linux-kernel - Re: [PATCH v4 0/2] Fix handling of S2 stalls

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Message-Id: <172503018121.1633151.4148376979460234025.b4-ty@kernel.org>
Date: Fri, 30 Aug 2024 17:12:14 +0100
From: Will Deacon <will@...nel.org>
To: linux-kernel@...r.kernel.org,
	iommu@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	robin.murphy@....com,
	joro@...tes.org,
	Mostafa Saleh <smostafa@...gle.com>
Cc: catalin.marinas@....com,
	kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	jean-philippe@...aro.org,
	jgg@...pe.ca,
	nicolinc@...dia.com,
	mshavit@...gle.com
Subject: Re: [PATCH v4 0/2] Fix handling of S2 stalls

On Fri, 30 Aug 2024 11:03:46 +0000, Mostafa Saleh wrote:
> While debugging something else, I spent hours looking at hexdumps of
> STEs, CDs and commands while comparing them against the arch specs,
> where I noticed a minor violation in the driver regarding handling of
> S2S bit in the STE.
> 
> This has been there for ages, so it’s highly unlikely that any HW (if
> it exists with such features) running Linux is affected.
> 
> [...]

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

[1/2] iommu/arm-smmu-v3: Match Stall behaviour for S2
      https://git.kernel.org/will/c/ce7cb08e22e0
[2/2] iommu/arm-smmu-v3-test: Test masters with stall enabled
      https://git.kernel.org/will/c/070e326f327a

Cheers,
-- 
Will

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