Re: [PATCH rc v2 0/5] iommu/arm-smmu-v3: Fix device crash on kdump kernel

From: Nicolin Chen

Date: Thu Apr 23 2026 - 16:03:39 EST


On Wed, Apr 15, 2026 at 02:17:35PM -0700, Nicolin Chen wrote:
> This is on Github:
> https://github.com/nicolinc/iommufd/commits/smmuv3_kdump-v2
>
> Changelog
> v2
> * Add warning in non-coherent SMMU cases
> * Keep eventq/priq disabled v.s. enabling-and-disabling-later
> * Check KDUMP option in the beginning of arm_smmu_device_reset()
> * Validate STRTAB format matches HW capability instead of forcing flags

https://sashiko.dev/#/patchset/cover.1776286352.git.nicolinc%40nvidia.com

Sashiko posted a few comments, mostly valid.

I am fixing them with a v3.

Thanks
Nicolin