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

[Dimitri John Ledkov]

On Tue, 1 Nov 2022, 15:49 Tim Gardner, <tim.gardner at canonical.com> wrote:

> On 11/1/22 11:25, Cory Todd wrote:
> > 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
> >>
> >
> > Patches look good but format for the email subjects seem slightly off. I
> > was expecting something like this:
> >
> > [SRU][j/k:linux-aws][PATCH 0/1] ...
> > - [SRU][jammy:linux-aws][PATCH 1/1] ...
> > - [SRU][kinetic:linux-aws][PATCH 1/1] ...
> >
>
> Seriously ?
>
> --
> -----------
> Tim Gardner
> Canonical, Inc
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20221101/4fb640a6/attachment.html>