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Date: Tue, 9 Jun 2026 10:36:27 +0200
From: Christoph Hellwig <hch@lst.de>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: iommu@lists.linux.dev, "Joerg Roedel (AMD)" <joro@8bytes.org>,
	Robin Murphy <robin.murphy@arm.com>, Will Deacon <will@kernel.org>,
	Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
	Leon Romanovsky <leonro@nvidia.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Luis Chamberlain <mcgrof@kernel.org>, Mark Lord <mlord@pobox.com>,
	patches@lists.linux.dev, stable@vger.kernel.org
Subject: Re: [PATCH rc] iommu/dma: Do not try to iommu_map a 0 length
 region in swiotlb
Message-ID: <20260609083627.GB11664@lst.de>
References: <0-v1-8536728bc89f+469-swiotlb_warn_jgg@nvidia.com>
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Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>