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

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Date:   Wed, 16 Sep 2020 11:14:20 +0200
From:   Willy Tarreau <w@....eu>
To:     Pavel Machek <pavel@...x.de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>, jikos@...e.cz,
        vojtech@...e.cz, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, Yuan Ming <yuanmingbuaa@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 4.19 66/78] fbcon: remove soft scrollback code

Hi Pavel,

On Wed, Sep 16, 2020 at 11:07:23AM +0200, Pavel Machek wrote:
> I believe it will need to be reverted in Linus' tree, too. In fact,
> the patch seems to be a way for Linus to find a maintainer for the
> code, and I already stated I can do it. Patch is so new it was not
> even in -rc released by Linus.

I can honestly see how it can be missed from fbcon, but using vgacon
myself for cases like you described, I still benefit from the hw scroll
buffer which is OK.

> > See the email recently on oss-devel for one such reason why this was
> > removed...
> 
> Would you have a link for that?

Here it is:

  https://www.openwall.com/lists/oss-security/2020/09/15/2

Willy