From: Will Deacon <will@kernel.org>
To: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Mostafa Saleh <smostafa@google.com>
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>,
robin.murphy@arm.com, joro@8bytes.org,
Tomasz Nowicki <tnowicki@google.com>
Subject: Re: [PATCH RESEND] iommu/arm-smmu-v3: Remove IAS
Date: Wed, 7 Jan 2026 21:59:11 +0000 [thread overview]
Message-ID: <176782095435.3284849.16107001420143134229.b4-ty@kernel.org> (raw)
In-Reply-To: <20260102205353.2725509-1-smostafa@google.com>
On Fri, 02 Jan 2026 20:53:52 +0000, Mostafa Saleh wrote:
> The driver only supports AArch64 page tables where OAS == IAS.
>
> Remove the extra IAS tracking for AArch32 as this feature was
> never implemented and that was creating BAD_STEs for SMMUv3
> with stage-2 and OAS < 40.
>
> Further discussion on this in:
> https://lore.kernel.org/linux-iommu/20251130194506.593700-1-smostafa@google.com/
>
> [...]
Applied to iommu (arm/smmu/updates), thanks!
[1/1] iommu/arm-smmu-v3: Remove IAS
https://git.kernel.org/iommu/c/5ac66ed8417f
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
prev parent reply other threads:[~2026-01-07 21:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-02 20:53 [PATCH RESEND] iommu/arm-smmu-v3: Remove IAS Mostafa Saleh
2026-01-07 21:59 ` Will Deacon [this message]
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