11] PCI/P2PDMA: Separate the mmap() support from the core logic Leon Romanovsky
2026-01-02 23:40 ` Bjorn Helgaas
2025-11-20 9:28 ` [PATCH v9 02/11] PCI/P2PDMA: Simplify bus address mapping API Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 03/11] PCI/P2PDMA: Refactor to separate core P2P functionality from memory allocation Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 04/11] PCI/P2PDMA: Provide an access to pci_p2pdma_map_type() function Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 05/11] PCI/P2PDMA: Document DMABUF model Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine Leon Romanovsky
2025-11-20 9:33 ` Christian König
2025-11-20 10:03 ` Leon Romanovsky [this message]
2025-11-26 0:18 ` Alex Mastro
2025-11-26 13:12 ` Pranjal Shrivastava
2025-11-26 16:08 ` Alex Mastro
2025-11-26 16:54 ` Jason Gunthorpe
2025-11-20 9:28 ` [PATCH v9 07/11] vfio: Export vfio device get and put registration helpers Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 08/11] vfio/pci: Share the core device pointer while invoking feature functions Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 09/11] vfio/pci: Enable peer-to-peer DMA transactions by default Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 10/11] vfio/pci: Add dma-buf export support for MMIO regions Leon Romanovsky
2025-11-21 0:04 ` Alex Williamson
2025-11-21 0:23 ` Jason Gunthorpe
2025-11-21 0:40 ` Alex Williamson
2025-11-21 7:42 ` Leon Romanovsky
2025-11-20 9:28 ` [PATCH v9 11/11] vfio/nvgrace: Support get_dmabuf_phys Leon Romanovsky
2025-11-20 17:13 ` Ankit Agrawal
2025-11-20 17:23 ` [PATCH v9 00/11] vfio/pci: Allow MMIO regions to be exported through dma-buf Ankit Agrawal
2025-11-21 16:24 ` Alex Williamson
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