Public bug reported:
SRU Justification
[Impact]
* Patches pulled from upstream for CMDQV support introduce null pointer
dereference on Grace hardware
[Fix]
* 1 clean cherry-pick from upstream
* 2 simple backports from upstream
* All commits are tagged as Fixes: 918eb5c856f6 ("iommu/arm-smmu-v3: Add
in-kernel support for NVIDIA Tegra241 (Grace) CMDQV"), which was introduced in
https://bugs.launchpad.net/bugs/2097573
[Test Plan]
* Compile tested
* Boot tested
* Tested on Grace Hopper hardware
[Regression potential]
* Regression risk low as patches are self-contained to
drivers/iommu/arm/arm-smmu-v3 and are upstream and tested
** Affects: linux-azure-nvidia (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-azure-nvidia (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux-azure-nvidia (Ubuntu Noble)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2100199
Title:
iommu NULL pointer dereference in tegra241_vintf_alloc_lvcmdq
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