Re: [PATCH v4] ACPI: Add acpi=nospcr to disable ACPI SPCR as default console on ARM64
From: Liu Wei
Date: Tue Jun 25 2024 - 23:08:15 EST
From: Prarit Bhargava <prarit@xxxxxxxxxx>
> On 6/24/24 23:05, Liu Wei wrote:
> > For varying privacy and security reasons, sometimes we would like to
> > completely silence the _serial_ console, and only enable it when needed.
> >
> > But there are many existing systems that depend on this _serial_ console,
> > so add acpi=nospcr to disable console in ACPI SPCR table as default
> > _serial_ console.
> >
> > Signed-off-by: Liu Wei <liuwei09@xxxxxxxx>
> > Suggested-by: Prarit Bhargava <prarit@xxxxxxxxxx>
> > Suggested-by: Will Deacon <will@xxxxxxxxxx>
> > Suggested-by: Andrew Lunn <andrew@xxxxxxx>
> > ---
> >
> > v2: Add a config option suggested by Prarit
> >
> > v3: Use cmdline acpi=nospcr instead of config
> >
> > v4: Some description in comment or document
> > ---
> > .../admin-guide/kernel-parameters.txt | 10 +++++++---
> > arch/arm64/kernel/acpi.c | 18 +++++++++++++++++-
> > 2 files changed, 24 insertions(+), 4 deletions(-)
> >
> > ...
> >
>
> This looks good to me. Sorry that this took so long Liu.
>
> Reviewed-by: Prarit Bhargava <prarit@xxxxxxxxxx>
>
Thanks, my pleasure.
Liu Wei
>
> P.