[PATCH v10 00/13] iommu/arm-smmu-v3: Adopt the crashed kernel's stream table for kdump

Breno Leitao leitao at debian.org
Mon Sep 14 03:41:04 PDT 2026


On Sun, Aug 30, 2026 at 04:18:01PM -0700, Nicolin Chen wrote:
> To safely absorb in-flight DMA, the kdump kernel must leave SMMUEN=1 intact
> and avoid modifying STRTAB_BASE. This allows HW to continue translating in-
> flight DMA using the crashed kernel's page tables until the endpoint device
> drivers probe and quiesce their respective hardware.

For the whole series:

Tested-by: Breno Leitao <leitao at kernel.org>



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