From: Will Deacon <will@kernel.org>
To: Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Nicolin Chen <nicolinc@nvidia.com>
Cc: catalin.marinas@arm.com, mark.rutland@arm.com,
kernel-team@android.com, Will Deacon <will@kernel.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>,
Pranjal Shrivastava <praan@google.com>,
Mostafa Saleh <smostafa@google.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Kevin Tian <kevin.tian@intel.com>,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-pci@vger.kernel.org, linux-cxl@vger.kernel.org,
vsethi@nvidia.com, Shuai Xue <xueshuai@linux.alibaba.com>
Subject: Re: [PATCH v6 00/17] iommu/arm-smmu-v3: Quarantine device upon ATC invalidation timeout
Date: Sun, 4 Oct 2026 17:50:43 +0100 [thread overview]
Message-ID: <179112990410.2366640.1873231809749459726.b4-ty@kernel.org> (raw)
In-Reply-To: <cover.1790188510.git.nicolinc@nvidia.com>
On Wed, 23 Sep 2026 13:11:19 -0700, Nicolin Chen wrote:
> This series addresses a critical vulnerability and stability issue where an
> unresponsive PCIe device failing to process ATC (Address Translation Cache)
> invalidation requests leads to silent data corruption and continuous SMMU
> CMDQ error spam.
>
> [ As Jason pointed out, because this series fundamentally introduces a new
> RAS feature to quarantine and recover from hardware faults and relies on
> a recently accepted SMMU driver rework, it is not treated as a standard
> bug fix. Thus, most of the patches here don't carry a "Fixes" tag. ]
>
> [...]
Applied SMMU rbtree fix to iommu (arm/smmu/updates), thanks!
[06/17] iommu/arm-smmu-v3: Don't rb_erase() a never-inserted stream node
https://git.kernel.org/iommu/c/2888520bdcbe
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
prev parent reply other threads:[~2026-10-04 16:51 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 20:11 [PATCH v6 00/17] iommu/arm-smmu-v3: Quarantine device upon ATC invalidation timeout Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 01/17] PCI: Don't suspend IOMMU when probing reset capability Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 02/17] PCI/CXL: Probe the underlying bus reset in cxl_reset_bus_function() Nicolin Chen
2026-09-25 23:13 ` Jonathan Cameron
2026-09-23 20:11 ` [PATCH v6 03/17] iommu: Convert gdev->blocked from bool to enum blocked_reason Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 04/17] iommu: Pass in gdev's blocked state to iommu_deinit_device() Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 05/17] iommu: Pass in reset result to pci_dev_reset_iommu_done() Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 06/17] iommu/arm-smmu-v3: Don't rb_erase() a never-inserted stream node Nicolin Chen
2026-09-23 20:30 ` Nicolin Chen
2026-09-24 8:20 ` Mostafa Saleh
2026-09-23 20:11 ` [PATCH v6 07/17] iommu/arm-smmu-v3: Track ATC invalidation timeouts in a bitmap Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 08/17] iommu/arm-smmu-v3: Skip remaining GERROR causes on SFM Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 09/17] iommu/arm-smmu-v3: Introduce per-cmdq cmdq_err_handler callback Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 10/17] iommu/arm-smmu-v3: Recheck CMDQ_ERR in tegra241_vintf0_handle_error() Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 11/17] iommu/arm-smmu-v3: Co-clear pending CMDQ_ERR when CMD_SYNC times out Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 12/17] iommu/arm-smmu-v3: Introduce arm_smmu_cmdq_batch_issue() wrapper Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 13/17] iommu/arm-smmu-v3: Add streams_lock for atomic-context SID->master lookup Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 14/17] iommu/arm-smmu-v3: Add has_ats to struct arm_smmu_cmdq_batch Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 15/17] iommu/arm-smmu-v3: Add INV_TYPE_ATS_BROKEN for quarantined masters Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 16/17] iommu/arm-smmu-v3: Thread arm_smmu_master_domain on a per-master list Nicolin Chen
2026-09-23 20:11 ` [PATCH v6 17/17] iommu/arm-smmu-v3: Quarantine ATS after an ATC invalidation timeout Nicolin Chen
2026-10-04 16:50 ` Will Deacon [this message]
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