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@xxxxxxxxxxxxxxxxxxxx> >>> AuthorDate: Mon Sep 7 11:45:27 2020 -0700 >>> Committer: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> >>> 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@xxxxxxxxxxxxxxxxxxxx> >>> AuthorDate: Wed Sep 9 14:53:50 2020 -0700 >>> Committer: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> >>> 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
