Re: [PATCH 3/9] iommu/dma-iommu: Add iommu_dma_copy_reserved_iova, iommu_dma_apply_resv_region to the dma-iommu api

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To: Tom Murphy <tmurphy@xxxxxxxxxx>
Subject: Re: [PATCH 3/9] iommu/dma-iommu: Add iommu_dma_copy_reserved_iova, iommu_dma_apply_resv_region to the dma-iommu api
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sun, 14 Apr 2019 23:31:34 -0700
Cc: linux-samsung-soc@xxxxxxxxxxxxxxx, Heiko Stuebner <heiko@xxxxxxxxx>, dima@xxxxxxxxxx, Marc Zyngier <marc.zyngier@xxxxxxx>, linux-arm-msm@xxxxxxxxxxxxxxx, Will Deacon <will.deacon@xxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Krzysztof Kozlowski <krzk@xxxxxxxxxx>, David Brown <david.brown@xxxxxxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, Kukjin Kim <kgene@xxxxxxxxxx>, linux-mediatek@xxxxxxxxxxxxxxxxxxx, murphyt7@xxxxxx, Andy Gross <andy.gross@xxxxxxxxxx>, linux-rockchip@xxxxxxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Matthias Brugger <matthias.bgg@xxxxxxxxx>
In-reply-to: <20190411184741.27540-4-tmurphy@arista.com>
References: <20190411184741.27540-1-tmurphy@arista.com> <20190411184741.27540-4-tmurphy@arista.com>
User-agent: Mutt/1.9.2 (2017-12-15)

On Thu, Apr 11, 2019 at 07:47:32PM +0100, Tom Murphy via iommu wrote:
> +
> +	WARN_ON_ONCE(iommu_dma_reserve_iova(domain, region->start, end) == NULL);

Overly long line..

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References:
- [PATCH 0/9] iommu/amd: Convert the AMD iommu driver to the dma-iommu api
  - From: Tom Murphy
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  - From: Tom Murphy

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