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[43.250.207.3]) by smtp.gmail.com with ESMTPSA id z7sm11642182pfj.75.2020.09.14.18.28.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Sep 2020 18:28:15 -0700 (PDT) Date: Tue, 15 Sep 2020 06:58:00 +0530 From: Bhaskar Chowdhury To: Randy Dunlap Cc: Linus Torvalds , LKML , "linux-doc@vger.kernel.org" , Greg Kroah-Hartman , Daniel Vetter , Yuan Ming , Willy Tarreau , Bartlomiej Zolnierkiewicz , NopNop Nop , =?utf-8?B?5byg5LqR5rW3?= , Andy Lutomirski , Jonathan Corbet Subject: Re: fbcon: remove soft scrollback code (missing Doc. patch) Message-ID: <20200915012800.GA17809@Gentoo> Mail-Followup-To: Bhaskar Chowdhury , Randy Dunlap , Linus Torvalds , LKML , "linux-doc@vger.kernel.org" , Greg Kroah-Hartman , Daniel Vetter , Yuan Ming , Willy Tarreau , Bartlomiej Zolnierkiewicz , NopNop Nop , =?utf-8?B?5byg5LqR5rW3?= , Andy Lutomirski , Jonathan Corbet References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="UlVJffcvxoiEqYs2" Content-Disposition: inline In-Reply-To: Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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/50145474f6ef4a9c19205b173d= a6264a644c7489 >> Author: Linus Torvalds >> AuthorDate: Mon Sep 7 11:45:27 2020 -0700 >> Committer: Linus Torvalds >> CommitDate: Mon Sep 14 10:06:15 2020 -0700 >>=20 >> fbcon: remove soft scrollback code >> =20 >> This (and the VGA soft scrollback) turns out to have various nasty s= mall >> special cases that nobody really is willing to fight. The soft >> scrollback code was really useful a few decades ago when you typical= ly >> 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/973c096f6a85e5b5f2a295126b= a6928d9a6afd45 >> Author: Linus Torvalds >> AuthorDate: Wed Sep 9 14:53:50 2020 -0700 >> Committer: Linus Torvalds >> CommitDate: Mon Sep 14 10:06:15 2020 -0700 >>=20 >> 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").= =2E. > > If you wont mind ...let me stab at it ... Documentation/admin-guide/kernel-parameters.txt: no-scroll [VG= A] Disables scrollback. Documentation/fb/fbcon.rst:2. fbcon=3Dscrollback:[k] Documentation/fb/fbcon.rst: The scrollback buffer is memory that is use= d to preserve display Documentation/fb/matroxfb.rst: with 'video=3Dscrollback:0'. Documentation/fb/sstfb.rst: disable software scrollback, as it can oops ba= dly ... Documentation/fb/vesafb.rst: * You'll get scrollback (the Shift-= PgUp thing), Documentation/fb/vesafb.rst: the video memory can be used as s= crollback buffer ~Bhaskar >--=20 >~Randy > --UlVJffcvxoiEqYs2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEnwF+nWawchZUPOuwsjqdtxFLKRUFAl9gGJ0ACgkQsjqdtxFL KRUEdQgAhnWb6T+ZbTLIvspMNo8l6hojODLn587MDgOxq5Bh9ml2v87x/07eGebq 08gV+HUqyMPcKKS/n/zmhFGYoA17Ik49Gl5U6YWkA6ZFfcLgBCAR/oFo89proSdF XDN4Ko01tXOri8CaYt4CQ/MQAcnJ7omSJMDimA9haECkcq9pbEf+1ycwcPeAxNRE Sas3qrTZNINkaS9iWbsBWvupwJJKg0gMtkjNBUuNUQyemXV/KXXZXOCqo8CYwRVg AvrLSgU3jkji4OOFMIk/393DZPhdDgKAnbsWLnCKQvmbrINqJl/N+C22wot1nDhL ihJqyPNCBpa1WmkrJLmz8Sm0lDuOvA== =XyrY -----END PGP SIGNATURE----- --UlVJffcvxoiEqYs2--