From: Marek Szyprowski <m.szyprowski@samsung.com>
To: Joerg Roedel <joro@8bytes.org>, Robin Murphy <robin.murphy@arm.com>
Cc: will@kernel.org, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
x86@kernel.org, linux-ia64@vger.kernel.org
Subject: Re: [PATCH] iommu/dma: Tidy up Kconfig selects
Date: Tue, 28 Sep 2021 10:11:33 +0000 [thread overview]
Message-ID: <e88879bf-cd4e-1018-da50-6f0a1dda4784@samsung.com> (raw)
In-Reply-To: <YVLgw1nfEf7U13Mh@8bytes.org>
On 28.09.2021 11:30, Joerg Roedel wrote:
> On Mon, Sep 13, 2021 at 01:41:19PM +0100, Robin Murphy wrote:
>> Now that the dust has settled on converting all the x86 drivers to
>> iommu-dma, we can punt the Kconfig selection to arch code where it
>> was always intended to be.
> Can we select IOMMU_DMA under IOMMU_SUPPORT instead? The only drivers
> not using IOMMU_DMA are the arm32 ones, afaics.
>
> If we could get rid of the arm32 exception, the IOMMU_DMA symbol could
> also go away entirely and we handle it under IOMMU_SUPPORT instead. But
> that is something for the future :)
Maybe it would be a good motivation to get back to
https://lore.kernel.org/linux-iommu/cover.1597931875.git.robin.murphy@arm.com/
:)
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
prev parent reply other threads:[~2021-09-28 10:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 12:41 [PATCH] iommu/dma: Tidy up Kconfig selects Robin Murphy
2021-09-28 9:30 ` Joerg Roedel
2021-09-28 10:11 ` Marek Szyprowski [this message]
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