linux-kernel - Re: fbcon: remove soft scrollback code (missing Doc. patch)

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Message-ID: <CAHk-=wjRDiiqq558v-uqyzSbU2GCL0noxu8gjCW8J3NWXEJBLA@mail.gmail.com>
Date:   Mon, 14 Sep 2020 18:30:31 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Bhaskar Chowdhury <unixbhaskar@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Yuan Ming <yuanmingbuaa@...il.com>, Willy Tarreau <w@....eu>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        NopNop Nop <nopitydays@...il.com>,
        张云海 <zhangyunhai@...ocus.com>,
        Andy Lutomirski <luto@...capital.net>,
        Jonathan Corbet <corbet@....net>
Subject: Re: fbcon: remove soft scrollback code (missing Doc. patch)

On Mon, Sep 14, 2020 at 6:28 PM Bhaskar Chowdhury <unixbhaskar@...il.com> wrote:
>
> Documentation/admin-guide/kernel-parameters.txt:        no-scroll       [VGA] Disables scrollback.

So this one at least should be still valid.

But these:

> Documentation/fb/fbcon.rst:2. fbcon=scrollback:<value>[k]
> Documentation/fb/fbcon.rst:     The scrollback buffer is memory that is used to preserve display
> Documentation/fb/matroxfb.rst:   with 'video=scrollback:0'.
> Documentation/fb/sstfb.rst:  disable software scrollback, as it can oops badly ...
> Documentation/fb/vesafb.rst:            * You'll get scrollback (the Shift-PgUp thing),
> Documentation/fb/vesafb.rst:              the video memory can be used as scrollback buffer

now look stale.

            Linus