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Message-Id: <173021496151.4097715.14758035881649445798.b4-ty@kernel.org>
Date: Tue, 29 Oct 2024 16:15:13 +0000
From: Will Deacon <will@...nel.org>
To: Pratyush Brahma <quic_pbrahma@...cinc.com>
Cc: catalin.marinas@....com,
	kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	robin.murphy@....com,
	joro@...tes.org,
	jgg@...pe.ca,
	jsnitsel@...hat.com,
	robdclark@...omium.org,
	quic_c_gdjako@...cinc.com,
	dmitry.baryshkov@...aro.org,
	linux-arm-kernel@...ts.infradead.org,
	iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	quic_charante@...cinc.com,
	stable@...r.kernel.org,
	Prakash Gupta <quic_guptap@...cinc.com>
Subject: Re: [PATCH v2] iommu/arm-smmu: Defer probe of clients after smmu device bound

On Fri, 04 Oct 2024 14:34:28 +0530, Pratyush Brahma wrote:
> Null pointer dereference occurs due to a race between smmu
> driver probe and client driver probe, when of_dma_configure()
> for client is called after the iommu_device_register() for smmu driver
> probe has executed but before the driver_bound() for smmu driver
> has been called.
> 
> Following is how the race occurs:
> 
> [...]

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/1] iommu/arm-smmu: Defer probe of clients after smmu device bound
      https://git.kernel.org/will/c/229e6ee43d2a

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev

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