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Date:   Mon, 4 Apr 2022 21:34:47 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Mario Limonciello <mario.limonciello@amd.com>
Cc:     Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
        Christoph Hellwig <hch@infradead.org>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Robin Murphy <robin.murphy@arm.com>,
        "open list:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
        Suthikulpanit Suravee <Suravee.Suthikulpanit@amd.com>,
        Hegde Vasant <Vasant.Hegde@amd.com>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/2] dma-iommu: Check that swiotlb is active before
 trying to use it
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References: <20220404204723.9767-1-mario.limonciello@amd.com>
 <20220404204723.9767-3-mario.limonciello@amd.com>
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Looks good:

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