Re: [PATCH 4.19 66/78] fbcon: remove soft scrollback code

Pavel Machek
2020-09-16T07:58:07Z

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Hi!

> From: Linus Torvalds <torvalds@linux-foundation.org>
>
> commit 50145474f6ef4a9c19205b173da6264a644c7489 upstream.
>
> 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.
>
> So it's not worth dragging along.

It is still useful.

In particular, kernel is now very verbose, so important messages
during bootup scroll away. It is way bigger deal when you can no
longer get to them using shift-pageup.

fsck is rather verbose, too, and there's no easy way to run that under
X terminal... and yes, that makes scrollback very useful, too.

So, I believe we'll need to fix this. I guess I could do it. I also
guess I'll not have to, because SuSE or RedHat will want to fix it.

Anyway, this really should not be merged into stable.

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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