On Wed, Sep 16, 2020 at 09:57:59AM +0200, Pavel Machek wrote: > Hi! > > > From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > > > > 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. It's merged into the stable trees that _I_ have to maintain. If you want to revert it for trees you maintain and wish to keep secure, that's up to you. But it's something that I _STRONGLY_ do not advise doing. See the email recently on oss-devel for one such reason why this was removed... good luck! greg k-h