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Date: Thu, 20 Nov 2025 12:03:12 +0200
From: Leon Romanovsky <leon@kernel.org>
To: Christian =?iso-8859-1?Q?K=F6nig?= <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,
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	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
Message-ID: <20251120100312.GV18335@unreal>
References: <20251120-dmabuf-vfio-v9-0-d7f71607f371@nvidia.com>
 <20251120-dmabuf-vfio-v9-6-d7f71607f371@nvidia.com>
 <57b8876f-1399-4e4d-a44b-1177787aa17d@amd.com>
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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.