linux-kernel - Re: [PATCH] x86/efi: Remove references of EFI earlyprintk from documentation

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Message-ID: <CAMj1kXGHQm7yy2QPCEVRiXBzb8HWOHzKMCuoS+mbnBKujEXQnA@mail.gmail.com>
Date:   Tue, 5 Apr 2022 20:00:41 +0200
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Jonathan Corbet <corbet@....net>
Cc:     Akihiko Odaki <akihiko.odaki@...il.com>,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-efi@...r.kernel.org, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H . Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86/efi: Remove references of EFI earlyprintk from documentation

On Tue, 5 Apr 2022 at 18:26, Jonathan Corbet <corbet@....net> wrote:
>
> Akihiko Odaki <akihiko.odaki@...il.com> writes:
>
> > x86 EFI earlyprink was removed with commit 69c1f396f25b ("efi/x86:
> > Convert x86 EFI earlyprintk into generic earlycon implementation").
>
> So I will confess that I don't know this area well enough to know
> whether this patch makes sense or not.  To help with that, it would have
> been good to CC Ard, who is the author of the patch you cite above.
> Adding him now.
>
> Ard, do you agree with this change (preserved below)?
>

Yes, it looks fine to me.

Reviewed-by: Ard Biesheuvel <ardb@...nel.org>

>
> > Signed-off-by: Akihiko Odaki <akihiko.odaki@...il.com>
> > ---
> >  Documentation/admin-guide/kernel-parameters.txt | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> > index f5a27f067db9..fb39337f4123 100644
> > --- a/Documentation/admin-guide/kernel-parameters.txt
> > +++ b/Documentation/admin-guide/kernel-parameters.txt
> > @@ -1252,7 +1252,7 @@
> >                       Append ",keep" to not disable it when the real console
> >                       takes over.
> >
> > -                     Only one of vga, efi, serial, or usb debug port can
> > +                     Only one of vga, serial, or usb debug port can
> >                       be used at a time.
> >
> >                       Currently only ttyS0 and ttyS1 may be specified by
> > @@ -1267,7 +1267,7 @@
> >                       Interaction with the standard serial driver is not
> >                       very good.
> >
> > -                     The VGA and EFI output is eventually overwritten by
> > +                     The VGA output is eventually overwritten by
> >                       the real console.
> >
> >                       The xen option can only be used in Xen domains.
> > --
> > 2.35.1