From: Randy Dunlap <rdunlap@infradead.org>
To: "Bhaskar Chowdhury" <unixbhaskar@gmail.com>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Yuan Ming" <yuanmingbuaa@gmail.com>, "Willy Tarreau" <w@1wt.eu>,
"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
"NopNop Nop" <nopitydays@gmail.com>,
张云海 <zhangyunhai@nsfocus.com>,
"Andy Lutomirski" <luto@amacapital.net>,
"Jonathan Corbet" <corbet@lwn.net>
Subject: Re: fbcon: remove soft scrollback code (missing Doc. patch)
Date: Mon, 14 Sep 2020 18:34:25 -0700 [thread overview]
Message-ID: <ada6aecf-b98e-5249-5e68-7a4eaa947ce3@infradead.org> (raw)
In-Reply-To: <20200915012800.GA17809@Gentoo>
On 9/14/20 6:28 PM, Bhaskar Chowdhury wrote:
> On 18:18 Mon 14 Sep 2020, Randy Dunlap wrote:
>> HI--
>>
>> On 9/14/20 3:48 PM, Linux Kernel Mailing List wrote:
>>> Commit: 50145474f6ef4a9c19205b173da6264a644c7489
>>> Parent: 856deb866d16e29bd65952e0289066f6078af773
>>> Refname: refs/heads/master
>>> Web: https://git.kernel.org/torvalds/c/50145474f6ef4a9c19205b173da6264a644c7489
>>> Author: Linus Torvalds <torvalds@linux-foundation.org>
>>> AuthorDate: Mon Sep 7 11:45:27 2020 -0700
>>> Committer: Linus Torvalds <torvalds@linux-foundation.org>
>>> CommitDate: Mon Sep 14 10:06:15 2020 -0700
>>>
>>> fbcon: remove soft scrollback code
>>> This (and the VGA soft scrollback) turns out to have various nasty small
>>> special cases that nobody really is willing to fight. The soft
>>> scrollback code was really useful a few decades ago when you typically
>>> used the console interactively as the main way to interact with the
>>> machine, but that just isn't the case any more.
>>
>> and:
>>
>>> Commit: 973c096f6a85e5b5f2a295126ba6928d9a6afd45
>>> Parent: 06a0df4d1b8b13b551668e47b11fd7629033b7df
>>> Refname: refs/heads/master
>>> Web: https://git.kernel.org/torvalds/c/973c096f6a85e5b5f2a295126ba6928d9a6afd45
>>> Author: Linus Torvalds <torvalds@linux-foundation.org>
>>> AuthorDate: Wed Sep 9 14:53:50 2020 -0700
>>> Committer: Linus Torvalds <torvalds@linux-foundation.org>
>>> CommitDate: Mon Sep 14 10:06:15 2020 -0700
>>>
>>> vgacon: remove software scrollback support
>>
>>
>>
>> diffstats:
>>
>>> ---
>>> drivers/video/fbdev/core/fbcon.c | 334 +--------------------------------------
>>> 1 file changed, 4 insertions(+), 330 deletions(-)
>>
>>> arch/powerpc/configs/pasemi_defconfig | 1 -
>>> arch/powerpc/configs/ppc6xx_defconfig | 1 -
>>> arch/x86/configs/i386_defconfig | 1 -
>>> arch/x86/configs/x86_64_defconfig | 1 -
>>> drivers/video/console/Kconfig | 46 -------
>>> drivers/video/console/vgacon.c | 221 +---------------------------------
>>> 6 files changed, 1 insertion(+), 270 deletions(-)
>>
>>
>>
>>
>> Now someone can remove the documentation for scrollback (and "no-scroll")...
>>
>>
> If you wont mind ...let me stab at it ...
Sure, go for it. Thanks.
>
> Documentation/admin-guide/kernel-parameters.txt: no-scroll [VGA] Disables scrollback.
> 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
--
~Randy
next prev parent reply other threads:[~2020-09-15 1:34 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <git-mailbomb-linux-master-50145474f6ef4a9c19205b173da6264a644c7489@kernel.org>
2020-09-15 1:18 ` fbcon: remove soft scrollback code (missing Doc. patch) Randy Dunlap
2020-09-15 1:28 ` Bhaskar Chowdhury
2020-09-15 1:30 ` Linus Torvalds
2020-09-15 1:34 ` Randy Dunlap [this message]
2020-09-15 1:28 ` Linus Torvalds
2020-09-16 20:54 ` Pavel Machek
2020-09-18 10:27 ` Adam Borowski
2020-09-30 21:29 ` Maciej W. Rozycki
2021-01-08 19:01 ` Phillip Susi
2021-01-08 23:11 ` Linus Torvalds
2021-01-12 15:00 ` Phillip Susi
2021-01-12 16:11 ` Greg Kroah-Hartman
2021-01-12 15:57 ` Daniel Vetter
2021-01-14 15:56 ` Geert Uytterhoeven
2021-01-14 16:11 ` Daniel Vetter
2021-01-15 8:06 ` Geert Uytterhoeven
2021-02-03 8:03 ` Thomas Zimmermann
2021-01-22 18:55 ` Phillip Susi
2021-01-25 15:39 ` Geert Uytterhoeven
2021-02-02 14:18 ` Daniel Vetter
2021-02-02 15:13 ` Phillip Susi
2021-02-02 15:23 ` Daniel Vetter
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