From: Mark Brown <broonie@kernel.org>
To: Jason Gunthorpe <jgg@nvidia.com>
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Subject: Re: [PATCH] iommu: Remove the device_lock_assert() from __iommu_probe_device()
Date: Fri, 18 Aug 2023 23:47:11 +0100 [thread overview]
Message-ID: <1b53ea1e-3522-43db-a7db-dd4b460f0bc6@sirena.org.uk> (raw)
In-Reply-To: <0-v1-98d20e768c66+7-of_dma_lock_jgg@nvidia.com>
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On Fri, Aug 18, 2023 at 06:32:28PM -0300, Jason Gunthorpe wrote:
> It turns out several drivers are calling of_dma_configure() outside the
> expected bus_type.dma_configure op. This ends up being mis-locked and
> triggers a lockdep assertion, or instance:
Acked-by: Mark Brown <broonie@kernel.org>
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next prev parent reply other threads:[~2023-08-18 22:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-18 21:32 [PATCH] iommu: Remove the device_lock_assert() from __iommu_probe_device() Jason Gunthorpe
2023-08-18 22:47 ` Mark Brown [this message]
2023-08-21 11:06 ` Robin Murphy
2023-08-21 12:27 ` Joerg Roedel
2023-08-21 12:47 ` Jason Gunthorpe
2023-08-21 12:51 ` Jason Gunthorpe
2023-08-21 14:36 ` Joerg Roedel
2023-08-21 14:40 ` Jason Gunthorpe
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