ACK: [SRU][PATCH v2 0/1][G/aws, F/aws, B/aws, X/aws] aws: properly

[Kamal Mostafa]

LGTM.

Acked-by: Kamal Mostafa <kamal at canonical.com>

 -Kamal

On Mon, Feb 01, 2021 at 03:29:04PM +0100, Andrea Righi wrote:
> BugLink: https://bugs.launchpad.net/bugs/1913739
> 
> [Impact]
> 
> To properly support instance types in AWS with > 255 cores we need to
> make sure that commit c40aaaac1018ff1382f2d35df5129a6bcea3df6b
> ("iommu/vt-d: Gracefully handle DMAR units with no supported address widths")
> is applied across all our linux-aws kernels.
> 
> [Test Case]
> 
> Tests performed by AWS.
> 
> [Fix]
> 
> Apply/backport commit c40aaaac1018ff1382f2d35df5129a6bcea3df6b.
> 
> [Regression potential]
> 
> The fix is affecting only intel IOMMU and it is an upstream fix, so the
> regression potential should be minimal.
> 
> Changes v1 -> v2:
>  - include patches for G/aws and X/aws
> 
> 
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