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From: Nicolin Chen <nicolinc@nvidia.com>
To: <will@kernel.org>, <robin.murphy@arm.com>, <jgg@nvidia.com>,
	<kevin.tian@intel.com>
Cc: <joro@8bytes.org>, <praan@google.com>, <baolu.lu@linux.intel.com>,
	<miko.lenczewski@arm.com>, <smostafa@google.com>,
	<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
	<linux-kernel@vger.kernel.org>, <stable@vger.kernel.org>,
	<jamien@nvidia.com>
Subject: Re: [PATCH rc v3 0/5] iommu/arm-smmu-v3: Fix device crash on kdump kernel
Date: Tue, 28 Apr 2026 20:55:33 -0700	[thread overview]
Message-ID: <afGBNcntmLjlT8vd@Asurada-Nvidia> (raw)
In-Reply-To: <cover.1777150307.git.nicolinc@nvidia.com>

On Sat, Apr 25, 2026 at 02:30:45PM -0700, Nicolin Chen wrote:
> This is on Github:
> https://github.com/nicolinc/iommufd/commits/smmuv3_kdump-v3
> 
> Changelog
> v3
>  * s/OPT_KDUMP/OPT_KDUMP_ADOPT
>  * Do not adopt if GERROR_SFM_ERR
>  * Retain CR0_ATSCHK beside CR0_SMMUEN
>  * Clear latched GERROR bits (e.g. CMDQ_ERR)
>  * Assert ARM_SMMU_FEAT_COHERENCY in adopt functions
>  * Add STE.Cfg check in arm_smmu_is_attach_deferred()
>  * Fix validations on return codes from devm_memremap()
>  * Sanitize crashed kernel register values in adopt functions
>  * Drop unnecessary l2ptrs guard in arm_smmu_is_attach_deferred()
>  * Don't enable PRIQ/EVTQ irqs and guard the irq functions for combined
>    irq cases

https://sashiko.dev/#/patchset/cover.1777150307.git.nicolinc%40nvidia.com

Sashiko pointed out a few more comments on v3. Most of them are
interesting to address.

I have made some updates to the series and will send v4 after a
final check.

Thanks
Nicolin


      parent reply	other threads:[~2026-04-29  3:56 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-25 21:30 [PATCH rc v3 0/5] iommu/arm-smmu-v3: Fix device crash on kdump kernel Nicolin Chen
2026-04-25 21:30 ` [PATCH rc v3 1/5] iommu/arm-smmu-v3: Add arm_smmu_adopt_strtab() for kdump Nicolin Chen
2026-04-25 21:30 ` [PATCH rc v3 2/5] iommu/arm-smmu-v3: Implement is_attach_deferred() " Nicolin Chen
2026-04-25 21:30 ` [PATCH rc v3 3/5] iommu/arm-smmu-v3: Retain CR0_SMMUEN during kdump device reset Nicolin Chen
2026-04-25 21:30 ` [PATCH rc v3 4/5] iommu/arm-smmu-v3: Skip EVTQ/PRIQ setup in kdump kernel Nicolin Chen
2026-04-25 21:30 ` [PATCH rc v3 5/5] iommu/arm-smmu-v3: Detect ARM_SMMU_OPT_KDUMP_ADOPT in probe() Nicolin Chen
2026-04-29  3:55 ` Nicolin Chen [this message]

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