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From: Leon Romanovsky <leon@kernel.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
	Robin Murphy <robin.murphy@arm.com>,
	Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
	Jason Gunthorpe <jgg@ziepe.ca>
Subject: Re: [PATCH] iommu/dma: add missing support for DMA_ATTR_MMIO for dma_iova_unlink()
Date: Mon, 24 Nov 2025 19:26:27 +0200	[thread overview]
Message-ID: <20251124172627.GE12483@unreal> (raw)
In-Reply-To: <20251124170955.3884351-1-m.szyprowski@samsung.com>

On Mon, Nov 24, 2025 at 06:09:55PM +0100, Marek Szyprowski wrote:
> Commit c288d657dd51 added support for DMA_ATTR_MMIO attribute in the
> dma_iova_link() code path, but missed that the CPU cache is being also
> touched in the dma_iova_unlink() path. Fix this.
> 
> Fixes: c288d657dd51 ("iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link().")
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
>  drivers/iommu/dma-iommu.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leon@kernel.org>

  parent reply	other threads:[~2025-11-24 17:26 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20251124171014eucas1p21d3a0f2c10b43bfdb7861ee804f09951@eucas1p2.samsung.com>
2025-11-24 17:09 ` [PATCH] iommu/dma: add missing support for DMA_ATTR_MMIO for dma_iova_unlink() Marek Szyprowski
2025-11-24 17:15   ` Robin Murphy
2025-11-24 17:20     ` Leon Romanovsky
2025-11-24 17:40       ` Robin Murphy
2025-11-24 17:26   ` Leon Romanovsky [this message]
2025-11-25 12:20     ` Marek Szyprowski
2025-11-24 18:17   ` Jason Gunthorpe
2025-11-24 18:46     ` Marek Szyprowski

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