ACK: [SRU][K][PATCH 0/1] enable CONFIG_SERIAL_8250_MID=y

[Luke Nowakowski-Krijger]

Acked-by: Luke Nowakowski-Krijger <luke.nowakowskikrijger at canonical.com>

On Fri, Mar 10, 2023 at 10:37 AM Andrea Righi <andrea.righi at canonical.com>
wrote:

> BugLink: https://bugs.launchpad.net/bugs/2009283
>
> [Impact]
>
> CONFIG_SERIAL_8250_MID=y is required to properly use the serial console
> on some platforms that are using the "mid" serial driver (such as some
> Intel SoC platforms).
>
> The generic kernel should build this driver statically to make sure we
> properly support these platforms.
>
> [Test case]
>
> Boot the Ubuntu generic kernel on a system that is using the "mid"
> serial driver (e.g, no PCI serial).
>
> [Fix]
>
> Enable CONFIG_SERIAL_8250_MID=y.
>
> [Regression potential]
>
> Kernel footprint is increased a bit with this change (around +9K), so we
> may see little performance regressions at boot time in really small
> platforms (additional memory usage is probably negligible), but it is
> worth it, otherwise we won't be able to properly support these
> platforms.
>
> NOTE: we may want to disable this option in the could kernels and
> derivatives and keep it only for the generic.
>
> ----------------------------------------------------------------
> Andrea Righi (1):
>       UBUNTU: [Config] enable CONFIG_SERIAL_8250_MID=y
>
>  debian.master/config/annotations          | 5 ++++-
>  debian.master/config/config.common.ubuntu | 4 ++--
>  2 files changed, 6 insertions(+), 3 deletions(-)
>
>
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