linux-kernel - Re: [PATCH] dma-mapping: reliably inform about DMA support for IOMMU

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Message-ID: <b33079e1-b370-4584-90db-2737f49b2751@notapiano>
Date: Wed, 11 Sep 2024 08:54:54 -0400
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Leon Romanovsky <leon@...nel.org>
Cc: Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>, Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Leon Romanovsky <leonro@...dia.com>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma-mapping: reliably inform about DMA support for IOMMU

On Wed, Sep 11, 2024 at 01:15:00PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> If the DMA IOMMU path is going to be used, the appropriate check should
> return that DMA is supported.
> 
> Fixes: b5c58b2fdc42 ("dma-mapping: direct calls for dma-iommu")
> Closes: https://lore.kernel.org/all/181e06ff-35a3-434f-b505-672f430bd1cb@notapiano
> Reported-by: Nícolas F. R. A. Prado <nfraprado@...labora.com> #KernelCI
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>

Thank you for the quick patch. It fixes the reported issue.

Tested-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Thanks,
Nícolas