ACK/cmnt: [PATCH 0/2][j/k linux-aws] Support non-strict iommu mode on arm64

[Cory Todd]

On Fri, Oct 28, 2022 at 09:36:03AM -0600, Tim Gardner wrote:
> BugLink: https://bugs.launchpad.net/bugs/1806488
> 
> [Impact]
> 
> For Ubuntu 20.04 and 22.04 ARM AMIs, a change was made in the default settings
> with the release of the 5.15 Kernel update that has caused a regression.
> Starting with 5.15, the IOMMU settings have been set to `CONFIG_IOMMU_DEFAULT_DMA_STRICT=y`.
> In previous versions, this setting was set to `CONFIG_IOMMU_DEFAULT_DMA_LAZY=y`.
> 
> [Test Case]
> 
> Amazon tested.
> 
> [Where things could go wrong]
> 
> This feature has been pretty well tested on arm64. Not setting LAZY was an oversight.
> 
> [Other Info]
> 
> SF: #00347225
> 

Acked-by: Cory Todd <cory.todd at canonical.com>

Changing my NAK to an ACK because the patch's intent is clear.

- corytodd
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