From: Nathan Chancellor <natechancellor@gmail.com>
To: Robin Murphy <robin.murphy@arm.com>
Cc: arnd@arndb.de, stephan@gerhold.net, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org, hch@lst.de,
nsaenzjulienne@suse.de
Subject: Re: [PATCH v2] iommu/dma: Rationalise types for DMA masks
Date: Wed, 11 Dec 2019 12:07:35 -0700 [thread overview]
Message-ID: <20191211190735.GA5609@ubuntu-m2-xlarge-x86> (raw)
In-Reply-To: <00d1ddf9439a8c79fb561b0fc740bddf9e6fe6b1.1576089015.git.robin.murphy@arm.com>
On Wed, Dec 11, 2019 at 06:33:26PM +0000, Robin Murphy wrote:
> Since iommu_dma_alloc_iova() combines incoming masks with the u64 bus
> limit, it makes more sense to pass them around in their native u64
> rather than converting to dma_addr_t early. Do that, and resolve the
> remaining type discrepancy against the domain geometry with a cheeky
> cast to keep things simple.
>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com> # build
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next prev parent reply other threads:[~2019-12-11 19:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-11 18:33 [PATCH v2] iommu/dma: Rationalise types for DMA masks Robin Murphy
2019-12-11 19:02 ` Christoph Hellwig
2019-12-17 10:18 ` Joerg Roedel
2019-12-11 19:07 ` Nathan Chancellor [this message]
2019-12-11 19:12 ` Nicolas Saenz Julienne
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